diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp index a0570f7ebd4..aba77bb4462 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp @@ -1269,13 +1269,12 @@ 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. - Value *NewLHS = LHSOrig, *NewRHS = RHSOrig; if (LHSWidth < SrcWidth) - NewLHS = Builder->CreateFPExt(NewLHS, RHSOrig->getType()); + LHSOrig = Builder->CreateFPExt(LHSOrig, RHSOrig->getType()); else if (RHSWidth <= SrcWidth) - NewRHS = Builder->CreateFPExt(NewRHS, LHSOrig->getType()); - if (NewLHS != LHSOrig || NewRHS != RHSOrig) { - Value *ExactResult = Builder->CreateFRem(NewLHS, NewRHS); + 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()); |
