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Restructure code from r224097. NFC 

llvm-svn: 224133
This commit is contained in:
Steven Wu 2014-12-12 17:21:54 +00:00
parent 37c3ad6c20
commit 1f7402a14e
1 changed files with 12 additions and 12 deletions
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24
llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
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@ -1269,19 +1269,19 @@ Instruction *InstCombiner::visitFPTrunc(FPTruncInst &CI) {
// type of OpI doesn't enter into things at all. We simply evaluate
// in whichever source type is larger, then convert to the
// destination type.
if (SrcWidth != OpWidth) {
if (LHSWidth < SrcWidth)
LHSOrig = Builder->CreateFPExt(LHSOrig, RHSOrig->getType());
else if (RHSWidth <= SrcWidth)
RHSOrig = Builder->CreateFPExt(RHSOrig, LHSOrig->getType());
if (LHSOrig != OpI->getOperand(0) || RHSOrig != OpI->getOperand(1)) {
Value *ExactResult = Builder->CreateFRem(LHSOrig, RHSOrig);
if (Instruction *RI = dyn_cast<Instruction>(ExactResult))
RI->copyFastMathFlags(OpI);
return CastInst::CreateFPCast(ExactResult, CI.getType());
}
if (SrcWidth == OpWidth) {
break;
}
if (LHSWidth < SrcWidth)
LHSOrig = Builder->CreateFPExt(LHSOrig, RHSOrig->getType());
else if (RHSWidth <= SrcWidth)
RHSOrig = Builder->CreateFPExt(RHSOrig, LHSOrig->getType());
if (LHSOrig != OpI->getOperand(0) || RHSOrig != OpI->getOperand(1)) {
Value *ExactResult = Builder->CreateFRem(LHSOrig, RHSOrig);
if (Instruction *RI = dyn_cast<Instruction>(ExactResult))
RI->copyFastMathFlags(OpI);
return CastInst::CreateFPCast(ExactResult, CI.getType());
}
break;
}
// (fptrunc (fneg x)) -> (fneg (fptrunc x))