diff options
| author | Benjamin Kramer <benny.kra@googlemail.com> | 2011-03-31 21:35:49 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2011-03-31 21:35:49 +0000 |
| commit | 7ebdc37d2bbfc62ff7957b346bb3a91eb6044d5f (patch) | |
| tree | 5ca87688eaae944dd8f42780ac69fce5f61441f0 /lib/Transforms/InstCombine/InstCombineCompares.cpp | |
| parent | 0c630b5f3883aa494eca732f08a547d694d3931a (diff) | |
InstCombine: APFloat can't perform arithmetic on PPC double doubles, don't even try.
Thanks Eli!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128676 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCompares.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineCompares.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp index 3e549d9428..8afd2f8d00 100644 --- a/lib/Transforms/InstCombine/InstCombineCompares.cpp +++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp @@ -2769,6 +2769,10 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { if (!RHSF) break; + // We can't convert a PPC double double. + if (RHSF->getType()->isPPC_FP128Ty()) + break; + const fltSemantics *Sem; // FIXME: This shouldn't be here. if (LHSExt->getSrcTy()->isFloatTy()) @@ -2779,8 +2783,6 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) { Sem = &APFloat::IEEEquad; else if (LHSExt->getSrcTy()->isX86_FP80Ty()) Sem = &APFloat::x87DoubleExtended; - else if (LHSExt->getSrcTy()->isPPC_FP128Ty()) - Sem = &APFloat::PPCDoubleDouble; else break; |