diff options
| author | Reid Spencer <rspencer@reidspencer.com> | 2006-12-13 08:33:33 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2006-12-13 08:33:33 +0000 |
| commit | 21a55c9f082848dc0dc4b3294c7b2e5636e73f60 (patch) | |
| tree | d8967a4d03498929e21cff5dacc1b22e8fb05b56 | |
| parent | 5ae9cebef597db036923de3f653e732384426340 (diff) | |
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
| -rw-r--r-- | lib/Transforms/Scalar/InstructionCombining.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp index 232e504971..68089c2dd3 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<CastInst>(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<CastInst>(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<SetCondInst>(BoolCast->getOperand(0))) { |