From fcaa9957c9181e1de8c82f2cd808e3c457acc7ba Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Mon, 19 Dec 2005 22:36:02 +0000
Subject: [PATCH] It's essential we clear CodeGenMap after isel every basic
 block!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24867 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86ISelDAGToDAG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 4fad8dff77c..4484ae50161 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -139,6 +139,7 @@ void X86DAGToDAGISel::InstructionSelectBasicBlock(SelectionDAG &DAG) {
 
   // Codegen the basic block.
   DAG.setRoot(Select(DAG.getRoot()));
+  CodeGenMap.clear();
   DAG.RemoveDeadNodes();
 
   // Emit machine code to BB. 
-- 
2.34.1