Import LLVM, at r72732.vendor/llvm/llvm-r72732

33 files changed, 5768 insertions, 0 deletions

diff --git a/bindings/Makefile b/bindings/Makefile
new file mode 100644
index 000000000000..c545b28854cc
--- /dev/null
+++ b/bindings/Makefile
@@ -0,0 +1,16 @@
+##===- bindings/Makefile -----------------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ..
+
+include $(LEVEL)/Makefile.config
+
+PARALLEL_DIRS = $(BINDINGS_TO_BUILD)
+
+include $(LEVEL)/Makefile.common
diff --git a/bindings/README.txt b/bindings/README.txt
new file mode 100644
index 000000000000..7693cb2cead0
--- /dev/null
+++ b/bindings/README.txt
@@ -0,0 +1,3 @@
+This directory contains bindings for the LLVM compiler infrastructure to allow
+programs written in languages other than C or C++ to take advantage of the LLVM
+infrastructure--for instance, a self-hosted compiler front-end.
diff --git a/bindings/ocaml/Makefile b/bindings/ocaml/Makefile
new file mode 100644
index 000000000000..a89caefb4ded
--- /dev/null
+++ b/bindings/ocaml/Makefile
@@ -0,0 +1,19 @@
+##===- bindings/ocaml/Makefile -----------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../..
+DIRS = llvm bitreader bitwriter analysis target executionengine transforms
+ExtraMakefiles = $(PROJ_OBJ_DIR)/Makefile.ocaml
+
+ocamldoc:
+	$(Verb) for i in $(DIRS) ; do \
+		$(MAKE) -C $$i ocamldoc; \
+	done
+
+include $(LEVEL)/Makefile.common
diff --git a/bindings/ocaml/Makefile.ocaml b/bindings/ocaml/Makefile.ocaml
new file mode 100644
index 000000000000..d98a489f7c42
--- /dev/null
+++ b/bindings/ocaml/Makefile.ocaml
@@ -0,0 +1,338 @@
+##===- tools/ml/Makefile -----------------------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# An ocaml library is a unique project type in the context of LLVM, so rules are
+# here rather than in Makefile.rules.
+# 
+# Reference materials on installing ocaml libraries:
+# 
+#   https://fedoraproject.org/wiki/Packaging/OCaml
+#   http://pkg-ocaml-maint.alioth.debian.org/ocaml_packaging_policy.txt
+# 
+##===----------------------------------------------------------------------===##
+
+include $(LEVEL)/Makefile.config
+
+# CFLAGS needs to be set before Makefile.rules is included.
+CXX.Flags += -I"$(shell $(OCAMLC) -where)"
+C.Flags += -I"$(shell $(OCAMLC) -where)"
+
+include $(LEVEL)/Makefile.common
+
+# Intentionally ignore PROJ_prefix here. We want the ocaml stdlib. However, the
+# user can override this with OCAML_LIBDIR or configure --with-ocaml-libdir=.
+PROJ_libocamldir := $(DESTDIR)$(OCAML_LIBDIR)
+OcamlDir := $(LibDir)/ocaml
+
+# Info from llvm-config and similar
+ifdef UsedComponents
+UsedLibs = $(shell $(LLVM_CONFIG) --libs $(UsedComponents))
+UsedLibNames = $(shell $(LLVM_CONFIG) --libnames $(UsedComponents))
+endif
+
+# Tools
+OCAMLCFLAGS += -I $(ObjDir) -I $(OcamlDir)
+ifneq ($(ObjectsO),)
+OCAMLAFLAGS += $(patsubst %,-cclib %, \
+                 $(filter-out -L$(LibDir),-l$(LIBRARYNAME) \
+                                          $(shell $(LLVM_CONFIG) --ldflags)) \
+                                          $(UsedLibs))
+else
+OCAMLAFLAGS += $(patsubst %,-cclib %, \
+                 $(filter-out -L$(LibDir),$(shell $(LLVM_CONFIG) --ldflags)) \
+                                          $(UsedLibs))
+endif
+ 
+# -g was introduced in 3.10.0.
+#ifneq ($(ENABLE_OPTIMIZED),1)
+#  OCAMLDEBUGFLAG := -g
+#endif
+
+Compile.CMI  := $(strip $(OCAMLC) -c $(OCAMLCFLAGS) $(OCAMLDEBUGFLAG) -o)
+Compile.CMO  := $(strip $(OCAMLC) -c $(OCAMLCFLAGS) $(OCAMLDEBUGFLAG) -o)
+Archive.CMA  := $(strip $(OCAMLC) -a -custom $(OCAMLAFLAGS) $(OCAMLDEBUGFLAG) \
+                                  -o)
+
+Compile.CMX  := $(strip $(OCAMLOPT) -c $(OCAMLCFLAGS) $(OCAMLDEBUGFLAG) -o)
+Archive.CMXA := $(strip $(OCAMLOPT) -a $(OCAMLAFLAGS) $(OCAMLDEBUGFLAG) -o)
+
+# Source files
+OcamlSources1 := $(sort $(wildcard $(PROJ_SRC_DIR)/*.ml))
+OcamlHeaders1 := $(OcamlSources1:.ml=.mli)
+
+OcamlSources := $(OcamlSources1:$(PROJ_SRC_DIR)/%=$(ObjDir)/%)
+OcamlHeaders := $(OcamlHeaders1:$(PROJ_SRC_DIR)/%=$(ObjDir)/%)
+
+# Intermediate files
+LibraryCMA   := $(ObjDir)/$(LIBRARYNAME).cma
+LibraryCMXA  := $(ObjDir)/$(LIBRARYNAME).cmxa
+ObjectsCMI   := $(OcamlSources:%.ml=%.cmi)
+ObjectsCMO   := $(OcamlSources:%.ml=%.cmo)
+ObjectsCMX   := $(OcamlSources:%.ml=%.cmx)
+
+# Output files
+#   The .cmo files are the only intermediates; all others are to be installed.
+LibraryA   := $(OcamlDir)/lib$(LIBRARYNAME).a
+OutputCMA  := $(LibraryCMA:$(ObjDir)/%.cma=$(OcamlDir)/%.cma)
+OutputCMXA := $(LibraryCMXA:$(ObjDir)/%.cmxa=$(OcamlDir)/%.cmxa)
+OutputsCMI := $(ObjectsCMI:$(ObjDir)/%.cmi=$(OcamlDir)/%.cmi)
+OutputsCMX := $(ObjectsCMX:$(ObjDir)/%.cmx=$(OcamlDir)/%.cmx)
+OutputLibs := $(UsedLibNames:%=$(OcamlDir)/%)
+
+# Installation targets
+DestA    := $(PROJ_libocamldir)/lib$(LIBRARYNAME).a
+DestCMA  := $(PROJ_libocamldir)/$(LIBRARYNAME).cma
+DestCMXA := $(PROJ_libocamldir)/$(LIBRARYNAME).cmxa
+DestLibs := $(UsedLibNames:%=$(PROJ_libocamldir)/%)
+
+
+##===- Dependencies -------------------------------------------------------===##
+# Copy the sources into the intermediate directory because older ocamlc doesn't
+# support -o except when linking (outputs are placed next to inputs).
+
+$(ObjDir)/%.mli: $(PROJ_SRC_DIR)/%.mli $(ObjDir)/.dir
+	$(Verb) $(CP) -f $< $@
+
+$(ObjDir)/%.ml: $(PROJ_SRC_DIR)/%.ml $(ObjDir)/.dir
+	$(Verb) $(CP) -f $< $@
+
+$(ObjDir)/$(LIBRARYNAME).ocamldep: $(OcamlSources) $(OcamlHeaders) \
+                                   $(OcamlDir)/.dir $(ObjDir)/.dir
+	$(Verb) $(OCAMLDEP) $(OCAMLCFLAGS) $(OcamlSources) $(OcamlHeaders) > $@
+
+$(ObjectsCMI): $(UsedOcamlInterfaces:%=$(OcamlDir)/%.cmi)
+
+-include $(ObjDir)/$(LIBRARYNAME).ocamldep
+
+
+##===- Build static library from C sources --------------------------------===##
+
+ifneq ($(ObjectsO),)
+all-local:: $(LibraryA)
+clean-local:: clean-a
+install-local:: install-a
+uninstall-local:: uninstall-a
+
+$(LibraryA): $(ObjectsO) $(OcamlDir)/.dir
+	$(Echo) "Building $(BuildMode) $(notdir $@)"
+	-$(Verb) $(RM) -f $@
+	$(Verb) $(Archive) $@ $(ObjectsO)
+	$(Verb) $(Ranlib) $@
+
+clean-a::
+	-$(Verb) $(RM) -f $(LibraryA)
+
+install-a:: $(LibraryA)
+	$(Echo) "Installing $(BuildMode) $(DestA)"
+	$(Verb) $(MKDIR) $(PROJ_libocamldir)
+	$(Verb) $(INSTALL) $(LibraryA) $(DestA)
+	$(Verb) 
+
+uninstall-a::
+	$(Echo) "Uninstalling $(DestA)"
+	-$(Verb) $(RM) -f $(DestA)
+endif
+
+
+##===- Deposit dependent libraries adjacent to Ocaml libs -----------------===##
+
+all-local:: build-deplibs
+clean-local:: clean-deplibs
+install-local:: install-deplibs
+uninstall-local:: uninstall-deplibs
+
+build-deplibs: $(OutputLibs)
+
+$(OcamlDir)/%.a: $(LibDir)/%.a
+	$(Verb) ln -sf $< $@
+
+$(OcamlDir)/%.o: $(LibDir)/%.o
+	$(Verb) ln -sf $< $@
+
+clean-deplibs:
+	$(Verb) rm -f $(OutputLibs)
+
+install-deplibs:
+	$(Verb) for i in $(DestLibs:$(PROJ_libocamldir)/%=%); do \
+	  ln -sf "$(PROJ_libdir)/$$i" "$(PROJ_libocamldir)/$$i"; \
+	done
+
+uninstall-deplibs:
+	$(Verb) rm -f $(DestLibs)
+
+
+##===- Build ocaml interfaces (.mli's -> .cmi's) --------------------------===##
+
+all-local:: build-cmis
+clean-local:: clean-cmis
+install-local:: install-cmis
+uninstall-local:: uninstall-cmis
+
+build-cmis: $(OutputsCMI)
+
+$(OcamlDir)/%.cmi: $(ObjDir)/%.cmi $(OcamlDir)/.dir
+	$(Verb) $(CP) -f $< $@
+
+$(ObjDir)/%.cmi: $(ObjDir)/%.mli $(ObjDir)/.dir
+	$(Echo) "Compiling $(notdir $<) for $(BuildMode) build"
+	$(Verb) $(Compile.CMI) $@ $<
+
+clean-cmis::
+	-$(Verb) $(RM) -f $(OutputsCMI)
+
+# Also install the .mli's (headers) as documentation.
+install-cmis: $(OutputsCMI) $(OcamlHeaders)
+	$(Verb) $(MKDIR) $(PROJ_libocamldir)
+	$(Verb) for i in $(OutputsCMI:$(OcamlDir)/%=%); do \
+	  $(EchoCmd) "Installing $(BuildMode) $(PROJ_libocamldir)/$$i"; \
+	  $(DataInstall) $(OcamlDir)/$$i "$(PROJ_libocamldir)/$$i"; \
+	done
+	$(Verb) for i in $(OcamlHeaders:$(ObjDir)/%=%); do \
+	  $(EchoCmd) "Installing $(BuildMode) $(PROJ_libocamldir)/$$i"; \
+	  $(DataInstall) $(ObjDir)/$$i "$(PROJ_libocamldir)/$$i"; \
+	done
+
+uninstall-cmis::
+	$(Verb) for i in $(OutputsCMI:$(OcamlDir)/%=%); do \
+	  $(EchoCmd) "Uninstalling $(PROJ_libocamldir)/$$i"; \
+	  $(RM) -f "$(PROJ_libocamldir)/$$i"; \
+	done
+	$(Verb) for i in $(OcamlHeaders:$(ObjDir)/%=%); do \
+	  $(EchoCmd) "Uninstalling $(PROJ_libocamldir)/$$i"; \
+	  $(RM) -f "$(PROJ_libocamldir)/$$i"; \
+	done
+
+
+##===- Build ocaml bytecode archive (.ml's -> .cmo's -> .cma) -------------===##
+
+all-local:: $(OutputCMA)
+clean-local:: clean-cma
+install-local:: install-cma
+uninstall-local:: uninstall-cma
+
+$(OutputCMA): $(LibraryCMA) $(OcamlDir)/.dir
+	$(Verb) $(CP) -f $< $@
+
+$(LibraryCMA): $(ObjectsCMO) $(OcamlDir)/.dir
+	$(Echo) "Archiving $(notdir $@) for $(BuildMode) build"
+	$(Verb) $(Archive.CMA) $@ $(ObjectsCMO)
+
+$(ObjDir)/%.cmo: $(ObjDir)/%.ml
+	$(Echo) "Compiling $(notdir $<) for $(BuildMode) build"
+	$(Verb) $(Compile.CMO) $@ $<
+
+clean-cma::
+	$(Verb) $(RM) -f $(OutputCMA) $(UsedLibNames:%=$(OcamlDir)/%)
+
+install-cma:: $(OutputCMA)
+	$(Echo) "Installing $(BuildMode) $(DestCMA)"
+	$(Verb) $(MKDIR) $(PROJ_libocamldir)
+	$(Verb) $(DataInstall) $(OutputCMA) "$(DestCMA)"
+
+uninstall-cma::
+	$(Echo) "Uninstalling $(DestCMA)"
+	-$(Verb) $(RM) -f $(DestCMA)
+
+
+##===- Build optimized ocaml archive (.ml's -> .cmx's -> .cmxa, .a) -------===##
+
+# The ocamlopt compiler is supported on a set of targets disjoint from LLVM's.
+# If unavailable, 'configure' will not define OCAMLOPT in Makefile.config.
+ifdef OCAMLOPT
+
+all-local:: $(OutputCMXA) $(OutputsCMX)
+clean-local:: clean-cmxa
+install-local:: install-cmxa
+uninstall-local:: uninstall-cmxa
+
+$(OutputCMXA): $(LibraryCMXA)
+	$(Verb) $(CP) -f $< $@
+	$(Verb) $(CP) -f $(<:.cmxa=.a) $(@:.cmxa=.a)
+
+$(OcamlDir)/%.cmx: $(ObjDir)/%.cmx
+	$(Verb) $(CP) -f $< $@
+
+$(LibraryCMXA): $(ObjectsCMX)
+	$(Echo) "Archiving $(notdir $@) for $(BuildMode) build"
+	$(Verb) $(Archive.CMXA) $@ $(ObjectsCMX)
+	$(Verb) $(RM) -f $(@:.cmxa=.o)
+
+$(ObjDir)/%.cmx: $(ObjDir)/%.ml
+	$(Echo) "Compiling optimized $(notdir $<) for $(BuildMode) build"
+	$(Verb) $(Compile.CMX) $@ $<
+
+clean-cmxa::
+	$(Verb) $(RM) -f $(OutputCMXA) $(OutputCMXA:.cmxa=.a) $(OutputsCMX)
+
+install-cmxa:: $(OutputCMXA) $(OutputsCMX)
+	$(Verb) $(MKDIR) $(PROJ_libocamldir)
+	$(Echo) "Installing $(BuildMode) $(DestCMXA)"
+	$(Verb) $(DataInstall) $(OutputCMXA) $(DestCMXA)
+	$(Echo) "Installing $(BuildMode) $(DestCMXA:.cmxa=.a)"
+	$(Verb) $(DataInstall) $(OutputCMXA:.cmxa=.a) $(DestCMXA:.cmxa=.a)
+	$(Verb) for i in $(OutputsCMX:$(OcamlDir)/%=%); do \
+	  $(EchoCmd) "Installing $(BuildMode) $(PROJ_libocamldir)/$$i"; \
+	  $(DataInstall) $(OcamlDir)/$$i "$(PROJ_libocamldir)/$$i"; \
+	done
+
+uninstall-cmxa::
+	$(Echo) "Uninstalling $(DestCMXA)"
+	$(Verb) $(RM) -f $(DestCMXA)
+	$(Echo) "Uninstalling $(DestCMXA:.cmxa=.a)"
+	$(Verb) $(RM) -f $(DestCMXA:.cmxa=.a)
+	$(Verb) for i in $(OutputsCMX:$(OcamlDir)/%=%); do \
+	  $(EchoCmd) "Uninstalling $(PROJ_libocamldir)/$$i"; \
+	  $(RM) -f $(PROJ_libocamldir)/$$i; \
+	done
+
+endif
+
+##===- Generate documentation ---------------------------------------------===##
+
+$(ObjDir)/$(LIBRARYNAME).odoc: $(ObjectsCMI)
+	$(Echo) "Documenting $(notdir $@)"
+	$(Verb) $(OCAMLDOC) -I $(ObjDir) -I $(OcamlDir) -dump $@ $(OcamlHeaders)
+
+ocamldoc: $(ObjDir)/$(LIBRARYNAME).odoc
+
+##===- Debugging gunk -----------------------------------------------------===##
+printvars:: printcamlvars
+
+printcamlvars::
+	$(Echo) "LLVM_CONFIG  : " '$(LLVM_CONFIG)'
+	$(Echo) "OCAMLCFLAGS  : " '$(OCAMLCFLAGS)'
+	$(Echo) "OCAMLAFLAGS  : " '$(OCAMLAFLAGS)'
+	$(Echo) "OCAMLC       : " '$(OCAMLC)'
+	$(Echo) "OCAMLOPT     : " '$(OCAMLOPT)'
+	$(Echo) "OCAMLDEP     : " '$(OCAMLDEP)'
+	$(Echo) "Compile.CMI  : " '$(Compile.CMI)'
+	$(Echo) "Compile.CMO  : " '$(Compile.CMO)'
+	$(Echo) "Archive.CMA  : " '$(Archive.CMA)'
+	$(Echo) "Compile.CMX  : " '$(Compile.CMX)'
+	$(Echo) "Archive.CMXA : " '$(Archive.CMXA)'
+	$(Echo) "CAML_LIBDIR  : " '$(CAML_LIBDIR)'
+	$(Echo) "LibraryCMA   : " '$(LibraryCMA)'
+	$(Echo) "LibraryCMXA  : " '$(LibraryCMXA)'
+	$(Echo) "OcamlSources1: " '$(OcamlSources1)'
+	$(Echo) "OcamlSources : " '$(OcamlSources)'
+	$(Echo) "OcamlHeaders : " '$(OcamlHeaders)'
+	$(Echo) "ObjectsCMI   : " '$(ObjectsCMI)'
+	$(Echo) "ObjectsCMO   : " '$(ObjectsCMO)'
+	$(Echo) "ObjectsCMX   : " '$(ObjectsCMX)'
+	$(Echo) "OCAML_LIBDIR : " '$(OCAML_LIBDIR)'
+	$(Echo) "DestA        : " '$(DestA)'
+	$(Echo) "DestCMA      : " '$(DestCMA)'
+	$(Echo) "DestCMXA     : " '$(DestCMXA)'
+	$(Echo) "UsedLibs     : " '$(UsedLibs)'
+	$(Echo) "UsedLibNames : " '$(UsedLibNames)'
+
+.PHONY: printcamlvars   build-cmis \
+            clean-a     clean-cmis     clean-cma     clean-cmxa \
+          install-a   install-cmis   install-cma   install-cmxa \
+		uninstall-a uninstall-cmis uninstall-cma uninstall-cmxa
diff --git a/bindings/ocaml/analysis/Makefile b/bindings/ocaml/analysis/Makefile
new file mode 100644
index 000000000000..0e95ecd678d5
--- /dev/null
+++ b/bindings/ocaml/analysis/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/analysis/Makefile --------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# This is the makefile for the Objective Caml Llvm_analysis interface.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm_analysis
+DONT_BUILD_RELINKED := 1
+UsedComponents := analysis
+UsedOcamlInterfaces := llvm
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/analysis/analysis_ocaml.c b/bindings/ocaml/analysis/analysis_ocaml.c
new file mode 100644
index 000000000000..97167055f70e
--- /dev/null
+++ b/bindings/ocaml/analysis/analysis_ocaml.c
@@ -0,0 +1,72 @@
+/*===-- analysis_ocaml.c - LLVM Ocaml Glue ----------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/Analysis.h"
+#include "caml/alloc.h"
+#include "caml/mlvalues.h"
+#include "caml/memory.h"
+
+
+/* Llvm.llmodule -> string option */
+CAMLprim value llvm_verify_module(LLVMModuleRef M) {
+  CAMLparam0();
+  CAMLlocal2(String, Option);
+  
+  char *Message;
+  int Result = LLVMVerifyModule(M, LLVMReturnStatusAction, &Message);
+  
+  if (0 == Result) {
+    Option = Val_int(0);
+  } else {
+    Option = alloc(1, 0);
+    String = copy_string(Message);
+    Store_field(Option, 0, String);
+  }
+  
+  LLVMDisposeMessage(Message);
+  
+  CAMLreturn(Option);
+}
+
+/* Llvm.llvalue -> bool */
+CAMLprim value llvm_verify_function(LLVMValueRef Fn) {
+  return Val_bool(LLVMVerifyFunction(Fn, LLVMReturnStatusAction) == 0);
+}
+
+/* Llvm.llmodule -> unit */
+CAMLprim value llvm_assert_valid_module(LLVMModuleRef M) {
+  LLVMVerifyModule(M, LLVMAbortProcessAction, 0);
+  return Val_unit;
+}
+
+/* Llvm.llvalue -> unit */
+CAMLprim value llvm_assert_valid_function(LLVMValueRef Fn) {
+  LLVMVerifyFunction(Fn, LLVMAbortProcessAction);
+  return Val_unit;
+}
+
+/* Llvm.llvalue -> unit */
+CAMLprim value llvm_view_function_cfg(LLVMValueRef Fn) {
+  LLVMViewFunctionCFG(Fn);
+  return Val_unit;
+}
+
+/* Llvm.llvalue -> unit */
+CAMLprim value llvm_view_function_cfg_only(LLVMValueRef Fn) {
+  LLVMViewFunctionCFGOnly(Fn);
+  return Val_unit;
+}
diff --git a/bindings/ocaml/analysis/llvm_analysis.ml b/bindings/ocaml/analysis/llvm_analysis.ml
new file mode 100644
index 000000000000..fc4d20370747
--- /dev/null
+++ b/bindings/ocaml/analysis/llvm_analysis.ml
@@ -0,0 +1,22 @@
+(*===-- llvm_analysis.ml - LLVM Ocaml Interface -----------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+
+external verify_module : Llvm.llmodule -> string option = "llvm_verify_module"
+
+external verify_function : Llvm.llvalue -> bool = "llvm_verify_function"
+
+external assert_valid_module : Llvm.llmodule -> unit
+                             = "llvm_assert_valid_module"
+
+external assert_valid_function : Llvm.llvalue -> unit
+                               = "llvm_assert_valid_function"
+external view_function_cfg : Llvm.llvalue -> unit = "llvm_view_function_cfg"
+external view_function_cfg_only : Llvm.llvalue -> unit
+                                = "llvm_view_function_cfg_only"
diff --git a/bindings/ocaml/analysis/llvm_analysis.mli b/bindings/ocaml/analysis/llvm_analysis.mli
new file mode 100644
index 000000000000..793f482e3c6c
--- /dev/null
+++ b/bindings/ocaml/analysis/llvm_analysis.mli
@@ -0,0 +1,46 @@
+(*===-- llvm_analysis.mli - LLVM Ocaml Interface ----------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Intermediate representation analysis.
+
+    This interface provides an ocaml API for LLVM IR analyses, the classes in
+    the Analysis library. *)
+
+(** [verify_module m] returns [None] if the module [m] is valid, and
+    [Some reason] if it is invalid. [reason] is a string containing a
+    human-readable validation report. See [llvm::verifyModule]. *)
+external verify_module : Llvm.llmodule -> string option = "llvm_verify_module"
+
+(** [verify_function f] returns [None] if the function [f] is valid, and
+    [Some reason] if it is invalid. [reason] is a string containing a
+    human-readable validation report. See [llvm::verifyFunction]. *)
+external verify_function : Llvm.llvalue -> bool = "llvm_verify_function"
+
+(** [verify_module m] returns if the module [m] is valid, but prints a
+    validation report to [stderr] and aborts the program if it is invalid. See
+    [llvm::verifyModule]. *)
+external assert_valid_module : Llvm.llmodule -> unit
+                             = "llvm_assert_valid_module"
+
+(** [verify_function f] returns if the function [f] is valid, but prints a
+    validation report to [stderr] and aborts the program if it is invalid. See
+    [llvm::verifyFunction]. *)
+external assert_valid_function : Llvm.llvalue -> unit
+                               = "llvm_assert_valid_function"
+
+(** [view_function_cfg f] opens up a ghostscript window displaying the CFG of
+    the current function with the code for each basic block inside.
+    See [llvm::Function::viewCFG]. *)
+external view_function_cfg : Llvm.llvalue -> unit = "llvm_view_function_cfg"
+
+(** [view_function_cfg_only f] works just like [view_function_cfg], but does not
+    include the contents of basic blocks into the nodes.
+    See [llvm::Function::viewCFGOnly]. *)
+external view_function_cfg_only : Llvm.llvalue -> unit
+                                = "llvm_view_function_cfg_only"
diff --git a/bindings/ocaml/bitreader/Makefile b/bindings/ocaml/bitreader/Makefile
new file mode 100644
index 000000000000..6a11cc60da59
--- /dev/null
+++ b/bindings/ocaml/bitreader/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/bitreader/Makefile -------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# This is the makefile for the Objective Caml Llvm_bitreader interface.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm_bitreader
+DONT_BUILD_RELINKED := 1
+UsedComponents := bitreader
+UsedOcamlInterfaces := llvm
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/bitreader/bitreader_ocaml.c b/bindings/ocaml/bitreader/bitreader_ocaml.c
new file mode 100644
index 000000000000..0fd484f12343
--- /dev/null
+++ b/bindings/ocaml/bitreader/bitreader_ocaml.c
@@ -0,0 +1,72 @@
+/*===-- bitwriter_ocaml.c - LLVM Ocaml Glue ---------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/BitReader.h"
+#include "caml/alloc.h"
+#include "caml/fail.h"
+#include "caml/memory.h"
+
+
+/* Can't use the recommended caml_named_value mechanism for backwards
+   compatibility reasons. This is largely equivalent. */
+static value llvm_bitreader_error_exn;
+
+CAMLprim value llvm_register_bitreader_exns(value Error) {
+  llvm_bitreader_error_exn = Field(Error, 0);
+  register_global_root(&llvm_bitreader_error_exn);
+  return Val_unit;
+}
+
+static void llvm_raise(value Prototype, char *Message) {
+  CAMLparam1(Prototype);
+  CAMLlocal1(CamlMessage);
+  
+  CamlMessage = copy_string(Message);
+  LLVMDisposeMessage(Message);
+  
+  raise_with_arg(Prototype, CamlMessage);
+  abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
+}
+
+
+/*===-- Modules -----------------------------------------------------------===*/
+
+/* Llvm.llmemorybuffer -> Llvm.module */
+CAMLprim value llvm_get_module_provider(LLVMMemoryBufferRef MemBuf) {
+  CAMLparam0();
+  CAMLlocal2(Variant, MessageVal);
+  char *Message;
+  
+  LLVMModuleProviderRef MP;
+  if (LLVMGetBitcodeModuleProvider(MemBuf, &MP, &Message))
+    llvm_raise(llvm_bitreader_error_exn, Message);
+  
+  CAMLreturn((value) MemBuf);
+}
+
+/* Llvm.llmemorybuffer -> Llvm.llmodule */
+CAMLprim value llvm_parse_bitcode(LLVMMemoryBufferRef MemBuf) {
+  CAMLparam0();
+  CAMLlocal2(Variant, MessageVal);
+  LLVMModuleRef M;
+  char *Message;
+  
+  if (LLVMParseBitcode(MemBuf, &M, &Message))
+    llvm_raise(llvm_bitreader_error_exn, Message);
+  
+  CAMLreturn((value) M);
+}
diff --git a/bindings/ocaml/bitreader/llvm_bitreader.ml b/bindings/ocaml/bitreader/llvm_bitreader.ml
new file mode 100644
index 000000000000..816e1565526c
--- /dev/null
+++ b/bindings/ocaml/bitreader/llvm_bitreader.ml
@@ -0,0 +1,19 @@
+(*===-- llvm_bitreader.ml - LLVM Ocaml Interface ----------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+
+exception Error of string
+
+external register_exns : exn -> unit = "llvm_register_bitreader_exns"
+let _ = register_exns (Error "")
+
+external get_module_provider : Llvm.llmemorybuffer -> Llvm.llmoduleprovider
+                             = "llvm_get_module_provider"
+external parse_bitcode : Llvm.llmemorybuffer -> Llvm.llmodule
+                       = "llvm_parse_bitcode"
diff --git a/bindings/ocaml/bitreader/llvm_bitreader.mli b/bindings/ocaml/bitreader/llvm_bitreader.mli
new file mode 100644
index 000000000000..15b389bb83c7
--- /dev/null
+++ b/bindings/ocaml/bitreader/llvm_bitreader.mli
@@ -0,0 +1,29 @@
+(*===-- llvm_bitreader.mli - LLVM Ocaml Interface ---------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Bitcode reader.
