From 84d08db733f64d9c3da4d534a3c9b553e0f77ed8 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 27 Mar 2009 23:51:02 +0000
Subject: [PATCH] Initialize LiveOutInfo's APInt members to zero, as APInt's
 default constructor produces an uninitialized APInt. This fixes PR3896.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67879 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAGBuild.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
index 8ab3487a958..a9c3d6a523b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.h
@@ -135,7 +135,7 @@ public:
   struct LiveOutInfo {
     unsigned NumSignBits;
     APInt KnownOne, KnownZero;
-    LiveOutInfo() : NumSignBits(0) {}
+    LiveOutInfo() : NumSignBits(0), KnownOne(1, 0), KnownZero(1, 0) {}
   };
   
   /// LiveOutRegInfo - Information about live out vregs, indexed by their