diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index 4e519527e20..8652df7bbd7 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -365,10 +365,10 @@ bool TargetLowering::ShrinkDemandedConstant(SDValue Op, const APInt &Demanded, // If this is a 'not' op, don't touch it because that's a canonical form. const APInt &C = Op1C->getAPIntValue(); - if (Opcode == ISD::XOR && (C | ~Demanded).isAllOnesValue()) + if (Opcode == ISD::XOR && Demanded.isSubsetOf(C)) return false; - if (C.intersects(~Demanded)) { + if (!C.isSubsetOf(Demanded)) { EVT VT = Op.getValueType(); SDValue NewC = DAG.getConstant(Demanded & C, DL, VT); SDValue NewOp = DAG.getNode(Opcode, DL, VT, Op.getOperand(0), NewC); @@ -1666,7 +1666,7 @@ SDValue TargetLowering::SimplifySetCC(EVT VT, SDValue N0, SDValue N1, for (unsigned width = origWidth / 2; width>=8; width /= 2) { APInt newMask = APInt::getLowBitsSet(maskWidth, width); for (unsigned offset=0; offset<origWidth/width; offset++) { - if ((newMask & Mask) == Mask) { + if (Mask.isSubsetOf(newMask)) { if (DAG.getDataLayout().isLittleEndian()) bestOffset = (uint64_t)offset * (width/8); else |