+
+    This interface provides an ocaml API for the LLVM bitcode reader, the
+    classes in the Bitreader library. *)
+
+exception Error of string
+
+(** [read_bitcode_file path] reads the bitcode for a new module [m] from the
+    file at [path]. Returns [Success m] if successful, and [Failure msg]
+    otherwise, where [msg] is a description of the error encountered.
+    See the function [llvm::getBitcodeModuleProvider]. *)
+external get_module_provider : Llvm.llmemorybuffer -> Llvm.llmoduleprovider
+                             = "llvm_get_module_provider"
+
+(** [parse_bitcode mb] parses the bitcode for a new module [m] from the memory
+    buffer [mb]. Returns [Success m] if successful, and [Failure msg] otherwise,
+    where [msg] is a description of the error encountered.
+    See the function [llvm::ParseBitcodeFile]. *)
+external parse_bitcode : Llvm.llmemorybuffer -> Llvm.llmodule
+                       = "llvm_parse_bitcode"
diff --git a/bindings/ocaml/bitwriter/Makefile b/bindings/ocaml/bitwriter/Makefile
new file mode 100644
index 000000000000..e57e3fe52cf2
--- /dev/null
+++ b/bindings/ocaml/bitwriter/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/bitwriter/Makefile -------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# This is the makefile for the Objective Caml Llvm_bitwriter interface.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm_bitwriter
+DONT_BUILD_RELINKED := 1
+UsedComponents := bitwriter
+UsedOcamlInterfaces := llvm
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/bitwriter/bitwriter_ocaml.c b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
new file mode 100644
index 000000000000..41aca259ca7e
--- /dev/null
+++ b/bindings/ocaml/bitwriter/bitwriter_ocaml.c
@@ -0,0 +1,30 @@
+/*===-- bitwriter_ocaml.c - LLVM Ocaml Glue ---------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/BitWriter.h"
+#include "llvm-c/Core.h"
+#include "caml/alloc.h"
+#include "caml/mlvalues.h"
+#include "caml/memory.h"
+
+/*===-- Modules -----------------------------------------------------------===*/
+
+/* Llvm.llmodule -> string -> bool */
+CAMLprim value llvm_write_bitcode_file(value M, value Path) {
+  int res = LLVMWriteBitcodeToFile((LLVMModuleRef) M, String_val(Path));
+  return Val_bool(res == 0);
+}
diff --git a/bindings/ocaml/bitwriter/llvm_bitwriter.ml b/bindings/ocaml/bitwriter/llvm_bitwriter.ml
new file mode 100644
index 000000000000..7b45c53dbf82
--- /dev/null
+++ b/bindings/ocaml/bitwriter/llvm_bitwriter.ml
@@ -0,0 +1,18 @@
+(*===-- llvm_bitwriter.ml - LLVM Ocaml Interface ----------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===
+ *
+ * This interface provides an ocaml API for the LLVM intermediate
+ * representation, the classes in the VMCore library.
+ *
+ *===----------------------------------------------------------------------===*)
+
+
+(* Writes the bitcode for module the given path. Returns true if successful. *)
+external write_bitcode_file : Llvm.llmodule -> string -> bool
+                            = "llvm_write_bitcode_file"
diff --git a/bindings/ocaml/bitwriter/llvm_bitwriter.mli b/bindings/ocaml/bitwriter/llvm_bitwriter.mli
new file mode 100644
index 000000000000..2f782a1d9f6c
--- /dev/null
+++ b/bindings/ocaml/bitwriter/llvm_bitwriter.mli
@@ -0,0 +1,18 @@
+(*===-- llvm_bitwriter.mli - LLVM Ocaml Interface ---------------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Bitcode writer.
+
+    This interface provides an ocaml API for the LLVM bitcode writer, the
+    classes in the Bitwriter library. *)
+
+(** [write_bitcode_file m path] writes the bitcode for module [m] to the file at
+    [path]. Returns [true] if successful, [false] otherwise. *)
+external write_bitcode_file : Llvm.llmodule -> string -> bool
+                            = "llvm_write_bitcode_file"
diff --git a/bindings/ocaml/executionengine/Makefile b/bindings/ocaml/executionengine/Makefile
new file mode 100644
index 000000000000..40fb98e1914a
--- /dev/null
+++ b/bindings/ocaml/executionengine/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/executionengine/Makefile --------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# This is the makefile for the Objective Caml Llvm_executionengine interface.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm_executionengine
+DONT_BUILD_RELINKED := 1
+UsedComponents := executionengine jit interpreter native
+UsedOcamlInterfaces := llvm llvm_target
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/executionengine/executionengine_ocaml.c b/bindings/ocaml/executionengine/executionengine_ocaml.c
new file mode 100644
index 000000000000..ec403380ef44
--- /dev/null
+++ b/bindings/ocaml/executionengine/executionengine_ocaml.c
@@ -0,0 +1,323 @@
+/*===-- executionengine_ocaml.c - LLVM Ocaml Glue ---------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/ExecutionEngine.h"
+#include "caml/alloc.h"
+#include "caml/custom.h"
+#include "caml/fail.h"
+#include "caml/memory.h"
+#include <string.h>
+#include <assert.h>
+
+
+/* Can't use the recommended caml_named_value mechanism for backwards
+   compatibility reasons. This is largely equivalent. */
+static value llvm_ee_error_exn;
+
+CAMLprim value llvm_register_ee_exns(value Error) {
+  llvm_ee_error_exn = Field(Error, 0);
+  register_global_root(&llvm_ee_error_exn);
+  return Val_unit;
+}
+
+static void llvm_raise(value Prototype, char *Message) {
+  CAMLparam1(Prototype);
+  CAMLlocal1(CamlMessage);
+  
+  CamlMessage = copy_string(Message);
+  LLVMDisposeMessage(Message);
+  
+  raise_with_arg(Prototype, CamlMessage);
+  abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
+}
+
+
+/*--... Operations on generic values .......................................--*/
+
+#define Genericvalue_val(v)  (*(LLVMGenericValueRef *)(Data_custom_val(v)))
+
+static void llvm_finalize_generic_value(value GenVal) {
+  LLVMDisposeGenericValue(Genericvalue_val(GenVal));
+}
+
+static struct custom_operations generic_value_ops = {
+  (char *) "LLVMGenericValue",
+  llvm_finalize_generic_value,
+  custom_compare_default,
+  custom_hash_default,
+  custom_serialize_default,
+  custom_deserialize_default
+};
+
+static value alloc_generic_value(LLVMGenericValueRef Ref) {
+  value Val = alloc_custom(&generic_value_ops, sizeof(LLVMGenericValueRef), 0, 1);
+  Genericvalue_val(Val) = Ref;
+  return Val;
+}
+
+/* Llvm.lltype -> float -> t */
+CAMLprim value llvm_genericvalue_of_float(LLVMTypeRef Ty, value N) {
+  CAMLparam1(N);
+  CAMLreturn(alloc_generic_value(
+    LLVMCreateGenericValueOfFloat(Ty, Double_val(N))));
+}
+
+/* 'a -> t */
+CAMLprim value llvm_genericvalue_of_value(value V) {
+  CAMLparam1(V);
+  CAMLreturn(alloc_generic_value(LLVMCreateGenericValueOfPointer(Op_val(V))));
+}
+
+/* Llvm.lltype -> int -> t */
+CAMLprim value llvm_genericvalue_of_int(LLVMTypeRef Ty, value Int) {
+  return alloc_generic_value(LLVMCreateGenericValueOfInt(Ty, Int_val(Int), 1));
+}
+
+/* Llvm.lltype -> int32 -> t */
+CAMLprim value llvm_genericvalue_of_int32(LLVMTypeRef Ty, value Int32) {
+  CAMLparam1(Int32);
+  CAMLreturn(alloc_generic_value(
+    LLVMCreateGenericValueOfInt(Ty, Int32_val(Int32), 1)));
+}
+
+/* Llvm.lltype -> nativeint -> t */
+CAMLprim value llvm_genericvalue_of_nativeint(LLVMTypeRef Ty, value NatInt) {
+  CAMLparam1(NatInt);
+  CAMLreturn(alloc_generic_value(
+    LLVMCreateGenericValueOfInt(Ty, Nativeint_val(NatInt), 1)));
+}
+
+/* Llvm.lltype -> int64 -> t */
+CAMLprim value llvm_genericvalue_of_int64(LLVMTypeRef Ty, value Int64) {
+  CAMLparam1(Int64);
+  CAMLreturn(alloc_generic_value(
+    LLVMCreateGenericValueOfInt(Ty, Int64_val(Int64), 1)));
+}
+
+/* Llvm.lltype -> t -> float */
+CAMLprim value llvm_genericvalue_as_float(LLVMTypeRef Ty, value GenVal) {
+  CAMLparam1(GenVal);
+  CAMLreturn(copy_double(
+    LLVMGenericValueToFloat(Ty, Genericvalue_val(GenVal))));
+}
+
+/* t -> 'a */
+CAMLprim value llvm_genericvalue_as_value(value GenVal) {
+  return Val_op(LLVMGenericValueToPointer(Genericvalue_val(GenVal)));
+}
+
+/* t -> int */
+CAMLprim value llvm_genericvalue_as_int(value GenVal) {
+  assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 8 * sizeof(value)
+         && "Generic value too wide to treat as an int!");
+  return Val_int(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1));
+}
+
+/* t -> int32 */
+CAMLprim value llvm_genericvalue_as_int32(value GenVal) {
+  CAMLparam1(GenVal);
+  assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 32
+         && "Generic value too wide to treat as an int32!");
+  CAMLreturn(copy_int32(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1)));
+}
+
+/* t -> int64 */
+CAMLprim value llvm_genericvalue_as_int64(value GenVal) {
+  CAMLparam1(GenVal);
+  assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 64
+         && "Generic value too wide to treat as an int64!");
+  CAMLreturn(copy_int64(LLVMGenericValueToInt(Genericvalue_val(GenVal), 1)));
+}
+
+/* t -> nativeint */
+CAMLprim value llvm_genericvalue_as_nativeint(value GenVal) {
+  CAMLparam1(GenVal);
+  assert(LLVMGenericValueIntWidth(Genericvalue_val(GenVal)) <= 8 * sizeof(value)
+         && "Generic value too wide to treat as a nativeint!");
+  CAMLreturn(copy_nativeint(LLVMGenericValueToInt(Genericvalue_val(GenVal),1)));
+}
+
+
+/*--... Operations on execution engines ....................................--*/
+
+/* llmoduleprovider -> ExecutionEngine.t */
+CAMLprim LLVMExecutionEngineRef llvm_ee_create(LLVMModuleProviderRef MP) {
+  LLVMExecutionEngineRef Interp;
+  char *Error;
+  if (LLVMCreateExecutionEngine(&Interp, MP, &Error))
+    llvm_raise(llvm_ee_error_exn, Error);
+  return Interp;
+}
+
+/* llmoduleprovider -> ExecutionEngine.t */
+CAMLprim LLVMExecutionEngineRef
+llvm_ee_create_interpreter(LLVMModuleProviderRef MP) {
+  LLVMExecutionEngineRef Interp;
+  char *Error;
+  if (LLVMCreateInterpreter(&Interp, MP, &Error))
+    llvm_raise(llvm_ee_error_exn, Error);
+  return Interp;
+}
+
+/* llmoduleprovider -> ExecutionEngine.t */
+CAMLprim LLVMExecutionEngineRef
+llvm_ee_create_jit(LLVMModuleProviderRef MP) {
+  LLVMExecutionEngineRef JIT;
+  char *Error;
+  if (LLVMCreateJITCompiler(&JIT, MP, 3, &Error))
+    llvm_raise(llvm_ee_error_exn, Error);
+  return JIT;
+}
+
+/* llmoduleprovider -> ExecutionEngine.t */
+CAMLprim LLVMExecutionEngineRef
+llvm_ee_create_fast_jit(LLVMModuleProviderRef MP) {
+  LLVMExecutionEngineRef JIT;
+  char *Error;
+  if (LLVMCreateJITCompiler(&JIT, MP, 0, &Error))
+    llvm_raise(llvm_ee_error_exn, Error);
+  return JIT;
+}
+
+/* ExecutionEngine.t -> unit */
+CAMLprim value llvm_ee_dispose(LLVMExecutionEngineRef EE) {
+  LLVMDisposeExecutionEngine(EE);
+  return Val_unit;
+}
+
+/* llmoduleprovider -> ExecutionEngine.t -> unit */
+CAMLprim value llvm_ee_add_mp(LLVMModuleProviderRef MP,
+                              LLVMExecutionEngineRef EE) {
+  LLVMAddModuleProvider(EE, MP);
+  return Val_unit;
+}
+
+/* llmoduleprovider -> ExecutionEngine.t -> llmodule */
+CAMLprim LLVMModuleRef llvm_ee_remove_mp(LLVMModuleProviderRef MP,
+                                         LLVMExecutionEngineRef EE) {
+  LLVMModuleRef RemovedModule;
+  char *Error;
+  if (LLVMRemoveModuleProvider(EE, MP, &RemovedModule, &Error))
+    llvm_raise(llvm_ee_error_exn, Error);
+  return RemovedModule;
+}
+
+/* string -> ExecutionEngine.t -> llvalue option */
+CAMLprim value llvm_ee_find_function(value Name, LLVMExecutionEngineRef EE) {
+  CAMLparam1(Name);
+  CAMLlocal1(Option);
+  LLVMValueRef Found;
+  if (LLVMFindFunction(EE, String_val(Name), &Found))
+    CAMLreturn(Val_unit);
+  Option = alloc(1, 1);
+  Field(Option, 0) = Val_op(Found);
+  CAMLreturn(Option);
+}
+
+/* llvalue -> GenericValue.t array -> ExecutionEngine.t -> GenericValue.t */
+CAMLprim value llvm_ee_run_function(LLVMValueRef F, value Args,
+                                    LLVMExecutionEngineRef EE) {
+  unsigned NumArgs;
+  LLVMGenericValueRef Result, *GVArgs;
+  unsigned I;
+  
+  NumArgs = Wosize_val(Args);
+  GVArgs = (LLVMGenericValueRef*) malloc(NumArgs * sizeof(LLVMGenericValueRef));
+  for (I = 0; I != NumArgs; ++I)
+    GVArgs[I] = Genericvalue_val(Field(Args, I));
+  
+  Result = LLVMRunFunction(EE, F, NumArgs, GVArgs);
+  
+  free(GVArgs);
+  return alloc_generic_value(Result);
+}
+
+/* ExecutionEngine.t -> unit */
+CAMLprim value llvm_ee_run_static_ctors(LLVMExecutionEngineRef EE) {
+  LLVMRunStaticConstructors(EE);
+  return Val_unit;
+}
+
+/* ExecutionEngine.t -> unit */
+CAMLprim value llvm_ee_run_static_dtors(LLVMExecutionEngineRef EE) {
+  LLVMRunStaticDestructors(EE);
+  return Val_unit;
+}
+
+/* llvalue -> string array -> (string * string) array -> ExecutionEngine.t ->
+   int */
+CAMLprim value llvm_ee_run_function_as_main(LLVMValueRef F,
+                                            value Args, value Env,
+                                            LLVMExecutionEngineRef EE) {
+  CAMLparam2(Args, Env);
+  int I, NumArgs, NumEnv, EnvSize, Result;
+  const char **CArgs, **CEnv;
+  char *CEnvBuf, *Pos;
+  
+  NumArgs = Wosize_val(Args);
+  NumEnv = Wosize_val(Env);
+  
+  /* Build the environment. */
+  CArgs = (const char **) malloc(NumArgs * sizeof(char*));
+  for (I = 0; I != NumArgs; ++I)
+    CArgs[I] = String_val(Field(Args, I));
+  
+  /* Compute the size of the environment string buffer. */
+  for (I = 0, EnvSize = 0; I != NumEnv; ++I) {
+    EnvSize += strlen(String_val(Field(Field(Env, I), 0))) + 1;
+    EnvSize += strlen(String_val(Field(Field(Env, I), 1))) + 1;
+  }
+  
+  /* Build the environment. */
+  CEnv = (const char **) malloc((NumEnv + 1) * sizeof(char*));
+  CEnvBuf = (char*) malloc(EnvSize);
+  Pos = CEnvBuf;
+  for (I = 0; I != NumEnv; ++I) {
+    char *Name  = String_val(Field(Field(Env, I), 0)),
+         *Value = String_val(Field(Field(Env, I), 1));
+    int NameLen  = strlen(Name),
+        ValueLen = strlen(Value);
+    
+    CEnv[I] = Pos;
+    memcpy(Pos, Name, NameLen);
+    Pos += NameLen;
+    *Pos++ = '=';
+    memcpy(Pos, Value, ValueLen);
+    Pos += ValueLen;
+    *Pos++ = '\0';
+  }
+  CEnv[NumEnv] = NULL;
+  
+  Result = LLVMRunFunctionAsMain(EE, F, NumArgs, CArgs, CEnv);
+  
+  free(CArgs);
+  free(CEnv);
+  free(CEnvBuf);
+  
+  CAMLreturn(Val_int(Result));
+}
+
+/* llvalue -> ExecutionEngine.t -> unit */
+CAMLprim value llvm_ee_free_machine_code(LLVMValueRef F,
+                                         LLVMExecutionEngineRef EE) {
+  LLVMFreeMachineCodeForFunction(EE, F);
+  return Val_unit;
+}
+
diff --git a/bindings/ocaml/executionengine/llvm_executionengine.ml b/bindings/ocaml/executionengine/llvm_executionengine.ml
new file mode 100644
index 000000000000..cf9acc7cb6b8
--- /dev/null
+++ b/bindings/ocaml/executionengine/llvm_executionengine.ml
@@ -0,0 +1,111 @@
+(*===-- llvm_executionengine.ml - LLVM Ocaml Interface ----------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+
+exception Error of string
+
+external register_exns: exn -> unit
+  = "llvm_register_ee_exns"
+
+
+module GenericValue = struct
+  type t
+  
+  external of_float: Llvm.lltype -> float -> t
+    = "llvm_genericvalue_of_float"
+  external of_pointer: 'a -> t
+    = "llvm_genericvalue_of_value"
+  external of_int32: Llvm.lltype -> int32 -> t
+    = "llvm_genericvalue_of_int32"
+  external of_int: Llvm.lltype -> int -> t
+    = "llvm_genericvalue_of_int"
+  external of_nativeint: Llvm.lltype -> nativeint -> t
+    = "llvm_genericvalue_of_nativeint"
+  external of_int64: Llvm.lltype -> int64 -> t
+    = "llvm_genericvalue_of_int64"
+  
+  external as_float: Llvm.lltype -> t -> float
+    = "llvm_genericvalue_as_float"
+  external as_pointer: t -> 'a
+    = "llvm_genericvalue_as_value"
+  external as_int32: t -> int32
+    = "llvm_genericvalue_as_int32"
+  external as_int: t -> int
+    = "llvm_genericvalue_as_int"
+  external as_nativeint: t -> nativeint
+    = "llvm_genericvalue_as_nativeint"
+  external as_int64: t -> int64
+    = "llvm_genericvalue_as_int64"
+end
+
+
+module ExecutionEngine = struct
+  type t
+  
+  (* FIXME: Ocaml is not running this setup code unless we use 'val' in the
+            interface, which causes the emission of a stub for each function;
+            using 'external' in the module allows direct calls into 
+            ocaml_executionengine.c. This is hardly fatal, but it is unnecessary
+            overhead on top of the two stubs that are already invoked for each 
+            call into LLVM. *)
+  let _ = register_exns (Error "")
+  
+  external create: Llvm.llmoduleprovider -> t
+    = "llvm_ee_create"
+  external create_interpreter: Llvm.llmoduleprovider -> t
+    = "llvm_ee_create_interpreter"
+  external create_jit: Llvm.llmoduleprovider -> t
+    = "llvm_ee_create_jit"
+  external create_fast_jit: Llvm.llmoduleprovider -> t
+    = "llvm_ee_create_fast_jit"
+  external dispose: t -> unit
+    = "llvm_ee_dispose"
+  external add_module_provider: Llvm.llmoduleprovider -> t -> unit
+    = "llvm_ee_add_mp"
+  external remove_module_provider: Llvm.llmoduleprovider -> t -> Llvm.llmodule
+    = "llvm_ee_remove_mp"
+  external find_function: string -> t -> Llvm.llvalue option
+    = "llvm_ee_find_function"
+  external run_function: Llvm.llvalue -> GenericValue.t array -> t ->
+                         GenericValue.t
+    = "llvm_ee_run_function"
+  external run_static_ctors: t -> unit
+    = "llvm_ee_run_static_ctors"
+  external run_static_dtors: t -> unit
+    = "llvm_ee_run_static_dtors"
+  external run_function_as_main: Llvm.llvalue -> string array ->
+                                 (string * string) array -> t -> int
+    = "llvm_ee_run_function_as_main"
+  external free_machine_code: Llvm.llvalue -> t -> unit
+    = "llvm_ee_free_machine_code"
+
+  external target_data: t -> Llvm_target.TargetData.t
+    = "LLVMGetExecutionEngineTargetData"
+  
+  (* The following are not bound. Patches are welcome.
+  
+  get_target_data: t -> lltargetdata
+  add_global_mapping: llvalue -> llgenericvalue -> t -> unit
+  clear_all_global_mappings: t -> unit
+  update_global_mapping: llvalue -> llgenericvalue -> t -> unit
+  get_pointer_to_global_if_available: llvalue -> t -> llgenericvalue
+  get_pointer_to_global: llvalue -> t -> llgenericvalue
+  get_pointer_to_function: llvalue -> t -> llgenericvalue
+  get_pointer_to_function_or_stub: llvalue -> t -> llgenericvalue
+  get_global_value_at_address: llgenericvalue -> t -> llvalue option
+  store_value_to_memory: llgenericvalue -> llgenericvalue -> lltype -> unit
+  initialize_memory: llvalue -> llgenericvalue -> t -> unit
+  recompile_and_relink_function: llvalue -> t -> llgenericvalue
+  get_or_emit_global_variable: llvalue -> t -> llgenericvalue
+  disable_lazy_compilation: t -> unit
+  lazy_compilation_enabled: t -> bool
+  install_lazy_function_creator: (string -> llgenericvalue) -> t -> unit
+  
+   *)
+end
diff --git a/bindings/ocaml/executionengine/llvm_executionengine.mli b/bindings/ocaml/executionengine/llvm_executionengine.mli
new file mode 100644
index 000000000000..17da1dffe556
--- /dev/null
+++ b/bindings/ocaml/executionengine/llvm_executionengine.mli
@@ -0,0 +1,163 @@
+(*===-- llvm_executionengine.mli - LLVM Ocaml Interface ---------*- C++ -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** JIT Interpreter.
+
+    This interface provides an ocaml API for LLVM execution engine (JIT/
+    interpreter), the classes in the ExecutionEngine library. *)
+
+exception Error of string
+
+module GenericValue: sig
+  (** [GenericValue.t] is a boxed union type used to portably pass arguments to
+      and receive values from the execution engine. It supports only a limited
+      selection of types; for more complex argument types, it is necessary to
+      generate a stub function by hand or to pass parameters by reference.
+      See the struct [llvm::GenericValue]. *)
+  type t
+  
+  (** [of_float fpty n] boxes the float [n] in a float-valued generic value
+      according to the floating point type [fpty]. See the fields
+      [llvm::GenericValue::DoubleVal] and [llvm::GenericValue::FloatVal]. *)
+  val of_float: Llvm.lltype -> float -> t
+  
+  (** [of_pointer v] boxes the pointer value [v] in a generic value. See the
+      field [llvm::GenericValue::PointerVal]. *)
+  val of_pointer: 'a -> t
+  
+  (** [of_int32 n w] boxes the int32 [i] in a generic value with the bitwidth
+      [w]. See the field [llvm::GenericValue::IntVal]. *)
+  val of_int32: Llvm.lltype -> int32 -> t
+  
+  (** [of_int n w] boxes the int [i] in a generic value with the bitwidth
+      [w]. See the field [llvm::GenericValue::IntVal]. *)
+  val of_int: Llvm.lltype -> int -> t
+  
+  (** [of_natint n w] boxes the native int [i] in a generic value with the
+      bitwidth [w]. See the field [llvm::GenericValue::IntVal]. *)
+  val of_nativeint: Llvm.lltype -> nativeint -> t
+  
+  (** [of_int64 n w] boxes the int64 [i] in a generic value with the bitwidth
+      [w]. See the field [llvm::GenericValue::IntVal]. *)
+  val of_int64: Llvm.lltype -> int64 -> t
+  
+  (** [as_float fpty gv] unboxes the floating point-valued generic value [gv] of
+      floating point type [fpty]. See the fields [llvm::GenericValue::DoubleVal]
+      and [llvm::GenericValue::FloatVal]. *)
+  val as_float: Llvm.lltype -> t -> float
+  
+  (** [as_pointer gv] unboxes the pointer-valued generic value [gv]. See the
+      field [llvm::GenericValue::PointerVal]. *)
+  val as_pointer: t -> 'a
+  
+  (** [as_int32 gv] unboxes the integer-valued generic value [gv] as an [int32].
