diff options
| author | Craig Topper <craig.topper@intel.com> | 2017-06-16 23:19:14 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@intel.com> | 2017-06-16 23:19:14 +0000 |
| commit | 288b3c9e69964496f4560f3efb7dac62949b1236 (patch) | |
| tree | 8167df1fe6bd6cd5683d975861748ba352d26027 /llvm/lib/CodeGen/SelectionDAG | |
| parent | ea5b8bc9efc8ea6c6a68caa53156ee661ce761b8 (diff) | |
| download | bcm5719-llvm-288b3c9e69964496f4560f3efb7dac62949b1236.tar.gz bcm5719-llvm-288b3c9e69964496f4560f3efb7dac62949b1236.zip | |
[SelectionDAG] Use APInt::isSubsetOf. NFC
llvm-svn: 305606
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 159c680beb8..a7b411cecac 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -3685,7 +3685,7 @@ SDValue DAGCombiner::visitAND(SDNode *N) { // fold (and (or x, C), D) -> D if (C & D) == D if (N1C && N0.getOpcode() == ISD::OR) if (ConstantSDNode *ORI = isConstOrConstSplat(N0.getOperand(1))) - if ((ORI->getAPIntValue() & N1C->getAPIntValue()) == N1C->getAPIntValue()) + if (N1C->getAPIntValue().isSubsetOf(ORI->getAPIntValue())) return N1; // fold (and (any_ext V), c) -> (zero_ext V) if 'and' only clears top bits. if (N1C && N0.getOpcode() == ISD::ANY_EXTEND) { 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 |
