From 2949a2398c22580de3705fec568e1a73b818e962 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Sun, 20 Sep 2009 03:48:46 +0000
Subject: [PATCH] Remove dead store by taking a guess at what Chris meant. I
 wasn't able to design a testcase that would tickle this behaviour.

llvm-svn: 82357
---
 llvm/lib/VMCore/ConstantFold.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/lib/VMCore/ConstantFold.cpp b/llvm/lib/VMCore/ConstantFold.cpp
index 7bf4f094e80c..773a908cf839 100644
--- a/llvm/lib/VMCore/ConstantFold.cpp
+++ b/llvm/lib/VMCore/ConstantFold.cpp
@@ -1241,12 +1241,11 @@ static ICmpInst::Predicate evaluateICmpRelation(LLVMContext &Context,
       // null pointer, do the comparison with the pre-casted value.
       if (V2->isNullValue() &&
           (isa<PointerType>(CE1->getType()) || CE1->getType()->isInteger())) {
-        bool sgnd = isSigned;
         if (CE1->getOpcode() == Instruction::ZExt) isSigned = false;
         if (CE1->getOpcode() == Instruction::SExt) isSigned = true;
         return evaluateICmpRelation(Context, CE1Op0,
                                     Constant::getNullValue(CE1Op0->getType()), 
-                                    sgnd);
+                                    isSigned);
       }
       break;