Revert r234532 for a bit, it very likely caused http://crbug.com/475768

llvm-svn: 234563

1 files changed, 17 insertions, 13 deletions

diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index f4767113..6183b49 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -263,10 +263,6 @@ public:
   /// potentially set the return value.
   bool SawAsmBlock;
 
-  /// True if the current function is an outlined SEH helper. This can be a
-  /// finally block or filter expression.
-  bool IsOutlinedSEHHelper;
-
   const CodeGen::CGBlockInfo *BlockInfo;
   llvm::Value *BlockPointer;
 
@@ -355,6 +351,17 @@ public:
     void exit(CodeGenFunction &CGF);
   };
 
+  /// Cleanups can be emitted for two reasons: normal control leaving a region
+  /// exceptional control flow leaving a region.
+  struct SEHFinallyInfo {
+    SEHFinallyInfo()
+        : FinallyBB(nullptr), ContBB(nullptr), ResumeBB(nullptr) {}
+
+    llvm::BasicBlock *FinallyBB;
+    llvm::BasicBlock *ContBB;
+    llvm::BasicBlock *ResumeBB;
+  };
+
   /// Returns true inside SEH __try blocks.
   bool isSEHTryScope() const { return !SEHTryEpilogueStack.empty(); }
 
@@ -1045,6 +1052,10 @@ public:
   llvm::Value *getExceptionSlot();
   llvm::Value *getEHSelectorSlot();
 
+  /// Stack slot that contains whether a __finally block is being executed as an
+  /// EH cleanup or as a normal cleanup.
+  llvm::Value *getAbnormalTerminationSlot();
+
   /// Returns the contents of the function's exception object and selector
   /// slots.
   llvm::Value *getExceptionFromSlot();
@@ -1989,19 +2000,12 @@ public:
   void EmitCXXTryStmt(const CXXTryStmt &S);
   void EmitSEHTryStmt(const SEHTryStmt &S);
   void EmitSEHLeaveStmt(const SEHLeaveStmt &S);
-  void EnterSEHTryStmt(const SEHTryStmt &S);
-  void ExitSEHTryStmt(const SEHTryStmt &S);
-
-  void startOutlinedSEHHelper(CodeGenFunction &ParentCGF, StringRef Name,
-                              QualType RetTy, FunctionArgList &Args,
-                              const Stmt *OutlinedStmt);
+  void EnterSEHTryStmt(const SEHTryStmt &S, SEHFinallyInfo &FI);
+  void ExitSEHTryStmt(const SEHTryStmt &S, SEHFinallyInfo &FI);
 
   llvm::Function *GenerateSEHFilterFunction(CodeGenFunction &ParentCGF,
                                             const SEHExceptStmt &Except);
 
-  llvm::Function *GenerateSEHFinallyFunction(CodeGenFunction &ParentCGF,
-                                             const SEHFinallyStmt &Finally);
-
   void EmitSEHExceptionCodeSave();
   llvm::Value *EmitSEHExceptionCode();
   llvm::Value *EmitSEHExceptionInfo();