Use a unified return block.

 - For the time being this means our emitted code is somewhat worse,
   especially for aggregates. This will be fixed.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56013 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index d00c188639..6fad0486dd 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -64,6 +64,12 @@ public:
   QualType FnRetTy;
   llvm::Function *CurFn;
 
+  /// ReturnBlock - Unified return block.
+  llvm::BasicBlock *ReturnBlock;
+  /// ReturnValue - The temporary alloca to hold the return value. This
+  /// is null iff the function has no return value.
+  llvm::Instruction *ReturnValue;
+  
   /// AllocaInsertPoint - This is an instruction in the entry block before which
   /// we prefer to insert allocas.
   llvm::Instruction *AllocaInsertPt;