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| author | Craig Topper <craig.topper@gmail.com> | 2012-08-30 06:56:15 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-08-30 06:56:15 +0000 |
| commit | e39ad7b5490196fb867c64f3696e57ab2f52b973 (patch) | |
| tree | 6c12959c99cb867ba2dc85f344b8c90da53710f8 /llvm/lib/Target | |
| parent | 53f3e7dba329e6f6bce06db702cb2b728b5ab8d3 (diff) | |
| download | bcm5719-llvm-e39ad7b5490196fb867c64f3696e57ab2f52b973.tar.gz bcm5719-llvm-e39ad7b5490196fb867c64f3696e57ab2f52b973.zip | |
Only perform DAG combine on FMAs of legal types.
llvm-svn: 162892
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 8b7a4d0a08d..b2b30fe387c 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -15601,6 +15601,10 @@ static SDValue PerformFMACombine(SDNode *N, SelectionDAG &DAG, DebugLoc dl = N->getDebugLoc(); EVT VT = N->getValueType(0); + // Let legalize expand this if it isn't a legal type yet. + if (!DAG.getTargetLoweringInfo().isTypeLegal(VT)) + return SDValue(); + EVT ScalarVT = VT.getScalarType(); if ((ScalarVT != MVT::f32 && ScalarVT != MVT::f64) || !Subtarget->hasFMA()) return SDValue(); |
