From b25abcb1fa2f1d0bf1bfb080b52b97ca421856a8 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sat, 29 Jan 2005 05:57:01 +0000 Subject: [PATCH] If we see: %A = alloca int %V = load int* %A value number %V to undef, not 0. llvm-svn: 19905 --- llvm/lib/Analysis/LoadValueNumbering.cpp | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/llvm/lib/Analysis/LoadValueNumbering.cpp b/llvm/lib/Analysis/LoadValueNumbering.cpp index 67d675f40bc8..d69f83e8a73a 100644 --- a/llvm/lib/Analysis/LoadValueNumbering.cpp +++ b/llvm/lib/Analysis/LoadValueNumbering.cpp @@ -22,7 +22,7 @@ //===----------------------------------------------------------------------===// #include "llvm/Analysis/LoadValueNumbering.h" -#include "llvm/Constant.h" +#include "llvm/Constants.h" #include "llvm/Function.h" #include "llvm/Instructions.h" #include "llvm/Pass.h" @@ -357,11 +357,10 @@ void LoadVN::getEqualNumberNodes(Value *V, Instrs.erase(I); } else if (AllocationInst *AI = dyn_cast(I)) { // If we run into an allocation of the value being loaded, then the - // contenxt are not initialized. We can return any value, so we will - // return a zero. + // contents are not initialized. if (Allocations.count(AI)) { LoadInvalidatedInBBBefore = true; - RetVals.push_back(Constant::getNullValue(LI->getType())); + RetVals.push_back(UndefValue::get(LI->getType())); break; } }