From 6d1a2716a43237ab3e8d246030d6020451d0ced7 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 27 Sep 2005 17:45:33 +0000
Subject: [PATCH] Make sure to clear the CodeGenMap after each basic block is
 selected to avoid cross MBB pollution.

llvm-svn: 23470
---
 lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index 5019a848a44..d9335477400 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -87,6 +87,7 @@ namespace {
       DEBUG(BB->dump());
       // Select target instructions for the DAG.
       DAG.setRoot(Select(DAG.getRoot()));
+      CodeGenMap.clear();
       DAG.RemoveDeadNodes();
       
       // Emit machine code to BB.