+      Is invalid if [gv] has a bitwidth greater than 32 bits. See the field
+      [llvm::GenericValue::IntVal]. *)
+  val as_int32: t -> int32
+  
+  (** [as_int gv] unboxes the integer-valued generic value [gv] as an [int].
+      Is invalid if [gv] has a bitwidth greater than the host bit width (but the
+      most significant bit may be lost). See the field
+      [llvm::GenericValue::IntVal]. *)
+  val as_int: t -> int
+  
+  (** [as_natint gv] unboxes the integer-valued generic value [gv] as a
+      [nativeint]. Is invalid if [gv] has a bitwidth greater than
+      [nativeint]. See the field [llvm::GenericValue::IntVal]. *)
+  val as_nativeint: t -> nativeint
+  
+  (** [as_int64 gv] returns the integer-valued generic value [gv] as an [int64].
+      Is invalid if [gv] has a bitwidth greater than [int64]. See the field
+      [llvm::GenericValue::IntVal]. *)
+  val as_int64: t -> int64
+end
+
+
+module ExecutionEngine: sig
+  (** An execution engine is either a JIT compiler or an interpreter, capable of
+      directly loading an LLVM module and executing its functions without first
+      invoking a static compiler and generating a native executable. *)
+  type t
+  
+  (** [create mp] creates a new execution engine, taking ownership of the
+      module provider [mp] if successful. Creates a JIT if possible, else falls
+      back to an interpreter. Raises [Error msg] if an error occurrs. The
+      execution engine is not garbage collected and must be destroyed with
+      [dispose ee]. See the function [llvm::ExecutionEngine::create]. *)
+  val create: Llvm.llmoduleprovider -> t
+  
+  (** [create_interpreter mp] creates a new interpreter, taking ownership of the
+      module provider [mp] if successful. Raises [Error msg] if an error
+      occurrs. The execution engine is not garbage collected and must be
+      destroyed with [dispose ee].
+      See the function [llvm::ExecutionEngine::create]. *)
+  val create_interpreter: Llvm.llmoduleprovider -> t
+  
+  (** [create_jit mp] creates a new JIT (just-in-time compiler), taking
+      ownership of the module provider [mp] if successful. This function creates
+      a JIT which favors code quality over compilation speed. Raises [Error msg]
+      if an error occurrs. The execution engine is not garbage collected and
+      must be destroyed with [dispose ee].
+      See the function [llvm::ExecutionEngine::create]. *)
+  val create_jit: Llvm.llmoduleprovider -> t
+  
+  (** [create_fast_jit mp] creates a new JIT (just-in-time compiler) which
+      favors compilation speed over code quality. It takes ownership of the
+      module provider [mp] if successful. Raises [Error msg] if an error
+      occurrs. The execution engine is not garbage collected and must be
+      destroyed with [dispose ee].
+      See the function [llvm::ExecutionEngine::create]. *)
+  val create_fast_jit: Llvm.llmoduleprovider -> t
+  
+  (** [dispose ee] releases the memory used by the execution engine and must be
+      invoked to avoid memory leaks. *)
+  val dispose: t -> unit
+  
+  (** [add_module_provider mp ee] adds the module provider [mp] to the execution
+      engine [ee]. *)
+  val add_module_provider: Llvm.llmoduleprovider -> t -> unit
+  
+  (** [remove_module_provider mp ee] removes the module provider [mp] from the
+      execution engine [ee], disposing of [mp] and the module referenced by
+      [mp]. Raises [Error msg] if an error occurs. *)
+  val remove_module_provider: Llvm.llmoduleprovider -> t -> Llvm.llmodule
+  
+  (** [find_function n ee] finds the function named [n] defined in any of the
+      modules owned by the execution engine [ee]. Returns [None] if the function
+      is not found and [Some f] otherwise. *)
+  val find_function: string -> t -> Llvm.llvalue option
+  
+  (** [run_function f args ee] synchronously executes the function [f] with the
+      arguments [args], which must be compatible with the parameter types. *)
+  val run_function: Llvm.llvalue -> GenericValue.t array -> t ->
+                    GenericValue.t
+  
+  (** [run_static_ctors ee] executes the static constructors of each module in
+      the execution engine [ee]. *)
+  val run_static_ctors: t -> unit
+  
+  (** [run_static_dtors ee] executes the static destructors of each module in
+      the execution engine [ee]. *)
+  val run_static_dtors: t -> unit
+  
+  (** [run_function_as_main f args env ee] executes the function [f] as a main
+      function, passing it [argv] and [argc] according to the string array
+      [args], and [envp] as specified by the array [env]. Returns the integer
+      return value of the function. *)
+  val run_function_as_main: Llvm.llvalue -> string array ->
+                            (string * string) array -> t -> int
+  
+  (** [free_machine_code f ee] releases the memory in the execution engine [ee]
+      used to store the machine code for the function [f]. *)
+  val free_machine_code: Llvm.llvalue -> t -> unit
+
+  (** [target_data ee] is the target data owned by the execution engine
+      [ee]. *)
+  val target_data: t -> Llvm_target.TargetData.t
+end
diff --git a/bindings/ocaml/llvm/Makefile b/bindings/ocaml/llvm/Makefile
new file mode 100644
index 000000000000..3a06fb6a9abb
--- /dev/null
+++ b/bindings/ocaml/llvm/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/bitwriter/Makefile -------------------*- Makefile -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+# 
+# This is the makefile for the Objective Caml Llvm interface.
+# 
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm
+DONT_BUILD_RELINKED := 1
+UsedComponents := core
+UsedOcamLibs := llvm
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/llvm/llvm.ml b/bindings/ocaml/llvm/llvm.ml
new file mode 100644
index 000000000000..49975650a592
--- /dev/null
+++ b/bindings/ocaml/llvm/llvm.ml
@@ -0,0 +1,844 @@
+(*===-- llvm/llvm.ml - LLVM Ocaml Interface --------------------------------===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+
+type llmodule
+type lltype
+type lltypehandle
+type llvalue
+type llbasicblock
+type llbuilder
+type llmoduleprovider
+type llmemorybuffer
+
+module TypeKind = struct
+  type t =
+  | Void
+  | Float
+  | Double
+  | X86fp80
+  | Fp128
+  | Ppc_fp128
+  | Label
+  | Metadata
+  | Integer
+  | Function
+  | Struct
+  | Array
+  | Pointer
+  | Opaque
+  | Vector
+end
+
+module Linkage = struct
+  type t =
+  | External
+  | Available_externally
+  | Link_once
+  | Weak
+  | Appending
+  | Internal
+  | Dllimport
+  | Dllexport
+  | External_weak
+  | Ghost
+end
+
+module Visibility = struct
+  type t =
+  | Default
+  | Hidden
+  | Protected
+end
+
+module CallConv = struct
+  let c = 0
+  let fast = 8
+  let cold = 9
+  let x86_stdcall = 64
+  let x86_fastcall = 65
+end
+
+module Attribute = struct
+  type t =
+  | Zext
+  | Sext
+  | Noreturn
+  | Inreg
+  | Structret
+  | Nounwind
+  | Noalias
+  | Byval
+  | Nest
+  | Readnone
+  | Readonly
+end
+
+module Icmp = struct
+  type t =
+  | Eq
+  | Ne
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Sgt
+  | Sge
+  | Slt
+  | Sle
+end
+
+module Fcmp = struct
+  type t =
+  | False
+  | Oeq
+  | Ogt
+  | Oge
+  | Olt
+  | Ole
+  | One
+  | Ord
+  | Uno
+  | Ueq
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Une
+  | True
+end
+
+exception IoError of string
+
+external register_exns : exn -> unit = "llvm_register_core_exns"
+let _ = register_exns (IoError "")
+
+type ('a, 'b) llpos =
+| At_end of 'a
+| Before of 'b
+
+type ('a, 'b) llrev_pos =
+| At_start of 'a
+| After of 'b
+
+
+(*===-- Modules -----------------------------------------------------------===*)
+
+external create_module : string -> llmodule = "llvm_create_module"
+external dispose_module : llmodule -> unit = "llvm_dispose_module"
+external target_triple: llmodule -> string
+                      = "llvm_target_triple"
+external set_target_triple: string -> llmodule -> unit
+                          = "llvm_set_target_triple"
+external data_layout: llmodule -> string
+                    = "llvm_data_layout"
+external set_data_layout: string -> llmodule -> unit
+                        = "llvm_set_data_layout"
+external define_type_name : string -> lltype -> llmodule -> bool
+                          = "llvm_add_type_name"
+external delete_type_name : string -> llmodule -> unit
+                          = "llvm_delete_type_name"
+external dump_module : llmodule -> unit = "llvm_dump_module"
+
+(*===-- Types -------------------------------------------------------------===*)
+
+external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
+
+(*--... Operations on integer types ........................................--*)
+external _i1_type : unit -> lltype = "llvm_i1_type"
+external _i8_type : unit -> lltype = "llvm_i8_type"
+external _i16_type : unit -> lltype = "llvm_i16_type"
+external _i32_type : unit -> lltype = "llvm_i32_type"
+external _i64_type : unit -> lltype = "llvm_i64_type"
+
+let i1_type = _i1_type ()
+let i8_type = _i8_type ()
+let i16_type = _i16_type ()
+let i32_type = _i32_type ()
+let i64_type = _i64_type ()
+
+external integer_type : int -> lltype = "llvm_integer_type"
+external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
+
+(*--... Operations on real types ...........................................--*)
+external _float_type : unit -> lltype = "llvm_float_type"
+external _double_type : unit -> lltype = "llvm_double_type"
+external _x86fp80_type : unit -> lltype = "llvm_x86fp80_type"
+external _fp128_type : unit -> lltype = "llvm_fp128_type"
+external _ppc_fp128_type : unit -> lltype = "llvm_ppc_fp128_type"
+
+let float_type = _float_type ()
+let double_type = _double_type ()
+let x86fp80_type = _x86fp80_type ()
+let fp128_type = _fp128_type ()
+let ppc_fp128_type = _ppc_fp128_type ()
+
+(*--... Operations on function types .......................................--*)
+external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
+external var_arg_function_type : lltype -> lltype array -> lltype
+                               = "llvm_var_arg_function_type"
+external is_var_arg : lltype -> bool = "llvm_is_var_arg"
+external return_type : lltype -> lltype = "LLVMGetReturnType"
+external param_types : lltype -> lltype array = "llvm_param_types"
+
+(*--... Operations on struct types .........................................--*)
+external struct_type : lltype array -> lltype = "llvm_struct_type"
+external packed_struct_type : lltype array -> lltype = "llvm_packed_struct_type"
+external element_types : lltype -> lltype array = "llvm_element_types"
+external is_packed : lltype -> bool = "llvm_is_packed"
+
+(*--... Operations on pointer, vector, and array types .....................--*)
+external array_type : lltype -> int -> lltype = "llvm_array_type"
+external pointer_type : lltype -> lltype = "llvm_pointer_type"
+external qualified_pointer_type : lltype -> int -> lltype
+                                = "llvm_qualified_pointer_type"
+external vector_type : lltype -> int -> lltype = "llvm_vector_type"
+
+external element_type : lltype -> lltype = "LLVMGetElementType"
+external array_length : lltype -> int = "llvm_array_length"
+external address_space : lltype -> int = "llvm_address_space"
+external vector_size : lltype -> int = "llvm_vector_size"
+
+(*--... Operations on other types ..........................................--*)
+external opaque_type : unit -> lltype = "llvm_opaque_type"
+external _void_type : unit -> lltype = "llvm_void_type"
+external _label_type : unit -> lltype = "llvm_label_type"
+
+let void_type = _void_type ()
+let label_type = _label_type ()
+
+(*--... Operations on type handles .........................................--*)
+external handle_to_type : lltype -> lltypehandle = "llvm_handle_to_type"
+external type_of_handle : lltypehandle -> lltype = "llvm_type_of_handle"
+external refine_type : lltype -> lltype -> unit = "llvm_refine_type"
+
+
+(*===-- Values ------------------------------------------------------------===*)
+
+external type_of : llvalue -> lltype = "llvm_type_of"
+external value_name : llvalue -> string = "llvm_value_name"
+external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
+external dump_value : llvalue -> unit = "llvm_dump_value"
+
+(*--... Operations on constants of (mostly) any type .......................--*)
+external is_constant : llvalue -> bool = "llvm_is_constant"
+external const_null : lltype -> llvalue = "LLVMConstNull"
+external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
+external undef : lltype -> llvalue = "LLVMGetUndef"
+external is_null : llvalue -> bool = "llvm_is_null"
+external is_undef : llvalue -> bool = "llvm_is_undef"
+
+(*--... Operations on scalar constants .....................................--*)
+external const_int : lltype -> int -> llvalue = "llvm_const_int"
+external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
+                        = "llvm_const_of_int64"
+external const_float : lltype -> float -> llvalue = "llvm_const_float"
+
+(*--... Operations on composite constants ..................................--*)
+external const_string : string -> llvalue = "llvm_const_string"
+external const_stringz : string -> llvalue = "llvm_const_stringz"
+external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
+external const_struct : llvalue array -> llvalue = "llvm_const_struct"
+external const_packed_struct : llvalue array -> llvalue
+                             = "llvm_const_packed_struct"
+external const_vector : llvalue array -> llvalue = "llvm_const_vector"
+
+(*--... Constant expressions ...............................................--*)
+external align_of : lltype -> llvalue = "LLVMAlignOf"
+external size_of : lltype -> llvalue = "LLVMSizeOf"
+external const_neg : llvalue -> llvalue = "LLVMConstNeg"
+external const_not : llvalue -> llvalue = "LLVMConstNot"
+external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
+external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
+external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
+external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
+external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
+external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
+external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
+external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
+external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
+external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
+external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
+external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
+external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_icmp"
+external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_fcmp"
+external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
+external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
+external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
+external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
+external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
+external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
+external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
+external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
+external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
+external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
+external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
+external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
+external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
+external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
+external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
+external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
+external const_select : llvalue -> llvalue -> llvalue -> llvalue
+                      = "LLVMConstSelect"
+external const_extractelement : llvalue -> llvalue -> llvalue
+                              = "LLVMConstExtractElement"
+external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstInsertElement"
+external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstShuffleVector"
+
+(*--... Operations on global variables, functions, and aliases (globals) ...--*)
+external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
+external is_declaration : llvalue -> bool = "llvm_is_declaration"
+external linkage : llvalue -> Linkage.t = "llvm_linkage"
+external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
+external section : llvalue -> string = "llvm_section"
+external set_section : string -> llvalue -> unit = "llvm_set_section"
+external visibility : llvalue -> Visibility.t = "llvm_visibility"
+external set_visibility : Visibility.t -> llvalue -> unit = "llvm_set_visibility"
+external alignment : llvalue -> int = "llvm_alignment"
+external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
+external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
+external set_global_constant : bool -> llvalue -> unit
+                             = "llvm_set_global_constant"
+
+(*--... Operations on global variables .....................................--*)
+external declare_global : lltype -> string -> llmodule -> llvalue
+                        = "llvm_declare_global"
+external define_global : string -> llvalue -> llmodule -> llvalue
+                       = "llvm_define_global"
+external lookup_global : string -> llmodule -> llvalue option
+                       = "llvm_lookup_global"
+external delete_global : llvalue -> unit = "llvm_delete_global"
+external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
+external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
+external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
+external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
+external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
+external global_begin : llmodule -> (llmodule, llvalue) llpos
+                      = "llvm_global_begin"
+external global_succ : llvalue -> (llmodule, llvalue) llpos
+                     = "llvm_global_succ"
+external global_end : llmodule -> (llmodule, llvalue) llrev_pos
+                    = "llvm_global_end"
+external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                     = "llvm_global_pred"
+
+let rec iter_global_range f i e =
+  if i = e then () else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
+  | Before bb ->
+      f bb;
+      iter_global_range f (global_succ bb) e
+
+let iter_globals f m =
+  iter_global_range f (global_begin m) (At_end m)
+
+let rec fold_left_global_range f init i e =
+  if i = e then init else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid global variable range.")
+  | Before bb -> fold_left_global_range f (f init bb) (global_succ bb) e
+
+let fold_left_globals f init m =
+  fold_left_global_range f init (global_begin m) (At_end m)
+
+let rec rev_iter_global_range f i e =
+  if i = e then () else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
+  | After bb ->
+      f bb;
+      rev_iter_global_range f (global_pred bb) e
+
+let rev_iter_globals f m =
+  rev_iter_global_range f (global_end m) (At_start m)
+
+let rec fold_right_global_range f i e init =
+  if i = e then init else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid global variable range.")
+  | After bb -> fold_right_global_range f (global_pred bb) e (f bb init)
+
+let fold_right_globals f m init =
+  fold_right_global_range f (global_end m) (At_start m) init
+
+(*--... Operations on functions ............................................--*)
+external declare_function : string -> lltype -> llmodule -> llvalue
+                          = "llvm_declare_function"
+external define_function : string -> lltype -> llmodule -> llvalue
+                         = "llvm_define_function"
+external lookup_function : string -> llmodule -> llvalue option
+                         = "llvm_lookup_function"
+external delete_function : llvalue -> unit = "llvm_delete_function"
+external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
+external function_call_conv : llvalue -> int = "llvm_function_call_conv"
+external set_function_call_conv : int -> llvalue -> unit
+                                = "llvm_set_function_call_conv"
+external gc : llvalue -> string option = "llvm_gc"
+external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
+external function_begin : llmodule -> (llmodule, llvalue) llpos
+                        = "llvm_function_begin"
+external function_succ : llvalue -> (llmodule, llvalue) llpos
+                       = "llvm_function_succ"
+external function_end : llmodule -> (llmodule, llvalue) llrev_pos
+                      = "llvm_function_end"
+external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                       = "llvm_function_pred"
+
+let rec iter_function_range f i e =
+  if i = e then () else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid function range.")
+  | Before fn ->
+      f fn;
+      iter_function_range f (function_succ fn) e
+
+let iter_functions f m =
+  iter_function_range f (function_begin m) (At_end m)
+
+let rec fold_left_function_range f init i e =
+  if i = e then init else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid function range.")
+  | Before fn -> fold_left_function_range f (f init fn) (function_succ fn) e
+
+let fold_left_functions f init m =
+  fold_left_function_range f init (function_begin m) (At_end m)
+
+let rec rev_iter_function_range f i e =
+  if i = e then () else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid function range.")
+  | After fn ->
+      f fn;
+      rev_iter_function_range f (function_pred fn) e
+
+let rev_iter_functions f m =
+  rev_iter_function_range f (function_end m) (At_start m)
+
+let rec fold_right_function_range f i e init =
+  if i = e then init else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid function range.")
+  | After fn -> fold_right_function_range f (function_pred fn) e (f fn init)
+
+let fold_right_functions f m init =
+  fold_right_function_range f (function_end m) (At_start m) init
+
+external add_function_attr : llvalue -> Attribute.t -> unit
+                           = "llvm_add_function_attr"
+external remove_function_attr : llvalue -> Attribute.t -> unit
+                              = "llvm_remove_function_attr"
+
+(*--... Operations on params ...............................................--*)
+external params : llvalue -> llvalue array = "llvm_params"
+external param : llvalue -> int -> llvalue = "llvm_param"
+external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
+external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
+external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
+external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
+external param_pred : llvalue -> (llvalue, llvalue) llrev_pos ="llvm_param_pred"
+
+let rec iter_param_range f i e =
+  if i = e then () else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
+  | Before p ->
+      f p;
+      iter_param_range f (param_succ p) e
+
+let iter_params f fn =
+  iter_param_range f (param_begin fn) (At_end fn)
+
+let rec fold_left_param_range f init i e =
+  if i = e then init else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid parameter range.")
+  | Before p -> fold_left_param_range f (f init p) (param_succ p) e
+
+let fold_left_params f init fn =
+  fold_left_param_range f init (param_begin fn) (At_end fn)
+
+let rec rev_iter_param_range f i e =
+  if i = e then () else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
+  | After p ->
+      f p;
+      rev_iter_param_range f (param_pred p) e
+
+let rev_iter_params f fn =
+  rev_iter_param_range f (param_end fn) (At_start fn)
+
+let rec fold_right_param_range f init i e =
+  if i = e then init else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid parameter range.")
+  | After p -> fold_right_param_range f (f p init) (param_pred p) e
+
+let fold_right_params f fn init =
+  fold_right_param_range f init (param_end fn) (At_start fn)
+
+external add_param_attr : llvalue -> Attribute.t -> unit
+                        = "llvm_add_param_attr"
+external remove_param_attr : llvalue -> Attribute.t -> unit
+                           = "llvm_remove_param_attr"
+external set_param_alignment : llvalue -> int -> unit
+                             = "llvm_set_param_alignment"
+
+(*--... Operations on basic blocks .........................................--*)
+external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
+external value_is_block : llvalue -> bool = "llvm_value_is_block"
+external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
+external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
+external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
+external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
+external delete_block : llbasicblock -> unit = "llvm_delete_block"
+external append_block : string -> llvalue -> llbasicblock = "llvm_append_block"
+external insert_block : string -> llbasicblock -> llbasicblock
+                      = "llvm_insert_block"
+external block_begin : llvalue -> (llvalue, llbasicblock) llpos
+                     = "llvm_block_begin"
+external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
+                    = "llvm_block_succ"
+external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
+                   = "llvm_block_end"
+external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
+                    = "llvm_block_pred"
+
+let rec iter_block_range f i e =
+  if i = e then () else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid block range.")
+  | Before bb ->
+      f bb;
+      iter_block_range f (block_succ bb) e
+
+let iter_blocks f fn =
+  iter_block_range f (block_begin fn) (At_end fn)
+
+let rec fold_left_block_range f init i e =
+  if i = e then init else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid block range.")
+  | Before bb -> fold_left_block_range f (f init bb) (block_succ bb) e
+
+let fold_left_blocks f init fn =
+  fold_left_block_range f init (block_begin fn) (At_end fn)
+
+let rec rev_iter_block_range f i e =
+  if i = e then () else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid block range.")
+  | After bb ->
+      f bb;
+      rev_iter_block_range f (block_pred bb) e
+
+let rev_iter_blocks f fn =
+  rev_iter_block_range f (block_end fn) (At_start fn)
+
+let rec fold_right_block_range f init i e =
+  if i = e then init else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid block range.")
+  | After bb -> fold_right_block_range f (f bb init) (block_pred bb) e
+
+let fold_right_blocks f fn init =
+  fold_right_block_range f init (block_end fn) (At_start fn)
+
+(*--... Operations on instructions .........................................--*)
+external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
+external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_begin"
+external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_succ"
+external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_end"
+external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_pred"
+
+let rec iter_instrs_range f i e =
+  if i = e then () else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
+  | Before i ->
+      f i;
+      iter_instrs_range f (instr_succ i) e
+
+let iter_instrs f bb =
+  iter_instrs_range f (instr_begin bb) (At_end bb)
+
+let rec fold_left_instrs_range f init i e =
+  if i = e then init else
+  match i with
+  | At_end _ -> raise (Invalid_argument "Invalid instruction range.")
+  | Before i -> fold_left_instrs_range f (f init i) (instr_succ i) e
+
+let fold_left_instrs f init bb =
+  fold_left_instrs_range f init (instr_begin bb) (At_end bb)
+
+let rec rev_iter_instrs_range f i e =
+  if i = e then () else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
+  | After i ->
+      f i;
+      rev_iter_instrs_range f (instr_pred i) e
+
+let rev_iter_instrs f bb =
+  rev_iter_instrs_range f (instr_end bb) (At_start bb)
+
+let rec fold_right_instr_range f i e init =
+  if i = e then init else
+  match i with
+  | At_start _ -> raise (Invalid_argument "Invalid instruction range.")
+  | After i -> fold_right_instr_range f (instr_pred i) e (f i init)
+
+let fold_right_instrs f bb init =
+  fold_right_instr_range f (instr_end bb) (At_start bb) init
+
+
+(*--... Operations on call sites ...........................................--*)
+external instruction_call_conv: llvalue -> int
+                              = "llvm_instruction_call_conv"
+external set_instruction_call_conv: int -> llvalue -> unit
+                                  = "llvm_set_instruction_call_conv"
+external add_instruction_param_attr : llvalue -> int -> Attribute.t -> unit
+                                    = "llvm_add_instruction_param_attr"
+external remove_instruction_param_attr : llvalue -> int -> Attribute.t -> unit
+                                       = "llvm_remove_instruction_param_attr"
+
+(*--... Operations on call instructions (only) .............................--*)
+external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
+external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"
+
+(*--... Operations on phi nodes ............................................--*)
+external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
+                      = "llvm_add_incoming"
+external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
+
+
+(*===-- Instruction builders ----------------------------------------------===*)
+external builder : unit -> llbuilder = "llvm_builder"
+external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
+                          = "llvm_position_builder"
+external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
+
+let builder_at ip =
+  let b = builder () in
+  position_builder ip b;
+  b
+
+let builder_before i = builder_at (Before i)
+let builder_at_end bb = builder_at (At_end bb)
+
+let position_before i = position_builder (Before i)
+let position_at_end bb = position_builder (At_end bb)
+
+
+(*--... Terminators ........................................................--*)
+external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
+external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
+external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
+external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
+                         llvalue = "llvm_build_cond_br"
+external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
+                      = "llvm_build_switch"
+external add_case : llvalue -> llvalue -> llbasicblock -> unit
+                  = "llvm_add_case"
+external build_invoke : llvalue -> llvalue array -> llbasicblock ->
+                        llbasicblock -> string -> llbuilder -> llvalue
+                      = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
+external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
+external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
+
+(*--... Arithmetic .........................................................--*)
+external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_add"
+external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_sub"
+external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_mul"
+external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_udiv"
+external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_sdiv"
+external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_fdiv"
+external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_urem"
+external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_srem"
+external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_frem"
+external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_shl"
+external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_lshr"
+external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_ashr"
+external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_and"
+external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                  = "llvm_build_or"
+external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_xor"
+external build_neg : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_neg"
+external build_not : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_not"
+
+(*--... Memory .............................................................--*)
+external build_malloc : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_malloc"
+external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_malloc"
+external build_alloca : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_alloca"
+external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_alloca"
+external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
+external build_load : llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_load"
+external build_store : llvalue -> llvalue -> llbuilder -> llvalue
+                     = "llvm_build_store"
+external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                   = "llvm_build_gep"
+
+(*--... Casts ..............................................................--*)
+external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_trunc"
+external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_zext"
+external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_sext"
+external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptoui"
+external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptosi"
+external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_uitofp"
+external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_sitofp"
+external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_fptrunc"
+external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_fpext"
+external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_prttoint"
+external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_inttoptr"
+external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_bitcast"
+
+(*--... Comparisons ........................................................--*)
+external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_icmp"
+external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_fcmp"
+
+(*--... Miscellaneous instructions .........................................--*)
+external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
+                     llvalue = "llvm_build_phi"
+external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                    = "llvm_build_call"
+external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
+                        llvalue = "llvm_build_select"
+external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_va_arg"
+external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
+                                llvalue = "llvm_build_extractelement"
+external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_insertelement"
+external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_shufflevector"
+
+
+(*===-- Module providers --------------------------------------------------===*)
+
+module ModuleProvider = struct
+  external create : llmodule -> llmoduleprovider
+                  = "LLVMCreateModuleProviderForExistingModule"
+  external dispose : llmoduleprovider -> unit = "llvm_dispose_module_provider"
+end
+  
+
+(*===-- Memory buffers ----------------------------------------------------===*)
+
+module MemoryBuffer = struct
+  external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
+  external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
+  external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
+end
+
+
+(*===-- Pass Manager ------------------------------------------------------===*)
+
+module PassManager = struct
+  type 'a t
+  type any = [ `Module | `Function ]
+  external create : unit -> [ `Module ] t = "llvm_passmanager_create"
+  external create_function : llmoduleprovider -> [ `Function ] t
+                           = "LLVMCreateFunctionPassManager"
+  external run_module : llmodule -> [ `Module ] t -> bool
+                      = "llvm_passmanager_run_module"
+  external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
+  external run_function : llvalue -> [ `Function ] t -> bool
+                        = "llvm_passmanager_run_function"
+  external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
+  external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
+end
+
+
+(*===-- Non-Externs -------------------------------------------------------===*)
+(* These functions are built using the externals, so must be declared late.   *)
+
+let concat2 sep arr =
+  let s = ref "" in
+  if 0 < Array.length arr then begin
+    s := !s ^ arr.(0);
+    for i = 1 to (Array.length arr) - 1 do
+      s := !s ^ sep ^ arr.(i)
+    done
+  end;
+  !s
+
+let rec string_of_lltype ty =
+  (* FIXME: stop infinite recursion! :) *)
+  match classify_type ty with
+    TypeKind.Integer -> "i" ^ string_of_int (integer_bitwidth ty)
+  | TypeKind.Pointer -> (string_of_lltype (element_type ty)) ^ "*"
+  | TypeKind.Struct ->
+      let s = "{ " ^ (concat2 ", " (
+                Array.map string_of_lltype (element_types ty)
+              )) ^ " }" in
+      if is_packed ty
+        then "<" ^ s ^ ">"
+        else s
+  | TypeKind.Array -> "["   ^ (string_of_int (array_length ty)) ^
+                      " x " ^ (string_of_lltype (element_type ty)) ^ "]"
+  | TypeKind.Vector -> "<"   ^ (string_of_int (vector_size ty)) ^
+                       " x " ^ (string_of_lltype (element_type ty)) ^ ">"
+  | TypeKind.Opaque -> "opaque"
+  | TypeKind.Function -> string_of_lltype (return_type ty) ^
+                         " (" ^ (concat2 ", " (
+                           Array.map string_of_lltype (param_types ty)
+                         )) ^ ")"
+  | TypeKind.Label -> "label"
+  | TypeKind.Ppc_fp128 -> "ppc_fp128"
+  | TypeKind.Fp128 -> "fp128"
+  | TypeKind.X86fp80 -> "x86_fp80"
+  | TypeKind.Double -> "double"
+  | TypeKind.Float -> "float"
+  | TypeKind.Void -> "void"
+  | TypeKind.Metadata -> "metadata"
diff --git a/bindings/ocaml/llvm/llvm.mli b/bindings/ocaml/llvm/llvm.mli
new file mode 100644
index 000000000000..35c218a75264
--- /dev/null
+++ b/bindings/ocaml/llvm/llvm.mli
@@ -0,0 +1,1732 @@
+(*===-- llvm/llvm.mli - LLVM Ocaml Interface -------------------------------===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Core API.
