From 75df16a5b01eb73107cae103cd79f5b1ebbcbf9a Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 20 Apr 2008 19:59:12 +0000
Subject: [PATCH] hopefully resolve PR2240

llvm-svn: 49999
---
 lib/VMCore/ConstantFold.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index 50fbe1a00c4..9f31bcdb75f 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -571,7 +571,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
           
           if (GVAlign > 1) {
             unsigned DstWidth = CI2->getType()->getBitWidth();
-            unsigned SrcWidth = std::min(SrcWidth, Log2_32(GVAlign));
+            unsigned SrcWidth = std::min(DstWidth, Log2_32(GVAlign));
             APInt BitsNotSet(APInt::getLowBitsSet(DstWidth, SrcWidth));
 
             // If checking bits we know are clear, return zero.