Vendor import of llvm release_34 branch r197841 (effectively, 3.4 RC3):vendor/llvm/llvm-release_34-r197841

https://llvm.org/svn/llvm-project/llvm/branches/release_34@197841

1 files changed, 31 insertions, 9 deletions

diff --git a/include/llvm/AutoUpgrade.h b/include/llvm/AutoUpgrade.h
index e13c4c12b0f4..c774782f19ec 100644
--- a/include/llvm/AutoUpgrade.h
+++ b/include/llvm/AutoUpgrade.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  These functions are implemented by lib/VMCore/AutoUpgrade.cpp.
+//  These functions are implemented by lib/IR/AutoUpgrade.cpp.
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,30 +15,52 @@
 #define LLVM_AUTOUPGRADE_H
 
 namespace llvm {
+  class CallInst;
+  class Constant;
+  class Function;
+  class Instruction;
   class Module;
   class GlobalVariable;
-  class Function;
-  class CallInst;
+  class Type;
+  class Value;
 
-  /// This is a more granular function that simply checks an intrinsic function 
+  /// This is a more granular function that simply checks an intrinsic function
   /// for upgrading, and returns true if it requires upgrading. It may return
   /// null in NewFn if the all calls to the original intrinsic function
   /// should be transformed to non-function-call instructions.
   bool UpgradeIntrinsicFunction(Function *F, Function *&NewFn);
 
-  /// This is the complement to the above, replacing a specific call to an 
+  /// This is the complement to the above, replacing a specific call to an
   /// intrinsic function with a call to the specified new function.
   void UpgradeIntrinsicCall(CallInst *CI, Function *NewFn);
-  
-  /// This is an auto-upgrade hook for any old intrinsic function syntaxes 
-  /// which need to have both the function updated as well as all calls updated 
-  /// to the new function. This should only be run in a post-processing fashion 
+
+  /// This is an auto-upgrade hook for any old intrinsic function syntaxes
+  /// which need to have both the function updated as well as all calls updated
+  /// to the new function. This should only be run in a post-processing fashion
   /// so that it can update all calls to the old function.
   void UpgradeCallsToIntrinsic(Function* F);
 
   /// This checks for global variables which should be upgraded. It returns true
   /// if it requires upgrading.
   bool UpgradeGlobalVariable(GlobalVariable *GV);
+
+  /// If the TBAA tag for the given instruction uses the scalar TBAA format,
+  /// we upgrade it to the struct-path aware TBAA format.
+  void UpgradeInstWithTBAATag(Instruction *I);
+
+  /// This is an auto-upgrade for bitcast between pointers with different
+  /// address spaces: the instruction is replaced by a pair ptrtoint+inttoptr.
+  Instruction *UpgradeBitCastInst(unsigned Opc, Value *V, Type *DestTy,
+                                  Instruction *&Temp);
+
+  /// This is an auto-upgrade for bitcast constant expression between pointers
+  /// with different address spaces: the instruction is replaced by a pair
+  /// ptrtoint+inttoptr.
+  Value *UpgradeBitCastExpr(unsigned Opc, Constant *C, Type *DestTy);
+
+  /// Check the debug info version number, if it is out-dated, drop the debug
+  /// info. Return true if module is modified.
+  bool UpgradeDebugInfo(Module &M);
 } // End llvm namespace
 
 #endif