+
+    This interface provides an ocaml API for the LLVM intermediate
+    representation, the classes in the VMCore library. *)
+
+
+(** {6 Abstract types}
+
+    These abstract types correlate directly to the LLVM VMCore classes. *)
+
+(** The top-level container for all other LLVM Intermediate Representation (IR)
+    objects. See the [llvm::Module] class. *)
+type llmodule
+
+(** Each value in the LLVM IR has a type, an instance of [lltype]. See the
+    [llvm::Type] class. *)
+type lltype
+
+(** When building recursive types using {!refine_type}, [lltype] values may
+    become invalid; use [lltypehandle] to resolve this problem. See the
+    [llvm::AbstractTypeHolder] class. *)
+type lltypehandle
+
+(** Any value in the LLVM IR. Functions, instructions, global variables,
+    constants, and much more are all [llvalues]. See the [llvm::Value] class.
+    This type covers a wide range of subclasses. *)
+type llvalue
+
+(** A basic block in LLVM IR. See the [llvm::BasicBlock] class. *)
+type llbasicblock
+
+(** Used to generate instructions in the LLVM IR. See the [llvm::LLVMBuilder]
+    class. *)
+type llbuilder
+
+(** Used to provide a module to JIT or interpreter.
+    See the [llvm::ModuleProvider] class. *)
+type llmoduleprovider
+
+(** Used to efficiently handle large buffers of read-only binary data.
+    See the [llvm::MemoryBuffer] class. *)
+type llmemorybuffer
+
+(** The kind of an [lltype], the result of [classify_type ty]. See the
+    [llvm::Type::TypeID] enumeration. *)
+module TypeKind : sig
+  type t =
+    Void
+  | Float
+  | Double
+  | X86fp80
+  | Fp128
+  | Ppc_fp128
+  | Label
+  | Metadata
+  | Integer
+  | Function
+  | Struct
+  | Array
+  | Pointer
+  | Opaque
+  | Vector
+end
+
+(** The linkage of a global value, accessed with {!linkage} and
+    {!set_linkage}. See [llvm::GlobalValue::LinkageTypes]. *)
+module Linkage : sig
+  type t =
+    External
+  | Available_externally
+  | Link_once
+  | Weak
+  | Appending
+  | Internal
+  | Dllimport
+  | Dllexport
+  | External_weak
+  | Ghost
+end
+
+(** The linker visibility of a global value, accessed with {!visibility} and
+    {!set_visibility}. See [llvm::GlobalValue::VisibilityTypes]. *)
+module Visibility : sig
+  type t =
+    Default
+  | Hidden
+  | Protected
+end
+
+(** The following calling convention values may be accessed with
+    {!function_call_conv} and {!set_function_call_conv}. Calling
+    conventions are open-ended. *)
+module CallConv : sig
+  val c : int             (** [c] is the C calling convention. *)
+  val fast : int          (** [fast] is the calling convention to allow LLVM
+                              maximum optimization opportunities. Use only with
+                              internal linkage. *)
+  val cold : int          (** [cold] is the calling convention for
+                              callee-save. *)
+  val x86_stdcall : int   (** [x86_stdcall] is the familiar stdcall calling
+                              convention from C. *)
+  val x86_fastcall : int  (** [x86_fastcall] is the familiar fastcall calling
+                              convention from C. *)
+end
+
+module Attribute : sig
+  type t =
+  | Zext
+  | Sext
+  | Noreturn
+  | Inreg
+  | Structret
+  | Nounwind
+  | Noalias
+  | Byval
+  | Nest
+  | Readnone
+  | Readonly
+end
+
+(** The predicate for an integer comparison ([icmp]) instruction.
+    See the [llvm::ICmpInst::Predicate] enumeration. *)
+module Icmp : sig
+  type t =
+  | Eq
+  | Ne
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Sgt
+  | Sge
+  | Slt
+  | Sle
+end
+
+(** The predicate for a floating-point comparison ([fcmp]) instruction.
+    See the [llvm::FCmpInst::Predicate] enumeration. *)
+module Fcmp : sig
+  type t =
+  | False
+  | Oeq
+  | Ogt
+  | Oge
+  | Olt
+  | Ole
+  | One
+  | Ord
+  | Uno
+  | Ueq
+  | Ugt
+  | Uge
+  | Ult
+  | Ule
+  | Une
+  | True
+end
+
+
+(** {6 Iteration} *)
+
+(** [Before b] and [At_end a] specify positions from the start of the ['b] list
+    of [a]. [llpos] is used to specify positions in and for forward iteration
+    through the various value lists maintained by the LLVM IR. *)
+type ('a, 'b) llpos =
+| At_end of 'a
+| Before of 'b
+
+(** [After b] and [At_start a] specify positions from the end of the ['b] list
+    of [a]. [llrev_pos] is used for reverse iteration through the various value
+    lists maintained by the LLVM IR. *)
+type ('a, 'b) llrev_pos =
+| At_start of 'a
+| After of 'b
+
+
+(** {6 Exceptions} *)
+
+exception IoError of string
+
+
+(** {6 Modules} *)
+
+(** [create_module id] creates a module with the supplied module ID. Modules are
+    not garbage collected; it is mandatory to call {!dispose_module} to free
+    memory. See the constructor [llvm::Module::Module]. *)
+external create_module : string -> llmodule = "llvm_create_module"
+
+(** [dispose_module m] destroys a module [m] and all of the IR objects it
+    contained. All references to subordinate objects are invalidated;
+    referencing them will invoke undefined behavior. See the destructor
+    [llvm::Module::~Module]. *)
+external dispose_module : llmodule -> unit = "llvm_dispose_module"
+
+(** [target_triple m] is the target specifier for the module [m], something like
+    [i686-apple-darwin8]. See the method [llvm::Module::getTargetTriple]. *)
+external target_triple: llmodule -> string
+                      = "llvm_target_triple"
+
+(** [target_triple triple m] changes the target specifier for the module [m] to
+    the string [triple]. See the method [llvm::Module::setTargetTriple]. *)
+external set_target_triple: string -> llmodule -> unit
+                          = "llvm_set_target_triple"
+
+(** [data_layout m] is the data layout specifier for the module [m], something
+    like [e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-...-a0:0:64-f80:128:128]. See the
+    method [llvm::Module::getDataLayout]. *)
+external data_layout: llmodule -> string
+                    = "llvm_data_layout"
+
+(** [set_data_layout s m] changes the data layout specifier for the module [m]
+    to the string [s]. See the method [llvm::Module::setDataLayout]. *)
+external set_data_layout: string -> llmodule -> unit
+                        = "llvm_set_data_layout"
+
+(** [define_type_name name ty m] adds a named type to the module's symbol table.
+    Returns [true] if successful. If such a name already exists, then no entry
+    is added and [false] is returned. See the [llvm::Module::addTypeName]
+    method. *)
+external define_type_name : string -> lltype -> llmodule -> bool
+                          = "llvm_add_type_name"
+
+(** [delete_type_name name] removes a type name from the module's symbol
+    table. *)
+external delete_type_name : string -> llmodule -> unit
+                          = "llvm_delete_type_name"
+
+(** [dump_module m] prints the .ll representation of the module [m] to standard
+    error. See the method [llvm::Module::dump]. *)
+external dump_module : llmodule -> unit = "llvm_dump_module"
+
+
+(** {6 Types} *)
+
+(** [classify_type ty] returns the {!TypeKind.t} corresponding to the type [ty].
+    See the method [llvm::Type::getTypeID]. *)
+external classify_type : lltype -> TypeKind.t = "llvm_classify_type"
+
+(** [string_of_lltype ty] returns a string describing the type [ty]. *)
+val string_of_lltype : lltype -> string
+
+(** {7 Operations on integer types} *)
+
+(** The 1-bit integer type. See [llvm::Type::Int1Ty]. *)
+val i1_type : lltype
+
+(** The 8-bit integer type. See [llvm::Type::Int8Ty]. *)
+val i8_type : lltype
+
+(** The 16-bit integer type. See [llvm::Type::Int16Ty]. *)
+val i16_type : lltype
+
+(** The 32-bit integer type. See [llvm::Type::Int32Ty]. *)
+val i32_type : lltype
+
+(** The 64-bit integer type. See [llvm::Type::Int64Ty]. *)
+val i64_type : lltype
+
+(** [integer_type n] returns an integer type of bitwidth [n].
+    See the method [llvm::IntegerType::get]. *)
+external integer_type : int -> lltype = "llvm_integer_type"
+
+(** [integer_bitwidth ty] returns the number of bits in the integer type [ty].
+    See the method [llvm::IntegerType::getBitWidth]. *)
+external integer_bitwidth : lltype -> int = "llvm_integer_bitwidth"
+
+
+(** {7 Operations on real types} *)
+
+(** The IEEE 32-bit floating point type. See [llvm::Type::FloatTy]. *)
+val float_type : lltype
+
+(** The IEEE 64-bit floating point type. See [llvm::Type::DoubleTy]. *)
+val double_type : lltype
+
+(** The x87 80-bit floating point type. See [llvm::Type::X86_FP80Ty]. *)
+val x86fp80_type : lltype
+
+(** The IEEE 128-bit floating point type. See [llvm::Type::FP128Ty]. *)
+val fp128_type : lltype
+
+(** The PowerPC 128-bit floating point type. See [llvm::Type::PPC_FP128Ty]. *)
+val ppc_fp128_type : lltype
+
+
+(** {7 Operations on function types} *)
+
+(** [function_type ret_ty param_tys] returns the function type returning
+    [ret_ty] and taking [param_tys] as parameters.
+    See the method [llvm::FunctionType::get]. *)
+external function_type : lltype -> lltype array -> lltype = "llvm_function_type"
+
+(** [va_arg_function_type ret_ty param_tys] is just like
+    [function_type ret_ty param_tys] except that it returns the function type
+    which also takes a variable number of arguments.
+    See the method [llvm::FunctionType::get]. *)
+external var_arg_function_type : lltype -> lltype array -> lltype
+                               = "llvm_var_arg_function_type"
+
+(** [is_var_arg fty] returns [true] if [fty] is a varargs function type, [false]
+    otherwise. See the method [llvm::FunctionType::isVarArg]. *)
+external is_var_arg : lltype -> bool = "llvm_is_var_arg"
+
+(** [return_type fty] gets the return type of the function type [fty].
+    See the method [llvm::FunctionType::getReturnType]. *)
+external return_type : lltype -> lltype = "LLVMGetReturnType"
+
+(** [param_types fty] gets the parameter types of the function type [fty].
+    See the method [llvm::FunctionType::getParamType]. *)
+external param_types : lltype -> lltype array = "llvm_param_types"
+
+
+(** {7 Operations on struct types} *)
+
+(** [struct_type tys] returns the structure type containing in the types in the
+    array [tys]. See the method [llvm::StructType::get]. *)
+external struct_type : lltype array -> lltype = "llvm_struct_type"
+
+(** [struct_type tys] returns the packed structure type containing in the types
+    in the array [tys]. See the method [llvm::StructType::get]. *)
+external packed_struct_type : lltype array -> lltype = "llvm_packed_struct_type"
+
+(** [element_types sty] returns the constituent types of the struct type [sty].
+    See the method [llvm::StructType::getElementType]. *)
+external element_types : lltype -> lltype array = "llvm_element_types"
+
+(** [is_packed sty] returns [true] if the structure type [sty] is packed,
+    [false] otherwise. See the method [llvm::StructType::isPacked]. *)
+external is_packed : lltype -> bool = "llvm_is_packed"
+
+
+(** {7 Operations on pointer, vector, and array types} *)
+
+(** [array_type ty n] returns the array type containing [n] elements of type
+    [ty]. See the method [llvm::ArrayType::get]. *)
+external array_type : lltype -> int -> lltype = "llvm_array_type"
+
+(** [pointer_type ty] returns the pointer type referencing objects of type
+    [ty] in the default address space (0).
+    See the method [llvm::PointerType::getUnqual]. *)
+external pointer_type : lltype -> lltype = "llvm_pointer_type"
+
+(** [qualified_pointer_type ty as] returns the pointer type referencing objects
+    of type [ty] in address space [as].
+    See the method [llvm::PointerType::get]. *)
+external qualified_pointer_type : lltype -> int -> lltype
+                                = "llvm_qualified_pointer_type"
+
+(** [vector_type ty n] returns the array type containing [n] elements of the
+    primitive type [ty]. See the method [llvm::ArrayType::get]. *)
+external vector_type : lltype -> int -> lltype = "llvm_vector_type"
+
+(** [element_type ty] returns the element type of the pointer, vector, or array
+    type [ty]. See the method [llvm::SequentialType::get]. *)
+external element_type : lltype -> lltype = "LLVMGetElementType"
+
+(** [element_type aty] returns the element count of the array type [aty].
+    See the method [llvm::ArrayType::getNumElements]. *)
+external array_length : lltype -> int = "llvm_array_length"
+
+(** [address_space pty] returns the address space qualifier of the pointer type
+    [pty]. See the method [llvm::PointerType::getAddressSpace]. *)
+external address_space : lltype -> int = "llvm_address_space"
+
+(** [element_type ty] returns the element count of the vector type [ty].
+    See the method [llvm::VectorType::getNumElements]. *)
+external vector_size : lltype -> int = "llvm_vector_size"
+
+
+(** {7 Operations on other types} *)
+
+(** [opaque_type ()] creates a new opaque type distinct from any other.
+    Opaque types are useful for building recursive types in combination with
+    {!refine_type}.
+    See [llvm::OpaqueType::get]. *)
+external opaque_type : unit -> lltype = "llvm_opaque_type"
+
+(** [void_type] is the type of a function which does not return any value.
+    See [llvm::Type::VoidTy]. *)
+val void_type : lltype
+
+(** [label_type] is the type of a basic block. See [llvm::Type::LabelTy]. *)
+val label_type : lltype
+
+(** {7 Operations on type handles} *)
+
+(** [handle_to_type ty] creates a handle to the type [ty]. If [ty] is later
+    refined as a result of a call to {!refine_type}, the handle will be updated;
+    any bare [lltype] references will become invalid.
+    See the class [llvm::PATypeHolder]. *)
+external handle_to_type : lltype -> lltypehandle = "llvm_handle_to_type"
+
+(** [type_of_handle tyh] resolves the type handle [tyh].
+    See the method [llvm::PATypeHolder::get()]. *)
+external type_of_handle : lltypehandle -> lltype = "llvm_type_of_handle"
+
+(** [refine_type opaque_ty ty] replaces the abstract type [opaque_ty] with the
+    concrete type [ty] in all users. Warning: This may invalidate {!lltype}
+    values! Use {!lltypehandle} to manipulate potentially abstract types. See
+    the method [llvm::Type::refineAbstractType]. *)
+external refine_type : lltype -> lltype -> unit = "llvm_refine_type"
+
+
+(* {6 Values} *)
+
+(** [type_of v] returns the type of the value [v].
+    See the method [llvm::Value::getType]. *)
+external type_of : llvalue -> lltype = "llvm_type_of"
+
+(** [value_name v] returns the name of the value [v]. For global values, this is
+    the symbol name. For instructions and basic blocks, it is the SSA register
+    name. It is meaningless for constants.
+    See the method [llvm::Value::getName]. *)
+external value_name : llvalue -> string = "llvm_value_name"
+
+(** [set_value_name n v] sets the name of the value [v] to [n]. See the method
+    [llvm::Value::setName]. *)
+external set_value_name : string -> llvalue -> unit = "llvm_set_value_name"
+
+(** [dump_value v] prints the .ll representation of the value [v] to standard
+    error. See the method [llvm::Value::dump]. *)
+external dump_value : llvalue -> unit = "llvm_dump_value"
+
+
+(** {7 Operations on constants of (mostly) any type} *)
+
+(** [is_constant v] returns [true] if the value [v] is a constant, [false]
+    otherwise. Similar to [llvm::isa<Constant>]. *)
+external is_constant : llvalue -> bool = "llvm_is_constant"
+
+(** [const_null ty] returns the constant null (zero) of the type [ty].
+    See the method [llvm::Constant::getNullValue]. *)
+external const_null : lltype -> llvalue = "LLVMConstNull"
+
+(** [const_all_ones ty] returns the constant '-1' of the integer or vector type
+    [ty]. See the method [llvm::Constant::getAllOnesValue]. *)
+external const_all_ones : (*int|vec*)lltype -> llvalue = "LLVMConstAllOnes"
+
+(** [undef ty] returns the undefined value of the type [ty].
+    See the method [llvm::UndefValue::get]. *)
+external undef : lltype -> llvalue = "LLVMGetUndef"
+
+(** [is_null v] returns [true] if the value [v] is the null (zero) value.
+    See the method [llvm::Constant::isNullValue]. *)
+external is_null : llvalue -> bool = "llvm_is_null"
+
+(** [is_undef v] returns [true] if the value [v] is an undefined value, [false]
+    otherwise. Similar to [llvm::isa<UndefValue>]. *)
+external is_undef : llvalue -> bool = "llvm_is_undef"
+
+
+(** {7 Operations on scalar constants} *)
+
+(** [const_int ty i] returns the integer constant of type [ty] and value [i].
+    See the method [llvm::ConstantInt::get]. *)
+external const_int : lltype -> int -> llvalue = "llvm_const_int"
+
+(** [const_of_int64 ty i] returns the integer constant of type [ty] and value
+    [i]. See the method [llvm::ConstantInt::get]. *)
+external const_of_int64 : lltype -> Int64.t -> bool -> llvalue
+                        = "llvm_const_of_int64"
+
+(** [const_float ty n] returns the floating point constant of type [ty] and
+    value [n]. See the method [llvm::ConstantInt::get]. *)
+external const_float : lltype -> float -> llvalue = "llvm_const_float"
+
+
+(** {7 Operations on composite constants} *)
+
+(** [const_string s] returns the constant [i8] array with the values of the
+    characters in the string [s]. The array is not null-terminated (but see
+    {!const_stringz}). This value can in turn be used as the initializer for a
+    global variable. See the method [llvm::ConstantArray::get]. *)
+external const_string : string -> llvalue = "llvm_const_string"
+
+(** [const_stringz s] returns the constant [i8] array with the values of the
+    characters in the string [s] and a null terminator. This value can in turn
+    be used as the initializer for a global variable.
+    See the method [llvm::ConstantArray::get]. *)
+external const_stringz : string -> llvalue = "llvm_const_stringz"
+
+(** [const_array ty elts] returns the constant array of type
+    [array_type ty (Array.length elts)] and containing the values [elts].
+    This value can in turn be used as the initializer for a global variable.
+    See the method [llvm::ConstantArray::get]. *)
+external const_array : lltype -> llvalue array -> llvalue = "llvm_const_array"
+
+(** [const_struct elts] returns the structured constant of type
+    [struct_type (Array.map type_of elts)] and containing the values [elts].
+    This value can in turn be used as the initializer for a global variable.
+    See the method [llvm::ConstantStruct::get]. *)
+external const_struct : llvalue array -> llvalue = "llvm_const_struct"
+
+(** [const_packed_struct elts] returns the structured constant of type
+    {!packed_struct_type} [(Array.map type_of elts)] and containing the values
+    [elts]. This value can in turn be used as the initializer for a global
+    variable. See the method [llvm::ConstantStruct::get]. *)
+external const_packed_struct : llvalue array -> llvalue
+                             = "llvm_const_packed_struct"
+
+(** [const_vector elts] returns the vector constant of type
+    [vector_type (type_of elts.(0)) (Array.length elts)] and containing the
+    values [elts]. See the method [llvm::ConstantVector::get]. *)
+external const_vector : llvalue array -> llvalue = "llvm_const_vector"
+
+
+(** {7 Constant expressions} *)
+
+(** [align_of ty] returns the alignof constant for the type [ty]. This is
+    equivalent to [const_ptrtoint (const_gep (const_null (pointer_type {i8,ty}))
+    (const_int i32_type 0) (const_int i32_type 1)) i32_type], but considerably
+    more readable.  See the method [llvm::ConstantExpr::getAlignOf]. *)
+external align_of : lltype -> llvalue = "LLVMAlignOf"
+
+(** [size_of ty] returns the sizeof constant for the type [ty]. This is
+    equivalent to [const_ptrtoint (const_gep (const_null (pointer_type ty))
+    (const_int i32_type 1)) i64_type], but considerably more readable.
+    See the method [llvm::ConstantExpr::getSizeOf]. *)
+external size_of : lltype -> llvalue = "LLVMSizeOf"
+
+(** [const_neg c] returns the arithmetic negation of the constant [c].
+    See the method [llvm::ConstantExpr::getNeg]. *)
+external const_neg : llvalue -> llvalue = "LLVMConstNeg"
+
+(** [const_not c] returns the bitwise inverse of the constant [c].
+    See the method [llvm::ConstantExpr::getNot]. *)
+external const_not : llvalue -> llvalue = "LLVMConstNot"
+
+(** [const_add c1 c2] returns the constant sum of two constants.
+    See the method [llvm::ConstantExpr::getAdd]. *)
+external const_add : llvalue -> llvalue -> llvalue = "LLVMConstAdd"
+
+(** [const_sub c1 c2] returns the constant difference, [c1 - c2], of two
+    constants. See the method [llvm::ConstantExpr::getSub]. *)
+external const_sub : llvalue -> llvalue -> llvalue = "LLVMConstSub"
+
+(** [const_mul c1 c2] returns the constant product of two constants.
+    See the method [llvm::ConstantExpr::getMul]. *)
+external const_mul : llvalue -> llvalue -> llvalue = "LLVMConstMul"
+
+(** [const_udiv c1 c2] returns the constant quotient [c1 / c2] of two unsigned
+    integer constants.
+    See the method [llvm::ConstantExpr::getUDiv]. *)
+external const_udiv : llvalue -> llvalue -> llvalue = "LLVMConstUDiv"
+
+(** [const_sdiv c1 c2] returns the constant quotient [c1 / c2] of two signed
+    integer constants.
+    See the method [llvm::ConstantExpr::]. *)
+external const_sdiv : llvalue -> llvalue -> llvalue = "LLVMConstSDiv"
+
+(** [const_fdiv c1 c2] returns the constant quotient [c1 / c2] of two floating
+    point constants.
+    See the method [llvm::ConstantExpr::getFDiv]. *)
+external const_fdiv : llvalue -> llvalue -> llvalue = "LLVMConstFDiv"
+
+(** [const_udiv c1 c2] returns the constant remainder [c1 MOD c2] of two
+    unsigned integer constants.
+    See the method [llvm::ConstantExpr::getURem]. *)
+external const_urem : llvalue -> llvalue -> llvalue = "LLVMConstURem"
+
+(** [const_sdiv c1 c2] returns the constant remainder [c1 MOD c2] of two
+    signed integer constants.
+    See the method [llvm::ConstantExpr::getSRem]. *)
+external const_srem : llvalue -> llvalue -> llvalue = "LLVMConstSRem"
+
+(** [const_frem c1 c2] returns the constant remainder [c1 MOD c2] of two
+    signed floating point constants.
+    See the method [llvm::ConstantExpr::getFRem]. *)
+external const_frem : llvalue -> llvalue -> llvalue = "LLVMConstFRem"
+
+(** [const_and c1 c2] returns the constant bitwise [AND] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getAnd]. *)
+external const_and : llvalue -> llvalue -> llvalue = "LLVMConstAnd"
+
+(** [const_or c1 c2] returns the constant bitwise [OR] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getOr]. *)
+external const_or : llvalue -> llvalue -> llvalue = "LLVMConstOr"
+
+(** [const_xor c1 c2] returns the constant bitwise [XOR] of two integer
+    constants.
+    See the method [llvm::ConstantExpr::getXor]. *)
+external const_xor : llvalue -> llvalue -> llvalue = "LLVMConstXor"
+
+(** [const_icmp pred c1 c2] returns the constant comparison of two integer
+    constants, [c1 pred c2].
+    See the method [llvm::ConstantExpr::getICmp]. *)
+external const_icmp : Icmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_icmp"
+
+(** [const_fcmp pred c1 c2] returns the constant comparison of two floating
+    point constants, [c1 pred c2].
+    See the method [llvm::ConstantExpr::getFCmp]. *)
+external const_fcmp : Fcmp.t -> llvalue -> llvalue -> llvalue
+                    = "llvm_const_fcmp"
+
+(** [const_shl c1 c2] returns the constant integer [c1] left-shifted by the
+    constant integer [c2].
