From 21a55c9f082848dc0dc4b3294c7b2e5636e73f60 Mon Sep 17 00:00:00 2001 From: Reid Spencer Date: Wed, 13 Dec 2006 08:33:33 +0000 Subject: [PATCH] For mul transforms, when checking for a cast from bool as either operand, make sure to also check that it is a zext from bool, not any other cast operation type. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32539 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/InstructionCombining.cpp | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 232e504971c..68089c2dd36 100644 --- a/lib/Transforms/Scalar/InstructionCombining.cpp +++ b/lib/Transforms/Scalar/InstructionCombining.cpp @@ -2172,11 +2172,13 @@ Instruction *InstCombiner::visitMul(BinaryOperator &I) { // formed. CastInst *BoolCast = 0; if (CastInst *CI = dyn_cast(I.getOperand(0))) - if (CI->getOperand(0)->getType() == Type::BoolTy) + if (CI->getOperand(0)->getType() == Type::BoolTy && + CI->getOpcode() == Instruction::ZExt) BoolCast = CI; if (!BoolCast) if (CastInst *CI = dyn_cast(I.getOperand(1))) - if (CI->getOperand(0)->getType() == Type::BoolTy) + if (CI->getOperand(0)->getType() == Type::BoolTy && + CI->getOpcode() == Instruction::ZExt) BoolCast = CI; if (BoolCast) { if (SetCondInst *SCI = dyn_cast(BoolCast->getOperand(0))) {