1 files changed, 41 insertions, 15 deletions

diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index de655800fa08..0a617b999240 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This is the source level debug info generator for llvm translation. 
+// This is the source level debug info generator for llvm translation.
 //
 //===----------------------------------------------------------------------===//
 
@@ -15,28 +15,35 @@
 #define CLANG_CODEGEN_CGDEBUGINFO_H
 
 #include "clang/AST/Type.h"
+#include "clang/AST/Expr.h"
 #include "clang/Basic/SourceLocation.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Analysis/DebugInfo.h"
+#include "llvm/Support/ValueHandle.h"
 #include <map>
 
 #include "CGBuilder.h"
 
+namespace llvm {
+  class MDNode;
+}
+
 namespace clang {
   class VarDecl;
   class ObjCInterfaceDecl;
 
 namespace CodeGen {
   class CodeGenModule;
+  class CodeGenFunction;
 
-/// CGDebugInfo - This class gathers all debug information during compilation 
-/// and is responsible for emitting to llvm globals or pass directly to 
+/// CGDebugInfo - This class gathers all debug information during compilation
+/// and is responsible for emitting to llvm globals or pass directly to
 /// the backend.
 class CGDebugInfo {
   CodeGenModule *M;
   bool isMainCompileUnitCreated;
   llvm::DIFactory DebugFactory;
-  
+
   SourceLocation CurLoc, PrevLoc;
 
   /// CompileUnitCache - Cache of previously constructed CompileUnits.
@@ -44,8 +51,8 @@ class CGDebugInfo {
 
   /// TypeCache - Cache of previously constructed Types.
   // FIXME: Eliminate this map.  Be careful of iterator invalidation.
-  std::map<void *, llvm::DIType> TypeCache;
-  
+  std::map<void *, llvm::WeakVH> TypeCache;
+
   bool BlockLiteralGenericSet;
   llvm::DIType BlockLiteralGeneric;
 
@@ -54,8 +61,10 @@ class CGDebugInfo {
   /// Helper functions for getOrCreateType.
   llvm::DIType CreateType(const BuiltinType *Ty, llvm::DICompileUnit U);
   llvm::DIType CreateType(const ComplexType *Ty, llvm::DICompileUnit U);
-  llvm::DIType CreateCVRType(QualType Ty, llvm::DICompileUnit U);
+  llvm::DIType CreateQualifiedType(QualType Ty, llvm::DICompileUnit U);
   llvm::DIType CreateType(const TypedefType *Ty, llvm::DICompileUnit U);
+  llvm::DIType CreateType(const ObjCObjectPointerType *Ty,
+                          llvm::DICompileUnit Unit);
   llvm::DIType CreateType(const PointerType *Ty, llvm::DICompileUnit U);
   llvm::DIType CreateType(const BlockPointerType *Ty, llvm::DICompileUnit U);
   llvm::DIType CreateType(const FunctionType *Ty, llvm::DICompileUnit U);
@@ -81,12 +90,12 @@ public:
   /// start of a new function.
   void EmitFunctionStart(const char *Name, QualType ReturnType,
                          llvm::Function *Fn, CGBuilderTy &Builder);
-  
+
   /// EmitRegionStart - Emit a call to llvm.dbg.region.start to indicate start
-  /// of a new block.  
+  /// of a new block.
   void EmitRegionStart(llvm::Function *Fn, CGBuilderTy &Builder);
-  
-  /// EmitRegionEnd - Emit call to llvm.dbg.region.end to indicate end of a 
+
+  /// EmitRegionEnd - Emit call to llvm.dbg.region.end to indicate end of a
   /// block.
   void EmitRegionEnd(llvm::Function *Fn, CGBuilderTy &Builder);
 
@@ -95,23 +104,36 @@ public:
   void EmitDeclareOfAutoVariable(const VarDecl *Decl, llvm::Value *AI,
                                  CGBuilderTy &Builder);
 
+  /// EmitDeclareOfBlockDeclRefVariable - Emit call to llvm.dbg.declare for an
+  /// imported variable declaration in a block.
+  void EmitDeclareOfBlockDeclRefVariable(const BlockDeclRefExpr *BDRE,
+                                         llvm::Value *AI,
+                                         CGBuilderTy &Builder,
+                                         CodeGenFunction *CGF);
+
   /// EmitDeclareOfArgVariable - Emit call to llvm.dbg.declare for an argument
   /// variable declaration.
   void EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI,
                                 CGBuilderTy &Builder);
-  
+
   /// EmitGlobalVariable - Emit information about a global variable.
   void EmitGlobalVariable(llvm::GlobalVariable *GV, const VarDecl *Decl);
 
   /// EmitGlobalVariable - Emit information about an objective-c interface.
   void EmitGlobalVariable(llvm::GlobalVariable *GV, ObjCInterfaceDecl *Decl);
-   
+
 private:
   /// EmitDeclare - Emit call to llvm.dbg.declare for a variable declaration.
   void EmitDeclare(const VarDecl *decl, unsigned Tag, llvm::Value *AI,
                    CGBuilderTy &Builder);
-  
-  
+
+  /// EmitDeclare - Emit call to llvm.dbg.declare for a variable declaration.
+  void EmitDeclare(const BlockDeclRefExpr *BDRE, unsigned Tag, llvm::Value *AI,
+                   CGBuilderTy &Builder, CodeGenFunction *CGF);
+
+  /// getContext - Get context info for the decl.
+  llvm::DIDescriptor getContext(const VarDecl *Decl,llvm::DIDescriptor &CU);
+
   /// getOrCreateCompileUnit - Get the compile unit from the cache or create a
   /// new one if necessary.
   llvm::DICompileUnit getOrCreateCompileUnit(SourceLocation Loc);
@@ -119,8 +141,12 @@ private:
   /// getOrCreateType - Get the type from the cache or create a new type if
   /// necessary.
   llvm::DIType getOrCreateType(QualType Ty, llvm::DICompileUnit Unit);
+
+  /// CreateTypeNode - Create type metadata for a source language type.
+  llvm::DIType CreateTypeNode(QualType Ty, llvm::DICompileUnit Unit);
 };
 } // namespace CodeGen
 } // namespace clang
 
+
 #endif