+    See the method [llvm::ConstantExpr::getShl]. *)
+external const_shl : llvalue -> llvalue -> llvalue = "LLVMConstShl"
+
+(** [const_lshr c1 c2] returns the constant integer [c1] right-shifted by the
+    constant integer [c2] with zero extension.
+    See the method [llvm::ConstantExpr::getLShr]. *)
+external const_lshr : llvalue -> llvalue -> llvalue = "LLVMConstLShr"
+
+(** [const_ashr c1 c2] returns the constant integer [c1] right-shifted by the
+    constant integer [c2] with sign extension.
+    See the method [llvm::ConstantExpr::getAShr]. *)
+external const_ashr : llvalue -> llvalue -> llvalue = "LLVMConstAShr"
+
+(** [const_gep pc indices] returns the constant [getElementPtr] of [p1] with the
+    constant integers indices from the array [indices].
+    See the method [llvm::ConstantExpr::getGetElementPtr]. *)
+external const_gep : llvalue -> llvalue array -> llvalue = "llvm_const_gep"
+
+(** [const_trunc c ty] returns the constant truncation of integer constant [c]
+    to the smaller integer type [ty].
+    See the method [llvm::ConstantExpr::getTrunc]. *)
+external const_trunc : llvalue -> lltype -> llvalue = "LLVMConstTrunc"
+
+(** [const_sext c ty] returns the constant sign extension of integer constant
+    [c] to the larger integer type [ty].
+    See the method [llvm::ConstantExpr::getSExt]. *)
+external const_sext : llvalue -> lltype -> llvalue = "LLVMConstSExt"
+
+(** [const_zext c ty] returns the constant zero extension of integer constant
+    [c] to the larger integer type [ty].
+    See the method [llvm::ConstantExpr::getZExt]. *)
+external const_zext : llvalue -> lltype -> llvalue = "LLVMConstZExt"
+
+(** [const_fptrunc c ty] returns the constant truncation of floating point
+    constant [c] to the smaller floating point type [ty].
+    See the method [llvm::ConstantExpr::getFPTrunc]. *)
+external const_fptrunc : llvalue -> lltype -> llvalue = "LLVMConstFPTrunc"
+
+(** [const_fpext c ty] returns the constant extension of floating point constant
+    [c] to the larger floating point type [ty].
+    See the method [llvm::ConstantExpr::getFPExt]. *)
+external const_fpext : llvalue -> lltype -> llvalue = "LLVMConstFPExt"
+
+(** [const_uitofp c ty] returns the constant floating point conversion of
+    unsigned integer constant [c] to the floating point type [ty].
+    See the method [llvm::ConstantExpr::getUIToFP]. *)
+external const_uitofp : llvalue -> lltype -> llvalue = "LLVMConstUIToFP"
+
+(** [const_sitofp c ty] returns the constant floating point conversion of
+    signed integer constant [c] to the floating point type [ty].
+    See the method [llvm::ConstantExpr::getSIToFP]. *)
+external const_sitofp : llvalue -> lltype -> llvalue = "LLVMConstSIToFP"
+
+(** [const_fptoui c ty] returns the constant unsigned integer conversion of
+    floating point constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getFPToUI]. *)
+external const_fptoui : llvalue -> lltype -> llvalue = "LLVMConstFPToUI"
+
+(** [const_fptoui c ty] returns the constant unsigned integer conversion of
+    floating point constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getFPToSI]. *)
+external const_fptosi : llvalue -> lltype -> llvalue = "LLVMConstFPToSI"
+
+(** [const_ptrtoint c ty] returns the constant integer conversion of
+    pointer constant [c] to integer type [ty].
+    See the method [llvm::ConstantExpr::getPtrToInt]. *)
+external const_ptrtoint : llvalue -> lltype -> llvalue = "LLVMConstPtrToInt"
+
+(** [const_inttoptr c ty] returns the constant pointer conversion of
+    integer constant [c] to pointer type [ty].
+    See the method [llvm::ConstantExpr::getIntToPtr]. *)
+external const_inttoptr : llvalue -> lltype -> llvalue = "LLVMConstIntToPtr"
+
+(** [const_bitcast c ty] returns the constant bitwise conversion of constant [c]
+    to type [ty] of equal size.
+    See the method [llvm::ConstantExpr::getBitCast]. *)
+external const_bitcast : llvalue -> lltype -> llvalue = "LLVMConstBitCast"
+
+(** [const_select cond t f] returns the constant conditional which returns value
+    [t] if the boolean constant [cond] is true and the value [f] otherwise.
+    See the method [llvm::ConstantExpr::getSelect]. *)
+external const_select : llvalue -> llvalue -> llvalue -> llvalue
+                      = "LLVMConstSelect"
+
+(** [const_extractelement vec i] returns the constant [i]th element of
+    constant vector [vec]. [i] must be a constant [i32] value unsigned less than
+    the size of the vector.
+    See the method [llvm::ConstantExpr::getExtractElement]. *)
+external const_extractelement : llvalue -> llvalue -> llvalue
+                              = "LLVMConstExtractElement"
+
+(** [const_insertelement vec v i] returns the constant vector with the same
+    elements as constant vector [v] but the [i]th element replaced by the
+    constant [v]. [v] must be a constant value with the type of the vector
+    elements. [i] must be a constant [i32] value unsigned less than the size
+    of the vector.
+    See the method [llvm::ConstantExpr::getInsertElement]. *)
+external const_insertelement : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstInsertElement"
+
+(** [const_shufflevector a b mask] returns a constant [shufflevector].
+    See the LLVM Language Reference for details on the [sufflevector]
+    instruction.
+    See the method [llvm::ConstantExpr::getShuffleVector]. *)
+external const_shufflevector : llvalue -> llvalue -> llvalue -> llvalue
+                             = "LLVMConstShuffleVector"
+
+
+(** {7 Operations on global variables, functions, and aliases (globals)} *)
+
+(** [global_parent g] is the enclosing module of the global value [g].
+    See the method [llvm::GlobalValue::getParent]. *)
+external global_parent : llvalue -> llmodule = "LLVMGetGlobalParent"
+
+(** [is_declaration g] returns [true] if the global value [g] is a declaration
+    only. Returns [false] otherwise.
+    See the method [llvm::GlobalValue::isDeclaration]. *)
+external is_declaration : llvalue -> bool = "llvm_is_declaration"
+
+(** [linkage g] returns the linkage of the global value [g].
+    See the method [llvm::GlobalValue::getLinkage]. *)
+external linkage : llvalue -> Linkage.t = "llvm_linkage"
+
+(** [set_linkage l g] sets the linkage of the global value [g] to [l].
+    See the method [llvm::GlobalValue::setLinkage]. *)
+external set_linkage : Linkage.t -> llvalue -> unit = "llvm_set_linkage"
+
+(** [section g] returns the linker section of the global value [g].
+    See the method [llvm::GlobalValue::getSection]. *)
+external section : llvalue -> string = "llvm_section"
+
+(** [set_section s g] sets the linker section of the global value [g] to [s].
+    See the method [llvm::GlobalValue::setSection]. *)
+external set_section : string -> llvalue -> unit = "llvm_set_section"
+
+(** [visibility g] returns the linker visibility of the global value [g].
+    See the method [llvm::GlobalValue::getVisibility]. *)
+external visibility : llvalue -> Visibility.t = "llvm_visibility"
+
+(** [set_visibility v g] sets the linker visibility of the global value [g] to
+    [v]. See the method [llvm::GlobalValue::setVisibility]. *)
+external set_visibility : Visibility.t -> llvalue -> unit
+                        = "llvm_set_visibility"
+
+(** [alignment g] returns the required alignment of the global value [g].
+    See the method [llvm::GlobalValue::getAlignment]. *)
+external alignment : llvalue -> int = "llvm_alignment"
+
+(** [set_alignment n g] sets the required alignment of the global value [g] to
+    [n] bytes. See the method [llvm::GlobalValue::setAlignment]. *)
+external set_alignment : int -> llvalue -> unit = "llvm_set_alignment"
+
+
+(** {7 Operations on global variables} *)
+
+(** [declare_global ty name m] returns a new global variable of type [ty] and
+    with name [name] in module [m]. If such a global variable already exists,
+    it is returned. If the type of the existing global differs, then a bitcast
+    to [ty] is returned. *)
+external declare_global : lltype -> string -> llmodule -> llvalue
+                        = "llvm_declare_global"
+
+(** [define_global name init m] returns a new global with name [name] and
+    initializer [init] in module [m]. If the named global already exists, it is
+    renamed.
+    See the constructor of [llvm::GlobalVariable]. *)
+external define_global : string -> llvalue -> llmodule -> llvalue
+                       = "llvm_define_global"
+
+(** [lookup_global name m] returns [Some g] if a global variable with name
+    [name] exists in module [m]. If no such global exists, returns [None].
+    See the [llvm::GlobalVariable] constructor. *)
+external lookup_global : string -> llmodule -> llvalue option
+                       = "llvm_lookup_global"
+
+(** [delete_global gv] destroys the global variable [gv].
+    See the method [llvm::GlobalVariable::eraseFromParent]. *)
+external delete_global : llvalue -> unit = "llvm_delete_global"
+
+(** [global_begin m] returns the first position in the global variable list of
+    the module [m]. [global_begin] and [global_succ] can be used to iterate
+    over the global list in order.
+    See the method [llvm::Module::global_begin]. *)
+external global_begin : llmodule -> (llmodule, llvalue) llpos
+                      = "llvm_global_begin"
+
+(** [global_succ gv] returns the global variable list position succeeding
+    [Before gv].
+    See the method [llvm::Module::global_iterator::operator++]. *)
+external global_succ : llvalue -> (llmodule, llvalue) llpos
+                     = "llvm_global_succ"
+
+(** [iter_globals f m] applies function [f] to each of the global variables of
+    module [m] in order. Tail recursive. *)
+val iter_globals : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_left_globals f init m] is [f (... (f init g1) ...) gN] where
+    [g1,...,gN] are the global variables of module [m]. Tail recursive. *)
+val fold_left_globals : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a
+
+(** [global_end m] returns the last position in the global variable list of the
+    module [m]. [global_end] and [global_pred] can be used to iterate over the
+    global list in reverse.
+    See the method [llvm::Module::global_end]. *)
+external global_end : llmodule -> (llmodule, llvalue) llrev_pos
+                    = "llvm_global_end"
+
+(** [global_pred gv] returns the global variable list position preceding
+    [After gv].
+    See the method [llvm::Module::global_iterator::operator--]. *)
+external global_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                     = "llvm_global_pred"
+
+(** [rev_iter_globals f m] applies function [f] to each of the global variables
+    of module [m] in reverse order. Tail recursive. *)
+val rev_iter_globals : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_right_globals f m init] is [f g1 (... (f gN init) ...)] where
+    [g1,...,gN] are the global variables of module [m]. Tail recursive. *)
+val fold_right_globals : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a
+
+(** [is_global_constant gv] returns [true] if the global variabile [gv] is a
+    constant. Returns [false] otherwise.
+    See the method [llvm::GlobalVariable::isConstant]. *)
+external is_global_constant : llvalue -> bool = "llvm_is_global_constant"
+
+(** [set_global_constant c gv] sets the global variable [gv] to be a constant if
+    [c] is [true] and not if [c] is [false].
+    See the method [llvm::GlobalVariable::setConstant]. *)
+external set_global_constant : bool -> llvalue -> unit
+                             = "llvm_set_global_constant"
+
+(** [global_initializer gv] returns the initializer for the global variable
+    [gv]. See the method [llvm::GlobalVariable::getInitializer]. *)
+external global_initializer : llvalue -> llvalue = "LLVMGetInitializer"
+
+(** [set_initializer c gv] sets the initializer for the global variable
+    [gv] to the constant [c].
+    See the method [llvm::GlobalVariable::setInitializer]. *)
+external set_initializer : llvalue -> llvalue -> unit = "llvm_set_initializer"
+
+(** [remove_initializer gv] unsets the initializer for the global variable
+    [gv].
+    See the method [llvm::GlobalVariable::setInitializer]. *)
+external remove_initializer : llvalue -> unit = "llvm_remove_initializer"
+
+(** [is_thread_local gv] returns [true] if the global variable [gv] is
+    thread-local and [false] otherwise.
+    See the method [llvm::GlobalVariable::isThreadLocal]. *)
+external is_thread_local : llvalue -> bool = "llvm_is_thread_local"
+
+(** [set_thread_local c gv] sets the global variable [gv] to be thread local if
+    [c] is [true] and not otherwise.
+    See the method [llvm::GlobalVariable::setThreadLocal]. *)
+external set_thread_local : bool -> llvalue -> unit = "llvm_set_thread_local"
+
+
+(** {7 Operations on functions} *)
+
+(** [declare_function name ty m] returns a new function of type [ty] and
+    with name [name] in module [m]. If such a function already exists,
+    it is returned. If the type of the existing function differs, then a bitcast
+    to [ty] is returned. *)
+external declare_function : string -> lltype -> llmodule -> llvalue
+                          = "llvm_declare_function"
+
+(** [define_function name ty m] creates a new function with name [name] and
+    type [ty] in module [m]. If the named function already exists, it is
+    renamed. An entry basic block is created in the function.
+    See the constructor of [llvm::GlobalVariable]. *)
+external define_function : string -> lltype -> llmodule -> llvalue
+                         = "llvm_define_function"
+
+(** [lookup_function name m] returns [Some f] if a function with name
+    [name] exists in module [m]. If no such function exists, returns [None].
+    See the method [llvm::Module] constructor. *)
+external lookup_function : string -> llmodule -> llvalue option
+                         = "llvm_lookup_function"
+
+(** [delete_function f] destroys the function [f].
+    See the method [llvm::Function::eraseFromParent]. *)
+external delete_function : llvalue -> unit = "llvm_delete_function"
+
+(** [function_begin m] returns the first position in the function list of the
+    module [m]. [function_begin] and [function_succ] can be used to iterate over
+    the function list in order.
+    See the method [llvm::Module::begin]. *)
+external function_begin : llmodule -> (llmodule, llvalue) llpos
+                        = "llvm_function_begin"
+
+(** [function_succ gv] returns the function list position succeeding
+    [Before gv].
+    See the method [llvm::Module::iterator::operator++]. *)
+external function_succ : llvalue -> (llmodule, llvalue) llpos
+                       = "llvm_function_succ"
+
+(** [iter_functions f m] applies function [f] to each of the functions of module
+    [m] in order. Tail recursive. *)
+val iter_functions : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_left_function f init m] is [f (... (f init f1) ...) fN] where
+    [f1,...,fN] are the functions of module [m]. Tail recursive. *)
+val fold_left_functions : ('a -> llvalue -> 'a) -> 'a -> llmodule -> 'a
+
+(** [function_end m] returns the last position in the function list of
+    the module [m]. [function_end] and [function_pred] can be used to iterate
+    over the function list in reverse.
+    See the method [llvm::Module::end]. *)
+external function_end : llmodule -> (llmodule, llvalue) llrev_pos
+                      = "llvm_function_end"
+
+(** [function_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Module::iterator::operator--]. *)
+external function_pred : llvalue -> (llmodule, llvalue) llrev_pos
+                       = "llvm_function_pred"
+
+(** [rev_iter_functions f fn] applies function [f] to each of the functions of
+    module [m] in reverse order. Tail recursive. *)
+val rev_iter_functions : (llvalue -> unit) -> llmodule -> unit
+
+(** [fold_right_functions f m init] is [f (... (f init fN) ...) f1] where
+    [f1,...,fN] are the functions of module [m]. Tail recursive. *)
+val fold_right_functions : (llvalue -> 'a -> 'a) -> llmodule -> 'a -> 'a
+
+(** [is_intrinsic f] returns true if the function [f] is an intrinsic.
+    See the method [llvm::Function::isIntrinsic]. *)
+external is_intrinsic : llvalue -> bool = "llvm_is_intrinsic"
+
+(** [function_call_conv f] returns the calling convention of the function [f].
+    See the method [llvm::Function::getCallingConv]. *)
+external function_call_conv : llvalue -> int = "llvm_function_call_conv"
+
+(** [set_function_call_conv cc f] sets the calling convention of the function
+    [f] to the calling convention numbered [cc].
+    See the method [llvm::Function::setCallingConv]. *)
+external set_function_call_conv : int -> llvalue -> unit
+                                = "llvm_set_function_call_conv"
+
+(** [gc f] returns [Some name] if the function [f] has a garbage
+    collection algorithm specified and [None] otherwise.
+    See the method [llvm::Function::getGC]. *)
+external gc : llvalue -> string option = "llvm_gc"
+
+(** [set_gc gc f] sets the collection algorithm for the function [f] to
+    [gc]. See the method [llvm::Function::setGC]. *)
+external set_gc : string option -> llvalue -> unit = "llvm_set_gc"
+
+(** [add_function_attr f a] adds attribute [a] to the return type of function
+    [f]. *)
+external add_function_attr : llvalue -> Attribute.t -> unit
+                           = "llvm_add_function_attr"
+
+(** [remove_function_attr f a] removes attribute [a] from the return type of
+    function [f]. *)
+external remove_function_attr : llvalue -> Attribute.t -> unit
+                              = "llvm_remove_function_attr"
+
+(** {7 Operations on params} *)
+
+(** [params f] returns the parameters of function [f].
+    See the method [llvm::Function::getArgumentList]. *)
+external params : llvalue -> llvalue array = "llvm_params"
+
+(** [param f n] returns the [n]th parameter of function [f].
+    See the method [llvm::Function::getArgumentList]. *)
+external param : llvalue -> int -> llvalue = "llvm_param"
+
+(** [param_parent p] returns the parent function that owns the parameter.
+    See the method [llvm::Argument::getParent]. *)
+external param_parent : llvalue -> llvalue = "LLVMGetParamParent"
+
+(** [param_begin f] returns the first position in the parameter list of the
+    function [f]. [param_begin] and [param_succ] can be used to iterate over
+    the parameter list in order.
+    See the method [llvm::Function::arg_begin]. *)
+external param_begin : llvalue -> (llvalue, llvalue) llpos = "llvm_param_begin"
+
+(** [param_succ bb] returns the parameter list position succeeding
+    [Before bb].
+    See the method [llvm::Function::arg_iterator::operator++]. *)
+external param_succ : llvalue -> (llvalue, llvalue) llpos = "llvm_param_succ"
+
+(** [iter_params f fn] applies function [f] to each of the parameters
+    of function [fn] in order. Tail recursive. *)
+val iter_params : (llvalue -> unit) -> llvalue -> unit
+
+(** [fold_left_params f init fn] is [f (... (f init b1) ...) bN] where
+    [b1,...,bN] are the parameters of function [fn]. Tail recursive. *)
+val fold_left_params : ('a -> llvalue -> 'a) -> 'a -> llvalue -> 'a
+
+(** [param_end f] returns the last position in the parameter list of
+    the function [f]. [param_end] and [param_pred] can be used to iterate
+    over the parameter list in reverse.
+    See the method [llvm::Function::arg_end]. *)
+external param_end : llvalue -> (llvalue, llvalue) llrev_pos = "llvm_param_end"
+
+(** [param_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Function::arg_iterator::operator--]. *)
+external param_pred : llvalue -> (llvalue, llvalue) llrev_pos
+                    = "llvm_param_pred"
+
+(** [rev_iter_params f fn] applies function [f] to each of the parameters
+    of function [fn] in reverse order. Tail recursive. *)
+val rev_iter_params : (llvalue -> unit) -> llvalue -> unit
+
+(** [fold_right_params f fn init] is [f (... (f init bN) ...) b1] where
+    [b1,...,bN] are the parameters of function [fn]. Tail recursive. *)
+val fold_right_params : (llvalue -> 'a -> 'a) -> llvalue -> 'a -> 'a
+
+(** [add_param p a] adds attribute [a] to parameter [p]. *)
+external add_param_attr : llvalue -> Attribute.t -> unit = "llvm_add_param_attr"
+
+(** [remove_param_attr p a] removes attribute [a] from parameter [p]. *)
+external remove_param_attr : llvalue -> Attribute.t -> unit
+                           = "llvm_remove_param_attr"
+
+(** [set_param_alignment p a] set the alignment of parameter [p] to [a]. *)
+external set_param_alignment : llvalue -> int -> unit
+                             = "llvm_set_param_alignment"
+
+(** {7 Operations on basic blocks} *)
+
+(** [basic_blocks fn] returns the basic blocks of the function [f].
+    See the method [llvm::Function::getBasicBlockList]. *)
+external basic_blocks : llvalue -> llbasicblock array = "llvm_basic_blocks"
+
+(** [entry_block fn] returns the entry basic block of the function [f].
+    See the method [llvm::Function::getEntryBlock]. *)
+external entry_block : llvalue -> llbasicblock = "LLVMGetEntryBasicBlock"
+
+(** [delete_block bb] deletes the basic block [bb].
+    See the method [llvm::BasicBlock::eraseFromParent]. *)
+external delete_block : llbasicblock -> unit = "llvm_delete_block"
+
+(** [append_block name f] creates a new basic block named [name] at the end of
+    function [f].
+    See the constructor of [llvm::BasicBlock]. *)
+external append_block : string -> llvalue -> llbasicblock = "llvm_append_block"
+
+(** [insert_block name bb] creates a new basic block named [name] before the
+    basic block [bb].
+    See the constructor of [llvm::BasicBlock]. *)
+external insert_block : string -> llbasicblock -> llbasicblock
+                      = "llvm_insert_block"
+
+(** [block_parent bb] returns the parent function that owns the basic block.
+    See the method [llvm::BasicBlock::getParent]. *)
+external block_parent : llbasicblock -> llvalue = "LLVMGetBasicBlockParent"
+
+(** [block_begin f] returns the first position in the basic block list of the
+    function [f]. [block_begin] and [block_succ] can be used to iterate over
+    the basic block list in order.
+    See the method [llvm::Function::begin]. *)
+external block_begin : llvalue -> (llvalue, llbasicblock) llpos
+                     = "llvm_block_begin"
+
+(** [block_succ bb] returns the basic block list position succeeding
+    [Before bb].
+    See the method [llvm::Function::iterator::operator++]. *)
+external block_succ : llbasicblock -> (llvalue, llbasicblock) llpos
+                    = "llvm_block_succ"
+
+(** [iter_blocks f fn] applies function [f] to each of the basic blocks
+    of function [fn] in order. Tail recursive. *)
+val iter_blocks : (llbasicblock -> unit) -> llvalue -> unit
+
+(** [fold_left_blocks f init fn] is [f (... (f init b1) ...) bN] where
+    [b1,...,bN] are the basic blocks of function [fn]. Tail recursive. *)
+val fold_left_blocks : ('a -> llbasicblock -> 'a) -> 'a -> llvalue -> 'a
+
+(** [block_end f] returns the last position in the basic block list of
+    the function [f]. [block_end] and [block_pred] can be used to iterate
+    over the basic block list in reverse.
+    See the method [llvm::Function::end]. *)
+external block_end : llvalue -> (llvalue, llbasicblock) llrev_pos
+                   = "llvm_block_end"
+
+(** [block_pred gv] returns the function list position preceding [After gv].
+    See the method [llvm::Function::iterator::operator--]. *)
+external block_pred : llbasicblock -> (llvalue, llbasicblock) llrev_pos
+                    = "llvm_block_pred"
+
+(** [rev_iter_blocks f fn] applies function [f] to each of the basic blocks
+    of function [fn] in reverse order. Tail recursive. *)
+val rev_iter_blocks : (llbasicblock -> unit) -> llvalue -> unit
+
+(** [fold_right_blocks f fn init] is [f (... (f init bN) ...) b1] where
+    [b1,...,bN] are the basic blocks of function [fn]. Tail recursive. *)
+val fold_right_blocks : (llbasicblock -> 'a -> 'a) -> llvalue -> 'a -> 'a
+
+(** [value_of_block bb] losslessly casts [bb] to an [llvalue]. *)
+external value_of_block : llbasicblock -> llvalue = "LLVMBasicBlockAsValue"
+
+(** [value_is_block v] returns [true] if the value [v] is a basic block and
+    [false] otherwise.
+    Similar to [llvm::isa<BasicBlock>]. *)
+external value_is_block : llvalue -> bool = "llvm_value_is_block"
+
+(** [block_of_value v] losslessly casts [v] to an [llbasicblock]. *)
+external block_of_value : llvalue -> llbasicblock = "LLVMValueAsBasicBlock"
+
+
+(** {7 Operations on instructions} *)
+
+(** [instr_parent i] is the enclosing basic block of the instruction [i].
+    See the method [llvm::Instruction::getParent]. *)
+external instr_parent : llvalue -> llbasicblock = "LLVMGetInstructionParent"
+
+(** [instr_begin bb] returns the first position in the instruction list of the
+    basic block [bb]. [instr_begin] and [instr_succ] can be used to iterate over
+    the instruction list in order.
+    See the method [llvm::BasicBlock::begin]. *)
+external instr_begin : llbasicblock -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_begin"
+
+(** [instr_succ i] returns the instruction list position succeeding [Before i].
+    See the method [llvm::BasicBlock::iterator::operator++]. *)
+external instr_succ : llvalue -> (llbasicblock, llvalue) llpos
+                     = "llvm_instr_succ"
+
+(** [iter_instrs f bb] applies function [f] to each of the instructions of basic
+    block [bb] in order. Tail recursive. *)
+val iter_instrs: (llvalue -> unit) -> llbasicblock -> unit
+
+(** [fold_left_instrs f init bb] is [f (... (f init g1) ...) gN] where
+    [g1,...,gN] are the instructions of basic block [bb]. Tail recursive. *)
+val fold_left_instrs: ('a -> llvalue -> 'a) -> 'a -> llbasicblock -> 'a
+
+(** [instr_end bb] returns the last position in the instruction list of the
+    basic block [bb]. [instr_end] and [instr_pred] can be used to iterate over
+    the instruction list in reverse.
+    See the method [llvm::BasicBlock::end]. *)
+external instr_end : llbasicblock -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_end"
+
+(** [instr_pred i] returns the instruction list position preceding [After i].
+    See the method [llvm::BasicBlock::iterator::operator--]. *)
+external instr_pred : llvalue -> (llbasicblock, llvalue) llrev_pos
+                     = "llvm_instr_pred"
+
+(** [fold_right_instrs f bb init] is [f (... (f init fN) ...) f1] where
+    [f1,...,fN] are the instructions of basic block [bb]. Tail recursive. *)
+val fold_right_instrs: (llvalue -> 'a -> 'a) -> llbasicblock -> 'a -> 'a
+
+
+(** {7 Operations on call sites} *)
+
+(** [instruction_call_conv ci] is the calling convention for the call or invoke
+    instruction [ci], which may be one of the values from the module
+    {!CallConv}. See the method [llvm::CallInst::getCallingConv] and
+    [llvm::InvokeInst::getCallingConv]. *)
+external instruction_call_conv: llvalue -> int
+                              = "llvm_instruction_call_conv"
+
+(** [set_instruction_call_conv cc ci] sets the calling convention for the call
+    or invoke instruction [ci] to the integer [cc], which can be one of the
+    values from the module {!CallConv}.
