From c71c845fe77ee1f891d60232ec320912d88557ee Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Sat, 7 Feb 2009 23:50:39 +0000
Subject: Add support for emitting cleanup blocks. Make EmitCompoundStatement
 emit cleanup blocks if necessary

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64051 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CodeGenFunction.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'lib/CodeGen/CodeGenFunction.cpp')

diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 4ba4d600f8..838de70218 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -521,3 +521,24 @@ llvm::BasicBlock *CodeGenFunction::CreateCleanupBlock()
   
   return CleanupBlock;  
 }
+
+void CodeGenFunction::EmitCleanupBlocks(size_t OldCleanupStackSize)
+{
+  assert(CleanupEntries.size() >= OldCleanupStackSize && 
+         "Cleanup stack mismatch!");
+  
+  while (CleanupEntries.size() > OldCleanupStackSize)
+    EmitCleanupBlock();
+}
+
+void CodeGenFunction::EmitCleanupBlock()
+{
+  CleanupEntry &CE = CleanupEntries.back();
+  
+  llvm::BasicBlock *CleanupBlock = CE.CleanupBlock;
+  
+  CleanupEntries.pop_back();
+  
+  EmitBlock(CleanupBlock);
+}
+
-- 
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