4 files changed, 38 insertions, 16 deletions

diff --git a/include/clang/Basic/TargetInfo.h b/include/clang/Basic/TargetInfo.h
index b9087f2c47..586680bbd0 100644
--- a/include/clang/Basic/TargetInfo.h
+++ b/include/clang/Basic/TargetInfo.h
@@ -26,6 +26,8 @@
 namespace llvm {
 struct fltSemantics;
 class StringRef;
+class LLVMContext;
+class Type;
 }
 
 namespace clang {
@@ -530,6 +532,12 @@ public:
   virtual const char *getStaticInitSectionSpecifier() const {
     return 0;
   }
+
+  virtual const llvm::Type* adjustInlineAsmType(std::string& Constraint, 
+                                     const llvm::Type* Ty,
+                                     llvm::LLVMContext& Context) const {
+    return Ty;
+  }
 protected:
   virtual uint64_t getPointerWidthV(unsigned AddrSpace) const {
     return PointerWidth;
diff --git a/include/clang/CodeGen/CodeGenAction.h b/include/clang/CodeGen/CodeGenAction.h
index 052c6603f5..b55effc6be 100644
--- a/include/clang/CodeGen/CodeGenAction.h
+++ b/include/clang/CodeGen/CodeGenAction.h
@@ -14,7 +14,6 @@
 #include "llvm/ADT/OwningPtr.h"
 
 namespace llvm {
-  class LLVMContext;
   class Module;
 }
 
@@ -25,14 +24,9 @@ class CodeGenAction : public ASTFrontendAction {
 private:
   unsigned Act;
   llvm::OwningPtr<llvm::Module> TheModule;
-  llvm::LLVMContext *VMContext;
-  bool OwnsVMContext;
 
 protected:
-  /// Create a new code generation action.  If the optional \arg _VMContext
-  /// parameter is supplied, the action uses it without taking ownership,
-  /// otherwise it creates a fresh LLVM context and takes ownership.
-  CodeGenAction(unsigned _Act, llvm::LLVMContext *_VMContext = 0);
+  CodeGenAction(unsigned _Act);
 
   virtual bool hasIRSupport() const;
 
@@ -50,40 +44,37 @@ public:
   /// been run. The result may be null on failure.
   llvm::Module *takeModule();
 
-  /// Take the LLVM context used by this action.
-  llvm::LLVMContext *takeLLVMContext();
-
   BackendConsumer *BEConsumer;
 };
 
 class EmitAssemblyAction : public CodeGenAction {
 public:
-  EmitAssemblyAction(llvm::LLVMContext *_VMContext = 0);
+  EmitAssemblyAction();
 };
 
 class EmitBCAction : public CodeGenAction {
 public:
-  EmitBCAction(llvm::LLVMContext *_VMContext = 0);
+  EmitBCAction();
 };
 
 class EmitLLVMAction : public CodeGenAction {
 public:
-  EmitLLVMAction(llvm::LLVMContext *_VMContext = 0);
+  EmitLLVMAction();
 };
 
 class EmitLLVMOnlyAction : public CodeGenAction {
 public:
-  EmitLLVMOnlyAction(llvm::LLVMContext *_VMContext = 0);
+  EmitLLVMOnlyAction();
 };
 
 class EmitCodeGenOnlyAction : public CodeGenAction {
 public:
-  EmitCodeGenOnlyAction(llvm::LLVMContext *_VMContext = 0);
+  EmitCodeGenOnlyAction();
 };
 
 class EmitObjAction : public CodeGenAction {
 public:
-  EmitObjAction(llvm::LLVMContext *_VMContext = 0);
+  EmitObjAction();
 };
 
 }
diff --git a/include/clang/Frontend/ASTConsumers.h b/include/clang/Frontend/ASTConsumers.h
index c45bd40706..e2071df8e3 100644
--- a/include/clang/Frontend/ASTConsumers.h
+++ b/include/clang/Frontend/ASTConsumers.h
@@ -18,6 +18,8 @@
 
 namespace llvm {
   class raw_ostream;
+  class Module;
+  class LLVMContext;
   namespace sys { class Path; }
 }
 namespace clang {
diff --git a/include/clang/Frontend/CompilerInstance.h b/include/clang/Frontend/CompilerInstance.h
index 7ea79e5599..430cc603c7 100644
--- a/include/clang/Frontend/CompilerInstance.h
+++ b/include/clang/Frontend/CompilerInstance.h
@@ -19,6 +19,7 @@
 #include <string>
 
 namespace llvm {
+class LLVMContext;
 class raw_ostream;
 class raw_fd_ostream;
 class Timer;
@@ -58,6 +59,9 @@ class TargetInfo;
 /// come in two forms; a short form that reuses the CompilerInstance objects,
 /// and a long form that takes explicit instances of any required objects.
 class CompilerInstance {
+  /// The LLVM context used for this instance.
+  llvm::OwningPtr<llvm::LLVMContext> LLVMContext;
+
   /// The options used in this compiler instance.
   llvm::OwningPtr<CompilerInvocation> Invocation;
 
@@ -151,6 +155,23 @@ public:
   bool ExecuteAction(FrontendAction &Act);
 
   /// }
+  /// @name LLVM Context
+  /// {
+
+  bool hasLLVMContext() const { return LLVMContext != 0; }
+
+  llvm::LLVMContext &getLLVMContext() const {
+    assert(LLVMContext && "Compiler instance has no LLVM context!");
+    return *LLVMContext;
+  }
+
+  llvm::LLVMContext *takeLLVMContext() { return LLVMContext.take(); }
+
+  /// setLLVMContext - Replace the current LLVM context and take ownership of
+  /// \arg Value.
+  void setLLVMContext(llvm::LLVMContext *Value);
+
+  /// }
   /// @name Compiler Invocation and Options
   /// {