+    See the method [llvm::CallInst::setCallingConv]
+    and [llvm::InvokeInst::setCallingConv]. *)
+external set_instruction_call_conv: int -> llvalue -> unit
+                                  = "llvm_set_instruction_call_conv"
+
+(** [add_instruction_param_attr ci i a] adds attribute [a] to the [i]th
+    parameter of the call or invoke instruction [ci]. [i]=0 denotes the return
+    value. *)
+external add_instruction_param_attr : llvalue -> int -> Attribute.t -> unit
+  = "llvm_add_instruction_param_attr"
+
+(** [remove_instruction_param_attr ci i a] removes attribute [a] from the
+    [i]th parameter of the call or invoke instruction [ci]. [i]=0 denotes the
+    return value. *)
+external remove_instruction_param_attr : llvalue -> int -> Attribute.t -> unit
+  = "llvm_remove_instruction_param_attr"
+
+(** {Operations on call instructions (only)} *)
+
+(** [is_tail_call ci] is [true] if the call instruction [ci] is flagged as
+    eligible for tail call optimization, [false] otherwise.
+    See the method [llvm::CallInst::isTailCall]. *)
+external is_tail_call : llvalue -> bool = "llvm_is_tail_call"
+
+(** [set_tail_call tc ci] flags the call instruction [ci] as eligible for tail
+    call optimization if [tc] is [true], clears otherwise.
+    See the method [llvm::CallInst::setTailCall]. *)
+external set_tail_call : bool -> llvalue -> unit = "llvm_set_tail_call"
+
+(** {7 Operations on phi nodes} *)
+
+(** [add_incoming (v, bb) pn] adds the value [v] to the phi node [pn] for use
+    with branches from [bb]. See the method [llvm::PHINode::addIncoming]. *)
+external add_incoming : (llvalue * llbasicblock) -> llvalue -> unit
+                      = "llvm_add_incoming"
+
+(** [incoming pn] returns the list of value-block pairs for phi node [pn].
+    See the method [llvm::PHINode::getIncomingValue]. *)
+external incoming : llvalue -> (llvalue * llbasicblock) list = "llvm_incoming"
+
+
+
+(** {6 Instruction builders} *)
+
+(** [builder ()] creates an instruction builder with no position. It is invalid
+    to use this builder until its position is set with {!position_before} or
+    {!position_at_end}. See the constructor for [llvm::LLVMBuilder]. *)
+external builder : unit -> llbuilder = "llvm_builder"
+
+(** [builder_at ip] creates an instruction builder positioned at [ip].
+    See the constructor for [llvm::LLVMBuilder]. *)
+val builder_at : (llbasicblock, llvalue) llpos -> llbuilder
+
+(** [builder_before ins] creates an instruction builder positioned before the
+    instruction [isn]. See the constructor for [llvm::LLVMBuilder]. *)
+val builder_before : llvalue -> llbuilder
+
+(** [builder_at_end bb] creates an instruction builder positioned at the end of
+    the basic block [bb]. See the constructor for [llvm::LLVMBuilder]. *)
+val builder_at_end : llbasicblock -> llbuilder
+
+(** [position_builder ip bb] moves the instruction builder [bb] to the position
+    [ip].
+    See the constructor for [llvm::LLVMBuilder]. *)
+external position_builder : (llbasicblock, llvalue) llpos -> llbuilder -> unit
+                          = "llvm_position_builder"
+
+(** [position_before ins b] moves the instruction builder [b] to before the
+    instruction [isn]. See the method [llvm::LLVMBuilder::SetInsertPoint]. *)
+val position_before : llvalue -> llbuilder -> unit
+
+(** [position_at_end bb b] moves the instruction builder [b] to the end of the
+    basic block [bb]. See the method [llvm::LLVMBuilder::SetInsertPoint]. *)
+val position_at_end : llbasicblock -> llbuilder -> unit
+
+(** [insertion_block b] returns the basic block that the builder [b] is
+    positioned to insert into. Raises [Not_Found] if the instruction builder is
+    uninitialized.
+    See the method [llvm::LLVMBuilder::GetInsertBlock]. *)
+external insertion_block : llbuilder -> llbasicblock = "llvm_insertion_block"
+
+
+(** {7 Terminators} *)
+
+(** [build_ret_void b] creates a
+    [ret void]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateRetVoid]. *)
+external build_ret_void : llbuilder -> llvalue = "llvm_build_ret_void"
+
+(** [build_ret v b] creates a
+    [ret %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateRet]. *)
+external build_ret : llvalue -> llbuilder -> llvalue = "llvm_build_ret"
+
+(** [build_br bb b] creates a
+    [b %bb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateBr]. *)
+external build_br : llbasicblock -> llbuilder -> llvalue = "llvm_build_br"
+
+(** [build_cond_br cond tbb fbb b] creates a
+    [b %cond, %tbb, %fbb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateCondBr]. *)
+external build_cond_br : llvalue -> llbasicblock -> llbasicblock -> llbuilder ->
+                         llvalue = "llvm_build_cond_br"
+
+(** [build_switch case elsebb count b] creates an empty
+    [switch %case, %elsebb]
+    instruction at the position specified by the instruction builder [b] with
+    space reserved for [count] cases.
+    See the method [llvm::LLVMBuilder::CreateSwitch]. *)
+external build_switch : llvalue -> llbasicblock -> int -> llbuilder -> llvalue
+                      = "llvm_build_switch"
+
+(** [add_case sw onval bb] causes switch instruction [sw] to branch to [bb]
+    when its input matches the constant [onval].
+    See the method [llvm::SwitchInst::addCase]. **)
+external add_case : llvalue -> llvalue -> llbasicblock -> unit
+                  = "llvm_add_case"
+
+(** [build_invoke fn args tobb unwindbb name b] creates an
+    [%name = invoke %fn(args) to %tobb unwind %unwindbb]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateInvoke]. *)
+external build_invoke : llvalue -> llvalue array -> llbasicblock ->
+                        llbasicblock -> string -> llbuilder -> llvalue
+                      = "llvm_build_invoke_bc" "llvm_build_invoke_nat"
+
+(** [build_unwind b] creates an
+    [unwind]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUnwind]. *)
+external build_unwind : llbuilder -> llvalue = "llvm_build_unwind"
+
+(** [build_unreachable b] creates an
+    [unreachable]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUnwind]. *)
+external build_unreachable : llbuilder -> llvalue = "llvm_build_unreachable"
+
+
+(** {7 Arithmetic} *)
+
+(** [build_add x y name b] creates a
+    [%name = add %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAdd]. *)
+external build_add : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_add"
+
+(** [build_sub x y name b] creates a
+    [%name = sub %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSub]. *)
+external build_sub : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_sub"
+
+(** [build_mul x y name b] creates a
+    [%name = mul %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateMul]. *)
+external build_mul : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_mul"
+
+(** [build_udiv x y name b] creates a
+    [%name = udiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUDiv]. *)
+external build_udiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_udiv"
+
+(** [build_sdiv x y name b] creates a
+    [%name = sdiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSDiv]. *)
+external build_sdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_sdiv"
+
+(** [build_fdiv x y name b] creates a
+    [%name = fdiv %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFDiv]. *)
+external build_fdiv : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_fdiv"
+
+(** [build_urem x y name b] creates a
+    [%name = urem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateURem]. *)
+external build_urem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_urem"
+
+(** [build_SRem x y name b] creates a
+    [%name = srem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSRem]. *)
+external build_srem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_srem"
+
+(** [build_frem x y name b] creates a
+    [%name = frem %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFRem]. *)
+external build_frem : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_frem"
+
+(** [build_shl x y name b] creates a
+    [%name = shl %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateShl]. *)
+external build_shl : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_shl"
+
+(** [build_lshr x y name b] creates a
+    [%name = lshr %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateLShr]. *)
+external build_lshr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_lshr"
+
+(** [build_ashr x y name b] creates a
+    [%name = ashr %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAShr]. *)
+external build_ashr : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_ashr"
+
+(** [build_and x y name b] creates a
+    [%name = and %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAnd]. *)
+external build_and : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_and"
+
+(** [build_or x y name b] creates a
+    [%name = or %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateOr]. *)
+external build_or : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                  = "llvm_build_or"
+
+(** [build_xor x y name b] creates a
+    [%name = xor %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateXor]. *)
+external build_xor : llvalue -> llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_xor"
+
+(** [build_neg x name b] creates a
+    [%name = sub 0, %x]
+    instruction at the position specified by the instruction builder [b].
+    [-0.0] is used for floating point types to compute the correct sign.
+    See the method [llvm::LLVMBuilder::CreateNeg]. *)
+external build_neg : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_neg"
+
+(** [build_xor x name b] creates a
+    [%name = xor %x, -1]
+    instruction at the position specified by the instruction builder [b].
+    [-1] is the correct "all ones" value for the type of [x].
+    See the method [llvm::LLVMBuilder::CreateXor]. *)
+external build_not : llvalue -> string -> llbuilder -> llvalue
+                   = "llvm_build_not"
+
+
+(** {7 Memory} *)
+
+(** [build_malloc ty name b] creates a
+    [%name = malloc %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_malloc : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_malloc"
+
+(** [build_array_malloc ty n name b] creates a
+    [%name = malloc %ty, %n]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateMalloc]. *)
+external build_array_malloc : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_malloc"
+
+(** [build_alloca ty name b] creates a
+    [%name = alloca %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_alloca : lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_alloca"
+
+(** [build_array_alloca ty n name b] creates a
+    [%name = alloca %ty, %n]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateAlloca]. *)
+external build_array_alloca : lltype -> llvalue -> string -> llbuilder ->
+                              llvalue = "llvm_build_array_alloca"
+
+(** [build_free v b] creates a
+    [free %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFree]. *)
+external build_free : llvalue -> llbuilder -> llvalue = "llvm_build_free"
+
+(** [build_load v name b] creates a
+    [%name = load %v]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateLoad]. *)
+external build_load : llvalue -> string -> llbuilder -> llvalue
+                    = "llvm_build_load"
+
+(** [build_store v p b] creates a
+    [store %v, %p]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateStore]. *)
+external build_store : llvalue -> llvalue -> llbuilder -> llvalue
+                     = "llvm_build_store"
+
+(** [build_gep p indices name b] creates a
+    [%name = gep %p, indices...]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateGetElementPtr]. *)
+external build_gep : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                   = "llvm_build_gep"
+
+
+(** {7 Casts} *)
+
+(** [build_trunc v ty name b] creates a
+    [%name = trunc %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateTrunc]. *)
+external build_trunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_trunc"
+
+(** [build_zext v ty name b] creates a
+    [%name = zext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateZExt]. *)
+external build_zext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_zext"
+
+(** [build_sext v ty name b] creates a
+    [%name = sext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSExt]. *)
+external build_sext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                    = "llvm_build_sext"
+
+(** [build_fptoui v ty name b] creates a
+    [%name = fptoui %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPToUI]. *)
+external build_fptoui : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptoui"
+
+(** [build_fptosi v ty name b] creates a
+    [%name = fptosi %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPToSI]. *)
+external build_fptosi : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_fptosi"
+
+(** [build_uitofp v ty name b] creates a
+    [%name = uitofp %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateUIToFP]. *)
+external build_uitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_uitofp"
+
+(** [build_sitofp v ty name b] creates a
+    [%name = sitofp %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSIToFP]. *)
+external build_sitofp : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_sitofp"
+
+(** [build_fptrunc v ty name b] creates a
+    [%name = fptrunc %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPTrunc]. *)
+external build_fptrunc : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_fptrunc"
+
+(** [build_fpext v ty name b] creates a
+    [%name = fpext %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFPExt]. *)
+external build_fpext : llvalue -> lltype -> string -> llbuilder -> llvalue
+                     = "llvm_build_fpext"
+
+(** [build_ptrtoint v ty name b] creates a
+    [%name = prtotint %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreatePtrToInt]. *)
+external build_ptrtoint : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_prttoint"
+
+(** [build_inttoptr v ty name b] creates a
+    [%name = inttoptr %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateIntToPtr]. *)
+external build_inttoptr : llvalue -> lltype -> string -> llbuilder -> llvalue
+                        = "llvm_build_inttoptr"
+
+(** [build_bitcast v ty name b] creates a
+    [%name = bitcast %p to %ty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateBitcast]. *)
+external build_bitcast : llvalue -> lltype -> string -> llbuilder -> llvalue
+                       = "llvm_build_bitcast"
+
+
+(** {7 Comparisons} *)
+
+(** [build_icmp pred x y name b] creates a
+    [%name = icmp %pred %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateICmp]. *)
+external build_icmp : Icmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_icmp"
+
+(** [build_fcmp pred x y name b] creates a
+    [%name = fcmp %pred %x, %y]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateFCmp]. *)
+external build_fcmp : Fcmp.t -> llvalue -> llvalue -> string ->
+                      llbuilder -> llvalue = "llvm_build_fcmp"
+
+
+(** {7 Miscellaneous instructions} *)
+
+(** [build_phi incoming name b] creates a
+    [%name = phi %incoming]
+    instruction at the position specified by the instruction builder [b].
+    [incoming] is a list of [(llvalue, llbasicblock)] tuples.
+    See the method [llvm::LLVMBuilder::CreatePHI]. *)
+external build_phi : (llvalue * llbasicblock) list -> string -> llbuilder ->
+                     llvalue = "llvm_build_phi"
+
+(** [build_call fn args name b] creates a
+    [%name = call %fn(args...)]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateCall]. *)
+external build_call : llvalue -> llvalue array -> string -> llbuilder -> llvalue
+                    = "llvm_build_call"
+
+(** [build_select cond thenv elsev name b] creates a
+    [%name = select %cond, %thenv, %elsev]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateSelect]. *)
+external build_select : llvalue -> llvalue -> llvalue -> string -> llbuilder ->
+                        llvalue = "llvm_build_select"
+
+(** [build_va_arg valist argty name b] creates a
+    [%name = va_arg %valist, %argty]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateVAArg]. *)
+external build_va_arg : llvalue -> lltype -> string -> llbuilder -> llvalue
+                      = "llvm_build_va_arg"
+
+(** [build_extractelement vec i name b] creates a
+    [%name = extractelement %vec, %i]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateExtractElement]. *)
+external build_extractelement : llvalue -> llvalue -> string -> llbuilder ->
+                                llvalue = "llvm_build_extractelement"
+
+(** [build_insertelement vec elt i name b] creates a
+    [%name = insertelement %vec, %elt, %i]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateInsertElement]. *)
+external build_insertelement : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_insertelement"
+
+(** [build_shufflevector veca vecb mask name b] creates a
+    [%name = shufflevector %veca, %vecb, %mask]
+    instruction at the position specified by the instruction builder [b].
+    See the method [llvm::LLVMBuilder::CreateShuffleVector]. *)
+external build_shufflevector : llvalue -> llvalue -> llvalue -> string ->
+                               llbuilder -> llvalue = "llvm_build_shufflevector"
+
+
+(** {6 Module providers} *)
+
+module ModuleProvider : sig
+  (** [create_module_provider m] encapsulates [m] in a module provider and takes
+      ownership of the module. See the constructor
+      [llvm::ExistingModuleProvider::ExistingModuleProvider]. *)
+  external create : llmodule -> llmoduleprovider
+                  = "LLVMCreateModuleProviderForExistingModule"
+  
+  (** [dispose_module_provider mp] destroys the module provider [mp] as well as
+      the contained module. *)
+  external dispose : llmoduleprovider -> unit = "llvm_dispose_module_provider"
+end
+
+
+(** {6 Memory buffers} *)
+
+module MemoryBuffer : sig
+  (** [of_file p] is the memory buffer containing the contents of the file at
+      path [p]. If the file could not be read, then [IoError msg] is
+      raised. *)
+  external of_file : string -> llmemorybuffer = "llvm_memorybuffer_of_file"
+  
+  (** [stdin ()] is the memory buffer containing the contents of standard input.
+      If standard input is empty, then [IoError msg] is raised. *)
+  external of_stdin : unit -> llmemorybuffer = "llvm_memorybuffer_of_stdin"
+  
+  (** Disposes of a memory buffer. *)
+  external dispose : llmemorybuffer -> unit = "llvm_memorybuffer_dispose"
+end
+
+
+(** {6 Pass Managers} *)
+
+module PassManager : sig
+  (**  *)
+  type 'a t
+  type any = [ `Module | `Function ]
+  
+  (** [PassManager.create ()] constructs a new whole-module pass pipeline. This
+      type of pipeline is suitable for link-time optimization and whole-module
+      transformations.
+      See the constructor of [llvm::PassManager]. *)
+  external create : unit -> [ `Module ] t = "llvm_passmanager_create"
+  
+  (** [PassManager.create_function mp] constructs a new function-by-function
+      pass pipeline over the module provider [mp]. It does not take ownership of
+      [mp]. This type of pipeline is suitable for code generation and JIT
+      compilation tasks.
+      See the constructor of [llvm::FunctionPassManager]. *)
+  external create_function : llmoduleprovider -> [ `Function ] t
+                           = "LLVMCreateFunctionPassManager"
+  
+  (** [run_module m pm] initializes, executes on the module [m], and finalizes
+      all of the passes scheduled in the pass manager [pm]. Returns [true] if
+      any of the passes modified the module, [false] otherwise.
+      See the [llvm::PassManager::run] method. *)
+  external run_module : llmodule -> [ `Module ] t -> bool
+                      = "llvm_passmanager_run_module"
+  
+  (** [initialize fpm] initializes all of the function passes scheduled in the
+      function pass manager [fpm]. Returns [true] if any of the passes modified
+      the module, [false] otherwise.
+      See the [llvm::FunctionPassManager::doInitialization] method. *)
+  external initialize : [ `Function ] t -> bool = "llvm_passmanager_initialize"
+  
+  (** [run_function f fpm] executes all of the function passes scheduled in the
+      function pass manager [fpm] over the function [f]. Returns [true] if any
+      of the passes modified [f], [false] otherwise.
+      See the [llvm::FunctionPassManager::run] method. *)
+  external run_function : llvalue -> [ `Function ] t -> bool
+                        = "llvm_passmanager_run_function"
+  
+  (** [finalize fpm] finalizes all of the function passes scheduled in in the
+      function pass manager [fpm]. Returns [true] if any of the passes
+      modified the module, [false] otherwise.
+      See the [llvm::FunctionPassManager::doFinalization] method. *)
+  external finalize : [ `Function ] t -> bool = "llvm_passmanager_finalize"
+  
+  (** Frees the memory of a pass pipeline. For function pipelines, does not free
+      the module provider.
+      See the destructor of [llvm::BasePassManager]. *)
+  external dispose : [< any ] t -> unit = "llvm_passmanager_dispose"
+end
diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
new file mode 100644
index 000000000000..c4eba13db0fd
--- /dev/null
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -0,0 +1,1336 @@
+/*===-- llvm_ocaml.c - LLVM Ocaml Glue --------------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/Core.h"
+#include "caml/alloc.h"
+#include "caml/custom.h"
+#include "caml/memory.h"
+#include "caml/fail.h"
+#include "caml/callback.h"
+#include "llvm/Config/config.h"
+#include <assert.h>
+#include <stdlib.h>
+
+
+/* Can't use the recommended caml_named_value mechanism for backwards
+   compatibility reasons. This is largely equivalent. */
+static value llvm_ioerror_exn;
+
+CAMLprim value llvm_register_core_exns(value IoError) {
+  llvm_ioerror_exn = Field(IoError, 0);
+  register_global_root(&llvm_ioerror_exn);
+  return Val_unit;
+}
+
+static void llvm_raise(value Prototype, char *Message) {
+  CAMLparam1(Prototype);
+  CAMLlocal1(CamlMessage);
+  
+  CamlMessage = copy_string(Message);
+  LLVMDisposeMessage(Message);
+  
+  raise_with_arg(Prototype, CamlMessage);
+  abort(); /* NOTREACHED */
+#ifdef CAMLnoreturn
+  CAMLnoreturn; /* Silences warnings, but is missing in some versions. */
+#endif
+}
+
+static value alloc_variant(int tag, void *Value) {
+  value Iter = alloc_small(1, tag);
+  Field(Iter, 0) = Val_op(Value);
+  return Iter;
+}
+
+/* Macro to convert the C first/next/last/prev idiom to the Ocaml llpos/
+   llrev_pos idiom. */
+#define DEFINE_ITERATORS(camlname, cname, pty, cty, pfun) \
+  /* llmodule -> ('a, 'b) llpos */                        \
+  CAMLprim value llvm_##camlname##_begin(pty Mom) {       \
+    cty First = LLVMGetFirst##cname(Mom);                 \
+    if (First)                                            \
+      return alloc_variant(1, First);                     \
+    return alloc_variant(0, Mom);                         \
+  }                                                       \
+                                                          \
+  /* llvalue -> ('a, 'b) llpos */                         \
+  CAMLprim value llvm_##camlname##_succ(cty Kid) {        \
+    cty Next = LLVMGetNext##cname(Kid);                   \
+    if (Next)                                             \
+      return alloc_variant(1, Next);                      \
+    return alloc_variant(0, pfun(Kid));                   \
+  }                                                       \
+                                                          \
+  /* llmodule -> ('a, 'b) llrev_pos */                    \
+  CAMLprim value llvm_##camlname##_end(pty Mom) {         \
+    cty Last = LLVMGetLast##cname(Mom);                   \
+    if (Last)                                             \
+      return alloc_variant(1, Last);                      \
+    return alloc_variant(0, Mom);                         \
+  }                                                       \
+                                                          \
+  /* llvalue -> ('a, 'b) llrev_pos */                     \
+  CAMLprim value llvm_##camlname##_pred(cty Kid) {        \
+    cty Prev = LLVMGetPrevious##cname(Kid);               \
+    if (Prev)                                             \
+      return alloc_variant(1, Prev);                      \
+    return alloc_variant(0, pfun(Kid));                   \
+  }
+
+
+/*===-- Modules -----------------------------------------------------------===*/
+
+/* string -> llmodule */
+CAMLprim LLVMModuleRef llvm_create_module(value ModuleID) {
+  return LLVMModuleCreateWithName(String_val(ModuleID));
+}
+
+/* llmodule -> unit */
+CAMLprim value llvm_dispose_module(LLVMModuleRef M) {
+  LLVMDisposeModule(M);
+  return Val_unit;
+}
+
+/* llmodule -> string */
+CAMLprim value llvm_target_triple(LLVMModuleRef M) {
+  return copy_string(LLVMGetTarget(M));
+}
+
+/* string -> llmodule -> unit */
+CAMLprim value llvm_set_target_triple(value Trip, LLVMModuleRef M) {
+  LLVMSetTarget(M, String_val(Trip));
+  return Val_unit;
+}
+
+/* llmodule -> string */
+CAMLprim value llvm_data_layout(LLVMModuleRef M) {
+  return copy_string(LLVMGetDataLayout(M));
+}
+
+/* string -> llmodule -> unit */
+CAMLprim value llvm_set_data_layout(value Layout, LLVMModuleRef M) {
+  LLVMSetDataLayout(M, String_val(Layout));
+  return Val_unit;
+}
+
+/* string -> lltype -> llmodule -> bool */
+CAMLprim value llvm_add_type_name(value Name, LLVMTypeRef Ty, LLVMModuleRef M) {
+  int res = LLVMAddTypeName(M, String_val(Name), Ty);
+  return Val_bool(res == 0);
+}
+
+/* string -> llmodule -> unit */
+CAMLprim value llvm_delete_type_name(value Name, LLVMModuleRef M) {
+  LLVMDeleteTypeName(M, String_val(Name));
+  return Val_unit;
+}
+
+/* llmodule -> unit */
+CAMLprim value llvm_dump_module(LLVMModuleRef M) {
+  LLVMDumpModule(M);
+  return Val_unit;
+}
+
+
+/*===-- Types -------------------------------------------------------------===*/
+
+/* lltype -> TypeKind.t */
+CAMLprim value llvm_classify_type(LLVMTypeRef Ty) {
+  return Val_int(LLVMGetTypeKind(Ty));
+}
+
+/*--... Operations on integer types ........................................--*/
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_i1_type (value Unit) { return LLVMInt1Type();  }
+CAMLprim LLVMTypeRef llvm_i8_type (value Unit) { return LLVMInt8Type();  }
+CAMLprim LLVMTypeRef llvm_i16_type(value Unit) { return LLVMInt16Type(); }
+CAMLprim LLVMTypeRef llvm_i32_type(value Unit) { return LLVMInt32Type(); }
+CAMLprim LLVMTypeRef llvm_i64_type(value Unit) { return LLVMInt64Type(); }
+
+/* int -> lltype */
+CAMLprim LLVMTypeRef llvm_integer_type(value Width) {
+  return LLVMIntType(Int_val(Width));
+}
+
+/* lltype -> int */
+CAMLprim value llvm_integer_bitwidth(LLVMTypeRef IntegerTy) {
+  return Val_int(LLVMGetIntTypeWidth(IntegerTy));
+}
+
+/*--... Operations on real types ...........................................--*/
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_float_type(value Unit) {
+  return LLVMFloatType();
+}
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_double_type(value Unit) {
+  return LLVMDoubleType();
+}
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_x86fp80_type(value Unit) {
+  return LLVMX86FP80Type();
+}
