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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 | 090bf19de6e7c75fbf34e753f5e0ad58cc2ca15c (patch) | |
| tree | d8cb76ab6acd20bda8b7ee01fc0ddbc65928c53f /lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | a3d91cd6a6384478d88ed3022ea4bda8646fedea (diff) | |
| download | llvm-090bf19de6e7c75fbf34e753f5e0ad58cc2ca15c.tar.gz llvm-090bf19de6e7c75fbf34e753f5e0ad58cc2ca15c.tar.bz2 llvm-090bf19de6e7c75fbf34e753f5e0ad58cc2ca15c.tar.xz | |
Fix double FGETSIGN to work on x86_32; followup to 132396.
rdar://problem/5660695
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132411 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/TargetLowering.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 6739f1a8be..bb4df27034 100644 --- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/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, |