diff options
Diffstat (limited to 'lib/Target/Mips/MipsSEISelLowering.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsSEISelLowering.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/Mips/MipsSEISelLowering.cpp b/lib/Target/Mips/MipsSEISelLowering.cpp index ca911f0..23d2578 100644 --- a/lib/Target/Mips/MipsSEISelLowering.cpp +++ b/lib/Target/Mips/MipsSEISelLowering.cpp @@ -327,9 +327,11 @@ static SDValue performDSPShiftCombine(unsigned Opc, SDNode *N, EVT Ty, unsigned EltSize = Ty.getVectorElementType().getSizeInBits(); BuildVectorSDNode *BV = dyn_cast<BuildVectorSDNode>(N->getOperand(1)); - if (!BV || !BV->isConstantSplat(SplatValue, SplatUndef, SplatBitSize, - HasAnyUndefs, EltSize, - !Subtarget->isLittle())) + if (!BV || + !BV->isConstantSplat(SplatValue, SplatUndef, SplatBitSize, HasAnyUndefs, EltSize, + !Subtarget->isLittle()) || + (SplatBitSize != EltSize) || + !isUIntN(Log2_32(EltSize), SplatValue.getZExtValue())) return SDValue(); return DAG.getNode(Opc, N->getDebugLoc(), Ty, N->getOperand(0), |