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_fp128_type(value Unit) {
+  return LLVMFP128Type();
+}
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_ppc_fp128_type(value Unit) {
+  return LLVMPPCFP128Type();
+}
+
+/*--... Operations on function types .......................................--*/
+
+/* lltype -> lltype array -> lltype */
+CAMLprim LLVMTypeRef llvm_function_type(LLVMTypeRef RetTy, value ParamTys) {
+  return LLVMFunctionType(RetTy, (LLVMTypeRef *) ParamTys,
+                          Wosize_val(ParamTys), 0);
+}
+
+/* lltype -> lltype array -> lltype */
+CAMLprim LLVMTypeRef llvm_var_arg_function_type(LLVMTypeRef RetTy,
+                                                value ParamTys) {
+  return LLVMFunctionType(RetTy, (LLVMTypeRef *) ParamTys,
+                          Wosize_val(ParamTys), 1);
+}
+
+/* lltype -> bool */
+CAMLprim value llvm_is_var_arg(LLVMTypeRef FunTy) {
+  return Val_bool(LLVMIsFunctionVarArg(FunTy));
+}
+
+/* lltype -> lltype array */
+CAMLprim value llvm_param_types(LLVMTypeRef FunTy) {
+  value Tys = alloc(LLVMCountParamTypes(FunTy), 0);
+  LLVMGetParamTypes(FunTy, (LLVMTypeRef *) Tys);
+  return Tys;
+}
+
+/*--... Operations on struct types .........................................--*/
+
+/* lltype array -> lltype */
+CAMLprim LLVMTypeRef llvm_struct_type(value ElementTypes) {
+  return LLVMStructType((LLVMTypeRef *) ElementTypes,
+                        Wosize_val(ElementTypes), 0);
+}
+
+/* lltype array -> lltype */
+CAMLprim LLVMTypeRef llvm_packed_struct_type(value ElementTypes) {
+  return LLVMStructType((LLVMTypeRef *) ElementTypes,
+                        Wosize_val(ElementTypes), 1);
+}
+
+/* lltype -> lltype array */
+CAMLprim value llvm_element_types(LLVMTypeRef StructTy) {
+  value Tys = alloc(LLVMCountStructElementTypes(StructTy), 0);
+  LLVMGetStructElementTypes(StructTy, (LLVMTypeRef *) Tys);
+  return Tys;
+}
+
+/* lltype -> bool */
+CAMLprim value llvm_is_packed(LLVMTypeRef StructTy) {
+  return Val_bool(LLVMIsPackedStruct(StructTy));
+}
+
+/*--... Operations on array, pointer, and vector types .....................--*/
+
+/* lltype -> int -> lltype */
+CAMLprim LLVMTypeRef llvm_array_type(LLVMTypeRef ElementTy, value Count) {
+  return LLVMArrayType(ElementTy, Int_val(Count));
+}
+
+/* lltype -> lltype */
+CAMLprim LLVMTypeRef llvm_pointer_type(LLVMTypeRef ElementTy) {
+  return LLVMPointerType(ElementTy, 0);
+}
+
+/* lltype -> int -> lltype */
+CAMLprim LLVMTypeRef llvm_qualified_pointer_type(LLVMTypeRef ElementTy,
+                                                 value AddressSpace) {
+  return LLVMPointerType(ElementTy, Int_val(AddressSpace));
+}
+
+/* lltype -> int -> lltype */
+CAMLprim LLVMTypeRef llvm_vector_type(LLVMTypeRef ElementTy, value Count) {
+  return LLVMVectorType(ElementTy, Int_val(Count));
+}
+
+/* lltype -> int */
+CAMLprim value llvm_array_length(LLVMTypeRef ArrayTy) {
+  return Val_int(LLVMGetArrayLength(ArrayTy));
+}
+
+/* lltype -> int */
+CAMLprim value llvm_address_space(LLVMTypeRef PtrTy) {
+  return Val_int(LLVMGetPointerAddressSpace(PtrTy));
+}
+
+/* lltype -> int */
+CAMLprim value llvm_vector_size(LLVMTypeRef VectorTy) {
+  return Val_int(LLVMGetVectorSize(VectorTy));
+}
+
+/*--... Operations on other types ..........................................--*/
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_void_type (value Unit) { return LLVMVoidType();  }
+CAMLprim LLVMTypeRef llvm_label_type(value Unit) { return LLVMLabelType(); }
+
+/* unit -> lltype */
+CAMLprim LLVMTypeRef llvm_opaque_type(value Unit) {
+  return LLVMOpaqueType();
+}
+
+/*--... Operations on type handles .........................................--*/
+
+#define Typehandle_val(v)  (*(LLVMTypeHandleRef *)(Data_custom_val(v)))
+
+static void llvm_finalize_handle(value TH) {
+  LLVMDisposeTypeHandle(Typehandle_val(TH));
+}
+
+static struct custom_operations typehandle_ops = {
+  (char *) "LLVMTypeHandle",
+  llvm_finalize_handle,
+  custom_compare_default,
+  custom_hash_default,
+  custom_serialize_default,
+  custom_deserialize_default
+};
+
+CAMLprim value llvm_handle_to_type(LLVMTypeRef PATy) {
+  value TH = alloc_custom(&typehandle_ops, sizeof(LLVMBuilderRef), 0, 1);
+  Typehandle_val(TH) = LLVMCreateTypeHandle(PATy);
+  return TH;
+}
+
+CAMLprim LLVMTypeRef llvm_type_of_handle(value TH) {
+  return LLVMResolveTypeHandle(Typehandle_val(TH));
+}
+
+CAMLprim value llvm_refine_type(LLVMTypeRef AbstractTy, LLVMTypeRef ConcreteTy){
+  LLVMRefineType(AbstractTy, ConcreteTy);
+  return Val_unit;
+}
+
+
+/*===-- VALUES ------------------------------------------------------------===*/
+
+/* llvalue -> lltype */
+CAMLprim LLVMTypeRef llvm_type_of(LLVMValueRef Val) {
+  return LLVMTypeOf(Val);
+}
+
+/* llvalue -> string */
+CAMLprim value llvm_value_name(LLVMValueRef Val) {
+  return copy_string(LLVMGetValueName(Val));
+}
+
+/* string -> llvalue -> unit */
+CAMLprim value llvm_set_value_name(value Name, LLVMValueRef Val) {
+  LLVMSetValueName(Val, String_val(Name));
+  return Val_unit;
+}
+
+/* llvalue -> unit */
+CAMLprim value llvm_dump_value(LLVMValueRef Val) {
+  LLVMDumpValue(Val);
+  return Val_unit;
+}
+
+/*--... Operations on constants of (mostly) any type .......................--*/
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_constant(LLVMValueRef Val) {
+  return Val_bool(LLVMIsConstant(Val));
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_null(LLVMValueRef Val) {
+  return Val_bool(LLVMIsNull(Val));
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_undef(LLVMValueRef Val) {
+  return Val_bool(LLVMIsUndef(Val));
+}
+
+/*--... Operations on scalar constants .....................................--*/
+
+/* lltype -> int -> llvalue */
+CAMLprim LLVMValueRef llvm_const_int(LLVMTypeRef IntTy, value N) {
+  return LLVMConstInt(IntTy, (long long) Int_val(N), 1);
+}
+
+/* lltype -> Int64.t -> bool -> llvalue */
+CAMLprim LLVMValueRef llvm_const_of_int64(LLVMTypeRef IntTy, value N,
+                                          value SExt) {
+  return LLVMConstInt(IntTy, Int64_val(N), Bool_val(SExt));
+}
+
+/* lltype -> float -> llvalue */
+CAMLprim LLVMValueRef llvm_const_float(LLVMTypeRef RealTy, value N) {
+  return LLVMConstReal(RealTy, Double_val(N));
+}
+
+/*--... Operations on composite constants ..................................--*/
+
+/* string -> llvalue */
+CAMLprim LLVMValueRef llvm_const_string(value Str, value NullTerminate) {
+  return LLVMConstString(String_val(Str), string_length(Str), 1);
+}
+
+/* string -> llvalue */
+CAMLprim LLVMValueRef llvm_const_stringz(value Str, value NullTerminate) {
+  return LLVMConstString(String_val(Str), string_length(Str), 0);
+}
+
+/* lltype -> llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_const_array(LLVMTypeRef ElementTy,
+                                               value ElementVals) {
+  return LLVMConstArray(ElementTy, (LLVMValueRef*) Op_val(ElementVals),
+                        Wosize_val(ElementVals));
+}
+
+/* llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_const_struct(value ElementVals) {
+  return LLVMConstStruct((LLVMValueRef *) Op_val(ElementVals),
+                         Wosize_val(ElementVals), 0);
+}
+
+/* llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_const_packed_struct(value ElementVals) {
+  return LLVMConstStruct((LLVMValueRef *) Op_val(ElementVals),
+                         Wosize_val(ElementVals), 1);
+}
+
+/* llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_const_vector(value ElementVals) {
+  return LLVMConstVector((LLVMValueRef*) Op_val(ElementVals),
+                         Wosize_val(ElementVals));
+}
+
+/*--... Constant expressions ...............................................--*/
+
+/* Icmp.t -> llvalue -> llvalue -> llvalue */
+CAMLprim LLVMValueRef llvm_const_icmp(value Pred,
+                                      LLVMValueRef LHSConstant,
+                                      LLVMValueRef RHSConstant) {
+  return LLVMConstICmp(Int_val(Pred) + LLVMIntEQ, LHSConstant, RHSConstant);
+}
+
+/* Fcmp.t -> llvalue -> llvalue -> llvalue */
+CAMLprim LLVMValueRef llvm_const_fcmp(value Pred,
+                                      LLVMValueRef LHSConstant,
+                                      LLVMValueRef RHSConstant) {
+  return LLVMConstFCmp(Int_val(Pred), LHSConstant, RHSConstant);
+}
+
+/* llvalue -> llvalue array -> llvalue */
+CAMLprim LLVMValueRef llvm_const_gep(LLVMValueRef ConstantVal, value Indices) {
+  return LLVMConstGEP(ConstantVal, (LLVMValueRef*) Op_val(Indices),
+                      Wosize_val(Indices));
+}
+
+/*--... Operations on global variables, functions, and aliases (globals) ...--*/
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_declaration(LLVMValueRef Global) {
+  return Val_bool(LLVMIsDeclaration(Global));
+}
+
+/* llvalue -> Linkage.t */
+CAMLprim value llvm_linkage(LLVMValueRef Global) {
+  return Val_int(LLVMGetLinkage(Global));
+}
+
+/* Linkage.t -> llvalue -> unit */
+CAMLprim value llvm_set_linkage(value Linkage, LLVMValueRef Global) {
+  LLVMSetLinkage(Global, Int_val(Linkage));
+  return Val_unit;
+}
+
+/* llvalue -> string */
+CAMLprim value llvm_section(LLVMValueRef Global) {
+  return copy_string(LLVMGetSection(Global));
+}
+
+/* string -> llvalue -> unit */
+CAMLprim value llvm_set_section(value Section, LLVMValueRef Global) {
+  LLVMSetSection(Global, String_val(Section));
+  return Val_unit;
+}
+
+/* llvalue -> Visibility.t */
+CAMLprim value llvm_visibility(LLVMValueRef Global) {
+  return Val_int(LLVMGetVisibility(Global));
+}
+
+/* Visibility.t -> llvalue -> unit */
+CAMLprim value llvm_set_visibility(value Viz, LLVMValueRef Global) {
+  LLVMSetVisibility(Global, Int_val(Viz));
+  return Val_unit;
+}
+
+/* llvalue -> int */
+CAMLprim value llvm_alignment(LLVMValueRef Global) {
+  return Val_int(LLVMGetAlignment(Global));
+}
+
+/* int -> llvalue -> unit */
+CAMLprim value llvm_set_alignment(value Bytes, LLVMValueRef Global) {
+  LLVMSetAlignment(Global, Int_val(Bytes));
+  return Val_unit;
+}
+
+/*--... Operations on global variables .....................................--*/
+
+DEFINE_ITERATORS(global, Global, LLVMModuleRef, LLVMValueRef,
+                 LLVMGetGlobalParent)
+
+/* lltype -> string -> llmodule -> llvalue */
+CAMLprim LLVMValueRef llvm_declare_global(LLVMTypeRef Ty, value Name,
+                                          LLVMModuleRef M) {
+  LLVMValueRef GlobalVar;
+  if ((GlobalVar = LLVMGetNamedGlobal(M, String_val(Name)))) {
+    if (LLVMGetElementType(LLVMTypeOf(GlobalVar)) != Ty)
+      return LLVMConstBitCast(GlobalVar, LLVMPointerType(Ty, 0));
+    return GlobalVar;
+  }
+  return LLVMAddGlobal(M, Ty, String_val(Name));
+}
+
+/* string -> llmodule -> llvalue option */
+CAMLprim value llvm_lookup_global(value Name, LLVMModuleRef M) {
+  CAMLparam1(Name);
+  LLVMValueRef GlobalVar;
+  if ((GlobalVar = LLVMGetNamedGlobal(M, String_val(Name)))) {
+    value Option = alloc(1, 0);
+    Field(Option, 0) = (value) GlobalVar;
+    CAMLreturn(Option);
+  }
+  CAMLreturn(Val_int(0));
+}
+
+/* string -> llvalue -> llmodule -> llvalue */
+CAMLprim LLVMValueRef llvm_define_global(value Name, LLVMValueRef Initializer,
+                                         LLVMModuleRef M) {
+  LLVMValueRef GlobalVar = LLVMAddGlobal(M, LLVMTypeOf(Initializer),
+                                         String_val(Name));
+  LLVMSetInitializer(GlobalVar, Initializer);
+  return GlobalVar;
+}
+
+/* llvalue -> unit */
+CAMLprim value llvm_delete_global(LLVMValueRef GlobalVar) {
+  LLVMDeleteGlobal(GlobalVar);
+  return Val_unit;
+}
+
+/* llvalue -> llvalue -> unit */
+CAMLprim value llvm_set_initializer(LLVMValueRef ConstantVal,
+                                    LLVMValueRef GlobalVar) {
+  LLVMSetInitializer(GlobalVar, ConstantVal);
+  return Val_unit;
+}
+
+/* llvalue -> unit */
+CAMLprim value llvm_remove_initializer(LLVMValueRef GlobalVar) {
+  LLVMSetInitializer(GlobalVar, NULL);
+  return Val_unit;
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_thread_local(LLVMValueRef GlobalVar) {
+  return Val_bool(LLVMIsThreadLocal(GlobalVar));
+}
+
+/* bool -> llvalue -> unit */
+CAMLprim value llvm_set_thread_local(value IsThreadLocal,
+                                     LLVMValueRef GlobalVar) {
+  LLVMSetThreadLocal(GlobalVar, Bool_val(IsThreadLocal));
+  return Val_unit;
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_global_constant(LLVMValueRef GlobalVar) {
+  return Val_bool(LLVMIsGlobalConstant(GlobalVar));
+}
+
+/* bool -> llvalue -> unit */
+CAMLprim value llvm_set_global_constant(value Flag, LLVMValueRef GlobalVar) {
+  LLVMSetGlobalConstant(GlobalVar, Bool_val(Flag));
+  return Val_unit;
+}
+
+/*--... Operations on functions ............................................--*/
+
+DEFINE_ITERATORS(function, Function, LLVMModuleRef, LLVMValueRef,
+                 LLVMGetGlobalParent)
+
+/* string -> lltype -> llmodule -> llvalue */
+CAMLprim LLVMValueRef llvm_declare_function(value Name, LLVMTypeRef Ty,
+                                            LLVMModuleRef M) {
+  LLVMValueRef Fn;
+  if ((Fn = LLVMGetNamedFunction(M, String_val(Name)))) {
+    if (LLVMGetElementType(LLVMTypeOf(Fn)) != Ty)
+      return LLVMConstBitCast(Fn, LLVMPointerType(Ty, 0));
+    return Fn;
+  }
+  return LLVMAddFunction(M, String_val(Name), Ty);
+}
+
+/* string -> llmodule -> llvalue option */
+CAMLprim value llvm_lookup_function(value Name, LLVMModuleRef M) {
+  CAMLparam1(Name);
+  LLVMValueRef Fn;
+  if ((Fn = LLVMGetNamedFunction(M, String_val(Name)))) {
+    value Option = alloc(1, 0);
+    Field(Option, 0) = (value) Fn;
+    CAMLreturn(Option);
+  }
+  CAMLreturn(Val_int(0));
+}
+
+/* string -> lltype -> llmodule -> llvalue */
+CAMLprim LLVMValueRef llvm_define_function(value Name, LLVMTypeRef Ty,
+                                           LLVMModuleRef M) {
+  LLVMValueRef Fn = LLVMAddFunction(M, String_val(Name), Ty);
+  LLVMAppendBasicBlock(Fn, "entry");
+  return Fn;
+}
+
+/* llvalue -> unit */
+CAMLprim value llvm_delete_function(LLVMValueRef Fn) {
+  LLVMDeleteFunction(Fn);
+  return Val_unit;
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_intrinsic(LLVMValueRef Fn) {
+  return Val_bool(LLVMGetIntrinsicID(Fn));
+}
+
+/* llvalue -> int */
+CAMLprim value llvm_function_call_conv(LLVMValueRef Fn) {
+  return Val_int(LLVMGetFunctionCallConv(Fn));
+}
+
+/* int -> llvalue -> unit */
+CAMLprim value llvm_set_function_call_conv(value Id, LLVMValueRef Fn) {
+  LLVMSetFunctionCallConv(Fn, Int_val(Id));
+  return Val_unit;
+}
+
+/* llvalue -> string option */
+CAMLprim value llvm_gc(LLVMValueRef Fn) {
+  const char *GC;
+  CAMLparam0();
+  CAMLlocal2(Name, Option);
+  
+  if ((GC = LLVMGetGC(Fn))) {
+    Name = copy_string(GC);
+    
+    Option = alloc(1, 0);
+    Field(Option, 0) = Name;
+    CAMLreturn(Option);
+  } else {
+    CAMLreturn(Val_int(0));
+  }
+}
+
+/* string option -> llvalue -> unit */
+CAMLprim value llvm_set_gc(value GC, LLVMValueRef Fn) {
+  LLVMSetGC(Fn, GC == Val_int(0)? 0 : String_val(Field(GC, 0)));
+  return Val_unit;
+}
+
+/* llvalue -> Attribute.t -> unit */
+CAMLprim value llvm_add_function_attr(LLVMValueRef Arg, value PA) {
+  LLVMAddFunctionAttr(Arg, 1<<Int_val(PA));
+  return Val_unit;
+}
+
+/* llvalue -> Attribute.t -> unit */
+CAMLprim value llvm_remove_function_attr(LLVMValueRef Arg, value PA) {
+  LLVMRemoveFunctionAttr(Arg, 1<<Int_val(PA));
+  return Val_unit;
+}
+/*--... Operations on parameters ...........................................--*/
+
+DEFINE_ITERATORS(param, Param, LLVMValueRef, LLVMValueRef, LLVMGetParamParent)
+
+/* llvalue -> int -> llvalue */
+CAMLprim LLVMValueRef llvm_param(LLVMValueRef Fn, value Index) {
+  return LLVMGetParam(Fn, Int_val(Index));
+}
+
+/* llvalue -> int -> llvalue */
+CAMLprim value llvm_params(LLVMValueRef Fn, value Index) {
+  value Params = alloc(LLVMCountParams(Fn), 0);
+  LLVMGetParams(Fn, (LLVMValueRef *) Op_val(Params));
+  return Params;
+}
+
+/* llvalue -> Attribute.t -> unit */
+CAMLprim value llvm_add_param_attr(LLVMValueRef Arg, value PA) {
+  LLVMAddAttribute(Arg, 1<<Int_val(PA));
+  return Val_unit;
+}
+
+/* llvalue -> Attribute.t -> unit */
+CAMLprim value llvm_remove_param_attr(LLVMValueRef Arg, value PA) {
+  LLVMRemoveAttribute(Arg, 1<<Int_val(PA));
+  return Val_unit;
+}
+
+/* llvalue -> int -> unit */
+CAMLprim value llvm_set_param_alignment(LLVMValueRef Arg, value align) {
+  LLVMSetParamAlignment(Arg, Int_val(align));
+  return Val_unit;
+}
+
+/*--... Operations on basic blocks .........................................--*/
+
+DEFINE_ITERATORS(
+  block, BasicBlock, LLVMValueRef, LLVMBasicBlockRef, LLVMGetBasicBlockParent)
+
+/* llvalue -> llbasicblock array */
+CAMLprim value llvm_basic_blocks(LLVMValueRef Fn) {
+  value MLArray = alloc(LLVMCountBasicBlocks(Fn), 0);
+  LLVMGetBasicBlocks(Fn, (LLVMBasicBlockRef *) Op_val(MLArray));
+  return MLArray;
+}
+
+/* llbasicblock -> unit */
+CAMLprim value llvm_delete_block(LLVMBasicBlockRef BB) {
+  LLVMDeleteBasicBlock(BB);
+  return Val_unit;
+}
+
+/* string -> llvalue -> llbasicblock */
+CAMLprim LLVMBasicBlockRef llvm_append_block(value Name, LLVMValueRef Fn) {
+  return LLVMAppendBasicBlock(Fn, String_val(Name));
+}
+
+/* string -> llbasicblock -> llbasicblock */
+CAMLprim LLVMBasicBlockRef llvm_insert_block(value Name, LLVMBasicBlockRef BB) {
+  return LLVMInsertBasicBlock(BB, String_val(Name));
+}
+
+/* llvalue -> bool */
+CAMLprim value llvm_value_is_block(LLVMValueRef Val) {
+  return Val_bool(LLVMValueIsBasicBlock(Val));
+}
+
+/*--... Operations on instructions .........................................--*/
+
+DEFINE_ITERATORS(instr, Instruction, LLVMBasicBlockRef, LLVMValueRef,
+                 LLVMGetInstructionParent)
+
+
+/*--... Operations on call sites ...........................................--*/
+
+/* llvalue -> int */
+CAMLprim value llvm_instruction_call_conv(LLVMValueRef Inst) {
+  return Val_int(LLVMGetInstructionCallConv(Inst));
+}
+
+/* int -> llvalue -> unit */
+CAMLprim value llvm_set_instruction_call_conv(value CC, LLVMValueRef Inst) {
+  LLVMSetInstructionCallConv(Inst, Int_val(CC));
+  return Val_unit;
+}
+
+/* llvalue -> int -> Attribute.t -> unit */
+CAMLprim value llvm_add_instruction_param_attr(LLVMValueRef Instr,
+                                               value index,
+                                               value PA) {
+  LLVMAddInstrAttribute(Instr, Int_val(index), 1<<Int_val(PA));
+  return Val_unit;
+}
+
+/* llvalue -> int -> Attribute.t -> unit */
+CAMLprim value llvm_remove_instruction_param_attr(LLVMValueRef Instr,
+                                                  value index,
+                                                  value PA) {
+  LLVMRemoveInstrAttribute(Instr, Int_val(index), 1<<Int_val(PA));
+  return Val_unit;
+}
+
+/*--... Operations on call instructions (only) .............................--*/
+
+/* llvalue -> bool */
+CAMLprim value llvm_is_tail_call(LLVMValueRef CallInst) {
+  return Val_bool(LLVMIsTailCall(CallInst));
+}
+
+/* bool -> llvalue -> unit */
+CAMLprim value llvm_set_tail_call(value IsTailCall,
+                                  LLVMValueRef CallInst) {
+  LLVMSetTailCall(CallInst, Bool_val(IsTailCall));
+  return Val_unit;
+}
+
+/*--... Operations on phi nodes ............................................--*/
+
+/* (llvalue * llbasicblock) -> llvalue -> unit */
+CAMLprim value llvm_add_incoming(value Incoming, LLVMValueRef PhiNode) {
+  LLVMAddIncoming(PhiNode,
+                  (LLVMValueRef*) &Field(Incoming, 0),
+                  (LLVMBasicBlockRef*) &Field(Incoming, 1),
+                  1);
+  return Val_unit;
+}
+
+/* llvalue -> (llvalue * llbasicblock) list */
+CAMLprim value llvm_incoming(LLVMValueRef PhiNode) {
+  unsigned I;
+  CAMLparam0();
+  CAMLlocal3(Hd, Tl, Tmp);
+  
+  /* Build a tuple list of them. */
+  Tl = Val_int(0);
+  for (I = LLVMCountIncoming(PhiNode); I != 0; ) {
+    Hd = alloc(2, 0);
+    Store_field(Hd, 0, (value) LLVMGetIncomingValue(PhiNode, --I));
+    Store_field(Hd, 1, (value) LLVMGetIncomingBlock(PhiNode, I));
+    
+    Tmp = alloc(2, 0);
+    Store_field(Tmp, 0, Hd);
+    Store_field(Tmp, 1, Tl);
+    Tl = Tmp;
+  }
+  
+  CAMLreturn(Tl);
+}
+
+
+/*===-- Instruction builders ----------------------------------------------===*/
+
+#define Builder_val(v)  (*(LLVMBuilderRef *)(Data_custom_val(v)))
+
+static void llvm_finalize_builder(value B) {
+  LLVMDisposeBuilder(Builder_val(B));
+}
+
+static struct custom_operations builder_ops = {
+  (char *) "IRBuilder",
+  llvm_finalize_builder,
+  custom_compare_default,
+  custom_hash_default,
+  custom_serialize_default,
+  custom_deserialize_default
+};
+
+static value alloc_builder(LLVMBuilderRef B) {
+  value V = alloc_custom(&builder_ops, sizeof(LLVMBuilderRef), 0, 1);
+  Builder_val(V) = B;
+  return V;
+}
+
+/* unit-> llbuilder */
+CAMLprim value llvm_builder(value Unit) {
+  return alloc_builder(LLVMCreateBuilder());
+}
+
+/* (llbasicblock, llvalue) llpos -> llbuilder -> unit */
+CAMLprim value llvm_position_builder(value Pos, value B) {
+  if (Tag_val(Pos) == 0) {
+    LLVMBasicBlockRef BB = (LLVMBasicBlockRef) Op_val(Field(Pos, 0));
+    LLVMPositionBuilderAtEnd(Builder_val(B), BB);
+  } else {
+    LLVMValueRef I = (LLVMValueRef) Op_val(Field(Pos, 0));
+    LLVMPositionBuilderBefore(Builder_val(B), I);
+  }
+  return Val_unit;
+}
+
+/* llbuilder -> llbasicblock */
+CAMLprim LLVMBasicBlockRef llvm_insertion_block(LLVMBuilderRef B) {
+  LLVMBasicBlockRef InsertBlock = LLVMGetInsertBlock(Builder_val(B));
+  if (!InsertBlock)
+    raise_not_found();
+  return InsertBlock;
+}
+
+/*--... Terminators ........................................................--*/
+
+/* llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_ret_void(value B) {
+  return LLVMBuildRetVoid(Builder_val(B));
+}
+
+/* llvalue -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_ret(LLVMValueRef Val, value B) {
+  return LLVMBuildRet(Builder_val(B), Val);
+}
+
+/* llbasicblock -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_br(LLVMBasicBlockRef BB, value B) {
+  return LLVMBuildBr(Builder_val(B), BB);
+}
+
+/* llvalue -> llbasicblock -> llbasicblock -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_cond_br(LLVMValueRef If,
+                                         LLVMBasicBlockRef Then,
+                                         LLVMBasicBlockRef Else,
+                                         value B) {
+  return LLVMBuildCondBr(Builder_val(B), If, Then, Else);
+}
+
+/* llvalue -> llbasicblock -> int -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_switch(LLVMValueRef Of,
+                                        LLVMBasicBlockRef Else,
+                                        value EstimatedCount,
+                                        value B) {
+  return LLVMBuildSwitch(Builder_val(B), Of, Else, Int_val(EstimatedCount));
+}
+
+CAMLprim value llvm_add_case(LLVMValueRef Switch,
+                             LLVMValueRef OnVal,
+                             LLVMBasicBlockRef Dest) {
+  LLVMAddCase(Switch, OnVal, Dest);
+  return Val_unit;
+}
+
+/* llvalue -> llvalue array -> llbasicblock -> llbasicblock -> string ->
+   llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_invoke_nat(LLVMValueRef Fn, value Args,
+                                            LLVMBasicBlockRef Then,
+                                            LLVMBasicBlockRef Catch,
+                                            value Name, value B) {
+  return LLVMBuildInvoke(Builder_val(B), Fn, (LLVMValueRef *) Op_val(Args),
+                         Wosize_val(Args), Then, Catch, String_val(Name));
+}
+
+/* llvalue -> llvalue array -> llbasicblock -> llbasicblock -> string ->
+   llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_invoke_bc(value Args[], int NumArgs) {
+  return llvm_build_invoke_nat((LLVMValueRef) Args[0], Args[1],
+                               (LLVMBasicBlockRef) Args[2],
+                               (LLVMBasicBlockRef) Args[3],
+                               Args[4], Args[5]);
+}
+
+/* llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_unwind(value B) {
+  return LLVMBuildUnwind(Builder_val(B));
+}
+
+/* llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_unreachable(value B) {
+  return LLVMBuildUnreachable(Builder_val(B));
+}
+
+/*--... Arithmetic .........................................................--*/
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_add(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildAdd(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_sub(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildSub(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_mul(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildMul(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_udiv(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildUDiv(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_sdiv(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildSDiv(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fdiv(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildFDiv(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_urem(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildURem(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_srem(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildSRem(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_frem(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildFRem(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_shl(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildShl(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_lshr(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildLShr(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_ashr(LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildAShr(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_and(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildAnd(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_or(LLVMValueRef LHS, LLVMValueRef RHS,
+                                    value Name, value B) {
+  return LLVMBuildOr(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_xor(LLVMValueRef LHS, LLVMValueRef RHS,
+                                     value Name, value B) {
+  return LLVMBuildXor(Builder_val(B), LHS, RHS, String_val(Name));
+}
+
+/* llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_neg(LLVMValueRef X,
+                                     value Name, value B) {
+  return LLVMBuildNeg(Builder_val(B), X, String_val(Name));
+}
+
+/* llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_not(LLVMValueRef X,
+                                     value Name, value B) {
+  return LLVMBuildNot(Builder_val(B), X, String_val(Name));
+}
+
+/*--... Memory .............................................................--*/
+
+/* lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_malloc(LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildMalloc(Builder_val(B), Ty, String_val(Name));
+}
+
+/* lltype -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_array_malloc(LLVMTypeRef Ty, LLVMValueRef Size,
+                                              value Name, value B) {
+  return LLVMBuildArrayMalloc(Builder_val(B), Ty, Size, String_val(Name));
+}
+
+/* lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_alloca(LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildAlloca(Builder_val(B), Ty, String_val(Name));
+}
+
