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Tweak per Chris' comments.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108736 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-07-19 19:23:32 +00:00
parent 46dcb57e18
commit 5f23a938b0
1 changed files with 8 additions and 7 deletions
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15
lib/Transforms/InstCombine/InstCombineCasts.cpp
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@ -1106,19 +1106,20 @@ Instruction *InstCombiner::visitFPTrunc(FPTruncInst &CI) {
Call->getNumArgOperands() == 1) {
CastInst *Arg = dyn_cast<CastInst>(Call->getArgOperand(0));
if (Arg && Arg->getOpcode() == Instruction::FPExt &&
CI.getType() == Builder->getFloatTy() &&
Call->getType() == Builder->getDoubleTy() &&
Arg->getType() == Builder->getDoubleTy() &&
Arg->getOperand(0)->getType() == Builder->getFloatTy()) {
Module* M = CI.getParent()->getParent()->getParent();
CI.getType()->isFloatTy() &&
Call->getType()->isDoubleTy() &&
Arg->getType()->isDoubleTy() &&
Arg->getOperand(0)->getType()->isFloatTy()) {
Function *Callee = Call->getCalledFunction();
Module *M = CI.getParent()->getParent()->getParent();
Constant* SqrtfFunc = M->getOrInsertFunction("sqrtf",
Call->getAttributes(),
Callee->getAttributes(),
Builder->getFloatTy(),
Builder->getFloatTy(),
NULL);
CallInst *ret = CallInst::Create(SqrtfFunc, Arg->getOperand(0),
"sqrtfcall");
ret->setAttributes(Call->getAttributes());
ret->setAttributes(Callee->getAttributes());
return ret;
}
}