Revert 125820 and 125819 to fix PR9266.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126050 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 21 insertions, 0 deletions

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
   /// {