+/* lltype -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_array_alloca(LLVMTypeRef Ty, LLVMValueRef Size,
+                                              value Name, value B) {
+  return LLVMBuildArrayAlloca(Builder_val(B), Ty, Size, String_val(Name));
+}
+
+/* llvalue -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_free(LLVMValueRef Pointer, value B) {
+  return LLVMBuildFree(Builder_val(B), Pointer);
+}
+
+/* llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_load(LLVMValueRef Pointer,
+                                      value Name, value B) {
+  return LLVMBuildLoad(Builder_val(B), Pointer, String_val(Name));
+}
+
+/* llvalue -> llvalue -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_store(LLVMValueRef Value, LLVMValueRef Pointer,
+                                       value B) {
+  return LLVMBuildStore(Builder_val(B), Value, Pointer);
+}
+
+/* llvalue -> llvalue array -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_gep(LLVMValueRef Pointer, value Indices,
+                                     value Name, value B) {
+  return LLVMBuildGEP(Builder_val(B), Pointer,
+                      (LLVMValueRef *) Op_val(Indices), Wosize_val(Indices),
+                      String_val(Name));
+}
+
+/*--... Casts ..............................................................--*/
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_trunc(LLVMValueRef X, LLVMTypeRef Ty,
+                                       value Name, value B) {
+  return LLVMBuildTrunc(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_zext(LLVMValueRef X, LLVMTypeRef Ty,
+                                      value Name, value B) {
+  return LLVMBuildZExt(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_sext(LLVMValueRef X, LLVMTypeRef Ty,
+                                      value Name, value B) {
+  return LLVMBuildSExt(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fptoui(LLVMValueRef X, LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildFPToUI(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fptosi(LLVMValueRef X, LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildFPToSI(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_uitofp(LLVMValueRef X, LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildUIToFP(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_sitofp(LLVMValueRef X, LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildSIToFP(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fptrunc(LLVMValueRef X, LLVMTypeRef Ty,
+                                         value Name, value B) {
+  return LLVMBuildFPTrunc(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fpext(LLVMValueRef X, LLVMTypeRef Ty,
+                                       value Name, value B) {
+  return LLVMBuildFPExt(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_prttoint(LLVMValueRef X, LLVMTypeRef Ty,
+                                          value Name, value B) {
+  return LLVMBuildPtrToInt(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_inttoptr(LLVMValueRef X, LLVMTypeRef Ty,
+                                          value Name, value B) {
+  return LLVMBuildIntToPtr(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_bitcast(LLVMValueRef X, LLVMTypeRef Ty,
+                                         value Name, value B) {
+  return LLVMBuildBitCast(Builder_val(B), X, Ty, String_val(Name));
+}
+
+/*--... Comparisons ........................................................--*/
+
+/* Icmp.t -> llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_icmp(value Pred,
+                                      LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildICmp(Builder_val(B), Int_val(Pred) + LLVMIntEQ, LHS, RHS,
+                       String_val(Name));
+}
+
+/* Fcmp.t -> llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_fcmp(value Pred,
+                                      LLVMValueRef LHS, LLVMValueRef RHS,
+                                      value Name, value B) {
+  return LLVMBuildFCmp(Builder_val(B), Int_val(Pred), LHS, RHS,
+                       String_val(Name));
+}
+
+/*--... Miscellaneous instructions .........................................--*/
+
+/* (llvalue * llbasicblock) list -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_phi(value Incoming, value Name, value B) {
+  value Hd, Tl;
+  LLVMValueRef FirstValue, PhiNode;
+  
+  assert(Incoming != Val_int(0) && "Empty list passed to Llvm.build_phi!");
+  
+  Hd = Field(Incoming, 0);
+  FirstValue = (LLVMValueRef) Field(Hd, 0);
+  PhiNode = LLVMBuildPhi(Builder_val(B), LLVMTypeOf(FirstValue),
+                         String_val(Name));
+
+  for (Tl = Incoming; Tl != Val_int(0); Tl = Field(Tl, 1)) {
+    value Hd = Field(Tl, 0);
+    LLVMAddIncoming(PhiNode, (LLVMValueRef*) &Field(Hd, 0),
+                    (LLVMBasicBlockRef*) &Field(Hd, 1), 1);
+  }
+  
+  return PhiNode;
+}
+
+/* llvalue -> llvalue array -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_call(LLVMValueRef Fn, value Params,
+                                      value Name, value B) {
+  return LLVMBuildCall(Builder_val(B), Fn, (LLVMValueRef *) Op_val(Params),
+                       Wosize_val(Params), String_val(Name));
+}
+
+/* llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_select(LLVMValueRef If,
+                                        LLVMValueRef Then, LLVMValueRef Else,
+                                        value Name, value B) {
+  return LLVMBuildSelect(Builder_val(B), If, Then, Else, String_val(Name));
+}
+
+/* llvalue -> lltype -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_va_arg(LLVMValueRef List, LLVMTypeRef Ty,
+                                        value Name, value B) {
+  return LLVMBuildVAArg(Builder_val(B), List, Ty, String_val(Name));
+}
+
+/* llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_extractelement(LLVMValueRef Vec,
+                                                LLVMValueRef Idx,
+                                                value Name, value B) {
+  return LLVMBuildExtractElement(Builder_val(B), Vec, Idx, String_val(Name));
+}
+
+/* llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_insertelement(LLVMValueRef Vec,
+                                               LLVMValueRef Element,
+                                               LLVMValueRef Idx,
+                                               value Name, value B) {
+  return LLVMBuildInsertElement(Builder_val(B), Vec, Element, Idx, 
+                                String_val(Name));
+}
+
+/* llvalue -> llvalue -> llvalue -> string -> llbuilder -> llvalue */
+CAMLprim LLVMValueRef llvm_build_shufflevector(LLVMValueRef V1, LLVMValueRef V2,
+                                               LLVMValueRef Mask,
+                                               value Name, value B) {
+  return LLVMBuildShuffleVector(Builder_val(B), V1, V2, Mask, String_val(Name));
+}
+
+
+/*===-- Module Providers --------------------------------------------------===*/
+
+/* llmoduleprovider -> unit */
+CAMLprim value llvm_dispose_module_provider(LLVMModuleProviderRef MP) {
+  LLVMDisposeModuleProvider(MP);
+  return Val_unit;
+}
+
+
+/*===-- Memory buffers ----------------------------------------------------===*/
+
+/* string -> llmemorybuffer
+   raises IoError msg on error */
+CAMLprim value llvm_memorybuffer_of_file(value Path) {
+  CAMLparam1(Path);
+  char *Message;
+  LLVMMemoryBufferRef MemBuf;
+  
+  if (LLVMCreateMemoryBufferWithContentsOfFile(String_val(Path),
+                                               &MemBuf, &Message))
+    llvm_raise(llvm_ioerror_exn, Message);
+  
+  CAMLreturn((value) MemBuf);
+}
+
+/* unit -> llmemorybuffer
+   raises IoError msg on error */
+CAMLprim LLVMMemoryBufferRef llvm_memorybuffer_of_stdin(value Unit) {
+  char *Message;
+  LLVMMemoryBufferRef MemBuf;
+  
+  if (LLVMCreateMemoryBufferWithSTDIN(&MemBuf, &Message))
+    llvm_raise(llvm_ioerror_exn, Message);
+  
+  return MemBuf;
+}
+
+/* llmemorybuffer -> unit */
+CAMLprim value llvm_memorybuffer_dispose(LLVMMemoryBufferRef MemBuf) {
+  LLVMDisposeMemoryBuffer(MemBuf);
+  return Val_unit;
+}
+
+/*===-- Pass Managers -----------------------------------------------------===*/
+
+/* unit -> [ `Module ] PassManager.t */
+CAMLprim LLVMPassManagerRef llvm_passmanager_create(value Unit) {
+  return LLVMCreatePassManager();
+}
+
+/* llmodule -> [ `Function ] PassManager.t -> bool */
+CAMLprim value llvm_passmanager_run_module(LLVMModuleRef M,
+                                           LLVMPassManagerRef PM) {
+  return Val_bool(LLVMRunPassManager(PM, M));
+}
+
+/* [ `Function ] PassManager.t -> bool */
+CAMLprim value llvm_passmanager_initialize(LLVMPassManagerRef FPM) {
+  return Val_bool(LLVMInitializeFunctionPassManager(FPM));
+}
+
+/* llvalue -> [ `Function ] PassManager.t -> bool */
+CAMLprim value llvm_passmanager_run_function(LLVMValueRef F,
+                                             LLVMPassManagerRef FPM) {
+  return Val_bool(LLVMRunFunctionPassManager(FPM, F));
+}
+
+/* [ `Function ] PassManager.t -> bool */
+CAMLprim value llvm_passmanager_finalize(LLVMPassManagerRef FPM) {
+  return Val_bool(LLVMFinalizeFunctionPassManager(FPM));
+}
+
+/* PassManager.any PassManager.t -> unit */
+CAMLprim value llvm_passmanager_dispose(LLVMPassManagerRef PM) {
+  LLVMDisposePassManager(PM);
+  return Val_unit;
+}
diff --git a/bindings/ocaml/target/Makefile b/bindings/ocaml/target/Makefile
new file mode 100644
index 000000000000..5cd677b76656
--- /dev/null
+++ b/bindings/ocaml/target/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/target/Makefile ----------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+#
+# This is the makefile for the Objective Caml Llvm_target interface.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+LIBRARYNAME := llvm_target
+DONT_BUILD_RELINKED := 1
+UsedComponents := target
+UsedOcamlInterfaces := llvm
+
+include ../Makefile.ocaml
diff --git a/bindings/ocaml/target/llvm_target.ml b/bindings/ocaml/target/llvm_target.ml
new file mode 100644
index 000000000000..ea5341d5e8b2
--- /dev/null
+++ b/bindings/ocaml/target/llvm_target.ml
@@ -0,0 +1,44 @@
+(*===-- llvm_target.ml - LLVM Ocaml Interface ------------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+module Endian = struct
+  type t =
+  | Big
+  | Little
+end
+
+module TargetData = struct
+  type t
+
+  external create : string -> t = "llvm_targetdata_create"
+  external add : t -> [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+               = "llvm_targetdata_add"
+  external as_string : t -> string = "llvm_targetdata_as_string"
+  external invalidate_struct_layout : t -> Llvm.lltype -> unit
+                                    = "llvm_targetdata_invalidate_struct_layout"
+  external dispose : t -> unit = "llvm_targetdata_dispose"
+end
+
+external byte_order : TargetData.t -> Endian.t = "llvm_byte_order"
+external pointer_size : TargetData.t -> int = "llvm_pointer_size"
+external intptr_type : TargetData.t -> Llvm.lltype = "LLVMIntPtrType"
+external size_in_bits : TargetData.t -> Llvm.lltype -> Int64.t
+                      = "llvm_size_in_bits"
+external store_size : TargetData.t -> Llvm.lltype -> Int64.t = "llvm_store_size"
+external abi_size : TargetData.t -> Llvm.lltype -> Int64.t = "llvm_abi_size"
+external abi_align : TargetData.t -> Llvm.lltype -> int = "llvm_abi_align"
+external stack_align : TargetData.t -> Llvm.lltype -> int = "llvm_stack_align"
+external preferred_align : TargetData.t -> Llvm.lltype -> int
+                         = "llvm_preferred_align"
+external preferred_align_of_global : TargetData.t -> Llvm.llvalue -> int
+                                   = "llvm_preferred_align_of_global"
+external element_at_offset : TargetData.t -> Llvm.lltype -> Int64.t -> int
+                           = "llvm_element_at_offset"
+external offset_of_element : TargetData.t -> Llvm.lltype -> int -> Int64.t
+                           = "llvm_offset_of_element"
diff --git a/bindings/ocaml/target/llvm_target.mli b/bindings/ocaml/target/llvm_target.mli
new file mode 100644
index 000000000000..a82e1b684fad
--- /dev/null
+++ b/bindings/ocaml/target/llvm_target.mli
@@ -0,0 +1,102 @@
+(*===-- llvm_target.mli - LLVM Ocaml Interface -----------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Target Information.
+
+    This interface provides an ocaml API for LLVM target information,
+    the classes in the Target library. *)
+
+module Endian : sig
+  type t =
+  | Big
+  | Little
+end
+
+module TargetData : sig
+  type t
+
+  (** [TargetData.create rep] parses the target data string representation [rep].
+      See the constructor llvm::TargetData::TargetData. *)
+  external create : string -> t = "llvm_targetdata_create"
+
+  (** [add_target_data td pm] adds the target data [td] to the pass manager [pm].
+      Does not take ownership of the target data.
+      See the method llvm::PassManagerBase::add. *)
+  external add : t -> [<Llvm.PassManager.any] Llvm.PassManager.t -> unit
+               = "llvm_targetdata_add"
+
+  (** [as_string td] is the string representation of the target data [td].
+      See the constructor llvm::TargetData::TargetData. *)
+  external as_string : t -> string = "llvm_targetdata_as_string"
+
+  (** Struct layouts are speculatively cached. If a TargetDataRef is alive when
+      types are being refined and removed, this method must be called whenever a
+      struct type is removed to avoid a dangling pointer in this cache.
+      See the method llvm::TargetData::InvalidateStructLayoutInfo. *)
+  external invalidate_struct_layout : t -> Llvm.lltype -> unit
+                                    = "llvm_targetdata_invalidate_struct_layout"
+
+  (** Deallocates a TargetData.
+      See the destructor llvm::TargetData::~TargetData. *)
+  external dispose : t -> unit = "llvm_targetdata_dispose"
+end
+
+(** Returns the byte order of a target, either LLVMBigEndian or
+    LLVMLittleEndian.
+    See the method llvm::TargetData::isLittleEndian. *)
+external byte_order : TargetData.t -> Endian.t = "llvm_byte_order"
+
+(** Returns the pointer size in bytes for a target.
+    See the method llvm::TargetData::getPointerSize. *)
+external pointer_size : TargetData.t -> int = "llvm_pointer_size"
+
+(** Returns the integer type that is the same size as a pointer on a target.
+    See the method llvm::TargetData::getIntPtrType. *)
+external intptr_type : TargetData.t -> Llvm.lltype = "LLVMIntPtrType"
+
+(** Computes the size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeSizeInBits. *)
+external size_in_bits : TargetData.t -> Llvm.lltype -> Int64.t
+                      = "llvm_size_in_bits"
+
+(** Computes the storage size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeStoreSize. *)
+external store_size : TargetData.t -> Llvm.lltype -> Int64.t = "llvm_store_size"
+
+(** Computes the ABI size of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeAllocSize. *)
+external abi_size : TargetData.t -> Llvm.lltype -> Int64.t = "llvm_abi_size"
+
+(** Computes the ABI alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. *)
+external abi_align : TargetData.t -> Llvm.lltype -> int = "llvm_abi_align"
+
+(** Computes the call frame alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. *)
+external stack_align : TargetData.t -> Llvm.lltype -> int = "llvm_stack_align"
+
+(** Computes the preferred alignment of a type in bytes for a target.
+    See the method llvm::TargetData::getTypeABISize. *)
+external preferred_align : TargetData.t -> Llvm.lltype -> int
+                         = "llvm_preferred_align"
+
+(** Computes the preferred alignment of a global variable in bytes for a target.
+    See the method llvm::TargetData::getPreferredAlignment. *)
+external preferred_align_of_global : TargetData.t -> Llvm.llvalue -> int
+                                   = "llvm_preferred_align_of_global"
+
+(** Computes the structure element that contains the byte offset for a target.
+    See the method llvm::StructLayout::getElementContainingOffset. *)
+external element_at_offset : TargetData.t -> Llvm.lltype -> Int64.t -> int
+                           = "llvm_element_at_offset"
+
+(** Computes the byte offset of the indexed struct element for a target.
+    See the method llvm::StructLayout::getElementContainingOffset. *)
+external offset_of_element : TargetData.t -> Llvm.lltype -> int -> Int64.t
+                           = "llvm_offset_of_element"
diff --git a/bindings/ocaml/target/target_ocaml.c b/bindings/ocaml/target/target_ocaml.c
new file mode 100644
index 000000000000..cc20e8187a7a
--- /dev/null
+++ b/bindings/ocaml/target/target_ocaml.c
@@ -0,0 +1,109 @@
+/*===-- target_ocaml.c - LLVM Ocaml Glue ------------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/Target.h"
+#include "caml/alloc.h"
+
+/* string -> TargetData.t */
+CAMLprim LLVMTargetDataRef llvm_targetdata_create(value StringRep) {
+  return LLVMCreateTargetData(String_val(StringRep));
+}
+
+/* TargetData.t -> [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_targetdata_add(LLVMTargetDataRef TD, LLVMPassManagerRef PM){
+  LLVMAddTargetData(TD, PM);
+  return Val_unit;
+}
+
+/* TargetData.t -> string */
+CAMLprim value llvm_targetdata_as_string(LLVMTargetDataRef TD) {
+  char *StringRep = LLVMCopyStringRepOfTargetData(TD);
+  value Copy = copy_string(StringRep);
+  LLVMDisposeMessage(StringRep);
+  return Copy;
+}
+
+/* TargetData.t -> Llvm.lltype -> unit */
+CAMLprim value llvm_targetdata_invalidate_struct_layout(LLVMTargetDataRef TD,
+                                                        LLVMTypeRef Ty) {
+  LLVMInvalidateStructLayout(TD, Ty);
+  return Val_unit;
+}
+
+/* TargetData.t -> unit */
+CAMLprim value llvm_targetdata_dispose(LLVMTargetDataRef TD) {
+  LLVMDisposeTargetData(TD);
+  return Val_unit;
+}
+
+/* TargetData.t -> Endian.t */
+CAMLprim value llvm_byte_order(LLVMTargetDataRef TD) {
+  return Val_int(LLVMByteOrder(TD));
+}
+
+/* TargetData.t -> int */
+CAMLprim value llvm_pointer_size(LLVMTargetDataRef TD) {
+  return Val_int(LLVMPointerSize(TD));
+}
+
+/* TargetData.t -> Llvm.lltype -> Int64.t */
+CAMLprim value llvm_size_in_bits(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return caml_copy_int64(LLVMSizeOfTypeInBits(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.lltype -> Int64.t */
+CAMLprim value llvm_store_size(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return caml_copy_int64(LLVMStoreSizeOfType(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.lltype -> Int64.t */
+CAMLprim value llvm_abi_size(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return caml_copy_int64(LLVMABISizeOfType(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.lltype -> int */
+CAMLprim value llvm_abi_align(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return Val_int(LLVMABIAlignmentOfType(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.lltype -> int */
+CAMLprim value llvm_stack_align(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return Val_int(LLVMCallFrameAlignmentOfType(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.lltype -> int */
+CAMLprim value llvm_preferred_align(LLVMTargetDataRef TD, LLVMTypeRef Ty) {
+  return Val_int(LLVMPreferredAlignmentOfType(TD, Ty));
+}
+
+/* TargetData.t -> Llvm.llvalue -> int */
+CAMLprim value llvm_preferred_align_of_global(LLVMTargetDataRef TD,
+                                              LLVMValueRef GlobalVar) {
+  return Val_int(LLVMPreferredAlignmentOfGlobal(TD, GlobalVar));
+}
+
+/* TargetData.t -> Llvm.lltype -> Int64.t -> int */
+CAMLprim value llvm_element_at_offset(LLVMTargetDataRef TD, LLVMTypeRef Ty,
+                                      value Offset) {
+  return Val_int(LLVMElementAtOffset(TD, Ty, Int_val(Offset)));
+}
+
+/* TargetData.t -> Llvm.lltype -> int -> Int64.t */
+CAMLprim value llvm_offset_of_element(LLVMTargetDataRef TD, LLVMTypeRef Ty,
+                                      value Index) {
+  return caml_copy_int64(LLVMOffsetOfElement(TD, Ty, Int_val(Index)));
+}
diff --git a/bindings/ocaml/transforms/Makefile b/bindings/ocaml/transforms/Makefile
new file mode 100644
index 000000000000..95b00c8d74aa
--- /dev/null
+++ b/bindings/ocaml/transforms/Makefile
@@ -0,0 +1,18 @@
+##===- bindings/ocaml/transforms/Makefile ------------------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../..
+DIRS = scalar
+
+ocamldoc:
+	$(Verb) for i in $(DIRS) ; do \
+		$(MAKE) -C $$i ocamldoc; \
+	done
+
+include $(LEVEL)/Makefile.common
diff --git a/bindings/ocaml/transforms/scalar/Makefile b/bindings/ocaml/transforms/scalar/Makefile
new file mode 100644
index 000000000000..cbaffa4ea7ae
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/Makefile
@@ -0,0 +1,20 @@
+##===- bindings/ocaml/transforms/scalar/Makefile -----------*- Makefile -*-===##
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+#
+# This is the makefile for the Objective Caml Llvm_scalar_opts interface.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL := ../../../..
+LIBRARYNAME := llvm_scalar_opts
+DONT_BUILD_RELINKED := 1
+UsedComponents := scalaropts
+UsedOcamlInterfaces := llvm
+
+include ../../Makefile.ocaml
diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
new file mode 100644
index 000000000000..b4563b716a82
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.ml
@@ -0,0 +1,32 @@
+(*===-- llvm_scalar_opts.ml - LLVM Ocaml Interface -------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+external add_constant_propagation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                    -> unit
+                                  = "llvm_add_constant_propagation"
+external add_instruction_combining : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                     -> unit
+                                   = "llvm_add_instruction_combining"
+external
+add_memory_to_register_promotion : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                   -> unit
+                                 = "llvm_add_memory_to_register_promotion"
+external
+add_memory_to_register_demotion : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_memory_to_register_demotion"
+external add_reassociation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                             -> unit
+                           = "llvm_add_reassociation"
+external add_gvn : [<Llvm.PassManager.any] Llvm.PassManager.t
+                   -> unit
+                 = "llvm_add_gvn"
+external add_cfg_simplification : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_cfg_simplification"
diff --git a/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
new file mode 100644
index 000000000000..6fcce0432d71
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/llvm_scalar_opts.mli
@@ -0,0 +1,50 @@
+(*===-- llvm_scalar_opts.mli - LLVM Ocaml Interface ------------*- OCaml -*-===*
+ *
+ *                     The LLVM Compiler Infrastructure
+ *
+ * This file is distributed under the University of Illinois Open Source
+ * License. See LICENSE.TXT for details.
+ *
+ *===----------------------------------------------------------------------===*)
+
+(** Scalar Transforms.
+
+    This interface provides an ocaml API for LLVM scalar transforms, the
+    classes in the [LLVMScalarOpts] library. *)
+
+(** See the [llvm::createConstantPropogationPass] function. *)
+external add_constant_propagation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                    -> unit
+                                  = "llvm_add_constant_propagation"
+
+(** See the [llvm::createInstructionCombiningPass] function. *)
+external add_instruction_combining : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                     -> unit
+                                   = "llvm_add_instruction_combining"
+
+(** See the [llvm::createPromoteMemoryToRegisterPass] function. *)
+external
+add_memory_to_register_promotion : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                   -> unit
+                                 = "llvm_add_memory_to_register_promotion"
+
+(** See the [llvm::createDemoteMemoryToRegisterPass] function. *)
+external
+add_memory_to_register_demotion : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_memory_to_register_demotion"
+
+(** See the [llvm::createReassociatePass] function. *)
+external add_reassociation : [<Llvm.PassManager.any] Llvm.PassManager.t
+                             -> unit
+                           = "llvm_add_reassociation"
+
+(** See the [llvm::createGVNPass] function. *)
+external add_gvn : [<Llvm.PassManager.any] Llvm.PassManager.t
+                   -> unit
+                 = "llvm_add_gvn"
+
+(** See the [llvm::createCFGSimplificationPass] function. *)
+external add_cfg_simplification : [<Llvm.PassManager.any] Llvm.PassManager.t
+                                  -> unit
+                                = "llvm_add_cfg_simplification"
diff --git a/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
new file mode 100644
index 000000000000..87c106098432
--- /dev/null
+++ b/bindings/ocaml/transforms/scalar/scalar_opts_ocaml.c
@@ -0,0 +1,62 @@
+/*===-- scalar_opts_ocaml.c - LLVM Ocaml Glue -------------------*- C++ -*-===*\
+|*                                                                            *|
+|*                     The LLVM Compiler Infrastructure                       *|
+|*                                                                            *|
+|* This file is distributed under the University of Illinois Open Source      *|
+|* License. See LICENSE.TXT for details.                                      *|
+|*                                                                            *|
+|*===----------------------------------------------------------------------===*|
+|*                                                                            *|
+|* This file glues LLVM's ocaml interface to its C interface. These functions *|
+|* are by and large transparent wrappers to the corresponding C functions.    *|
+|*                                                                            *|
+|* Note that these functions intentionally take liberties with the CAMLparamX *|
+|* macros, since most of the parameters are not GC heap objects.              *|
+|*                                                                            *|
+\*===----------------------------------------------------------------------===*/
+
+#include "llvm-c/Transforms/Scalar.h"
+#include "caml/mlvalues.h"
+#include "caml/misc.h"
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_constant_propagation(LLVMPassManagerRef PM) {
+  LLVMAddConstantPropagationPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_instruction_combining(LLVMPassManagerRef PM) {
+  LLVMAddInstructionCombiningPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_memory_to_register_promotion(LLVMPassManagerRef PM) {
+  LLVMAddPromoteMemoryToRegisterPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_memory_to_register_demotion(LLVMPassManagerRef PM) {
+  LLVMAddDemoteMemoryToRegisterPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_reassociation(LLVMPassManagerRef PM) {
+  LLVMAddReassociatePass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_gvn(LLVMPassManagerRef PM) {
+  LLVMAddGVNPass(PM);
+  return Val_unit;
+}
+
+/* [<Llvm.PassManager.any] Llvm.PassManager.t -> unit */
+CAMLprim value llvm_add_cfg_simplification(LLVMPassManagerRef PM) {
+  LLVMAddCFGSimplificationPass(PM);
+  return Val_unit;
+}