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| author | Jim Grosbach <grosbach@apple.com> | 2011-09-30 19:58:46 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2011-09-30 19:58:46 +0000 |
| commit | 011dafba614c84e4855bacda6b494dcf14223ea3 (patch) | |
| tree | a63b3db63a315e3c5055d3ea0f72711f1a782642 /llvm/lib | |
| parent | 2f0cbf6a997dcb4d57d5bf8752433970d6f32abf (diff) | |
| download | bcm5719-llvm-011dafba614c84e4855bacda6b494dcf14223ea3.tar.gz bcm5719-llvm-011dafba614c84e4855bacda6b494dcf14223ea3.zip | |
Don't modify constant in-place.
llvm-svn: 140875
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp index 26432d2eed5..bb1cbfade34 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -2839,10 +2839,11 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { // Avoid lossy conversions and denormals. Zero is a special case // that's OK to convert. - F.clearSign(); + APFloat Fabs = F; + Fabs.clearSign(); if (!Lossy && - ((F.compare(APFloat::getSmallestNormalized(*Sem)) != - APFloat::cmpLessThan) || F.isZero())) + ((Fabs.compare(APFloat::getSmallestNormalized(*Sem)) != + APFloat::cmpLessThan) || Fabs.isZero())) return new FCmpInst(I.getPredicate(), LHSExt->getOperand(0), ConstantFP::get(RHSC->getContext(), F)); |
