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| author | Stuart Hastings <stuart@apple.com> | 2011-06-01 18:32:25 +0000 |
|---|---|---|
| committer | Stuart Hastings <stuart@apple.com> | 2011-06-01 18:32:25 +0000 |
| commit | 3ae49c03a44c8ce5670869cd03a50a30d12560db (patch) | |
| tree | 3d2e0c448735d74fae4e88148bbf08131af55313 /llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | d949eb714ae48dcc025f6e162d74bedca2599363 (diff) | |
| download | llvm-3ae49c03a44c8ce5670869cd03a50a30d12560db.zip llvm-3ae49c03a44c8ce5670869cd03a50a30d12560db.tar.gz llvm-3ae49c03a44c8ce5670869cd03a50a30d12560db.tar.bz2 | |
Fix double FGETSIGN to work on x86_32; followup to 132396.
rdar://problem/5660695
llvm-svn: 132411
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 6739f1a..bb4df27 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1759,11 +1759,14 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op, if (NewMask == APInt::getSignBit(Op.getValueType().getSizeInBits()) && Op.getOperand(0).getValueType().isFloatingPoint() && !Op.getOperand(0).getValueType().isVector()) { - if (isOperationLegalOrCustom(ISD::FGETSIGN, Op.getValueType())) { + if (isOperationLegalOrCustom(ISD::FGETSIGN, MVT::i32)) { + EVT Ty = (isOperationLegalOrCustom(ISD::FGETSIGN, Op.getValueType())) ? + Op.getValueType() : MVT::i32; // Make a FGETSIGN + SHL to move the sign bit into the appropriate // place. We expect the SHL to be eliminated by other optimizations. - SDValue Sign = TLO.DAG.getNode(ISD::FGETSIGN, dl, Op.getValueType(), - Op.getOperand(0)); + SDValue Sign = TLO.DAG.getNode(ISD::FGETSIGN, dl, Ty, Op.getOperand(0)); + if (Ty != Op.getValueType()) + Sign = TLO.DAG.getNode(ISD::ZERO_EXTEND, dl, Op.getValueType(), Sign); unsigned ShVal = Op.getValueType().getSizeInBits()-1; SDValue ShAmt = TLO.DAG.getConstant(ShVal, Op.getValueType()); return TLO.CombineTo(Op, TLO.DAG.getNode(ISD::SHL, dl, |