From cdc0654b3e1858784fd60e99655699b84b4a8104 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Mon, 3 Aug 2009 19:15:42 +0000
Subject: [PATCH] Make SimplifyDemandedUseBits generate vector constants where
appropriate. Patch per report on llvmdev. No testcase because the original
report didn't come with a testcase, and I can't come up with a case that
actually fails.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77986 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Transforms/Scalar/InstructionCombining.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index 0a6153db812..4d2248e2917 100644
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -1014,7 +1014,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {
// all known
if ((RHSKnownOne & LHSKnownOne) == RHSKnownOne) {
- Constant *AndC = ConstantInt::get(*Context,
+ Constant *AndC = ConstantInt::get(VTy,
~RHSKnownOne & DemandedMask);
Instruction *And =
BinaryOperator::CreateAnd(I->getOperand(0), AndC, "tmp");
@@ -1407,7 +1407,7 @@ Value *InstCombiner::SimplifyDemandedUseBits(Value *V, APInt DemandedMask,
// If the client is only demanding bits that we know, return the known
// constant.
if ((DemandedMask & (RHSKnownZero|RHSKnownOne)) == DemandedMask) {
- Constant *C = ConstantInt::get(*Context, RHSKnownOne);
+ Constant *C = ConstantInt::get(VTy, RHSKnownOne);
if (isa<PointerType>(V->getType()))
C = ConstantExpr::getIntToPtr(C, V->getType());
return C;