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[X86] Use SDValue::getConstantOperandVal helper. NFCI.

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llvm-svn: 302286
This commit is contained in:
Simon Pilgrim 2017-05-05 20:53:52 +00:00
parent 85c90275ff
commit 75650b93d4
1 changed files with 6 additions and 9 deletions
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15
lib/Target/X86/X86ISelLowering.cpp
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@ -6228,7 +6228,7 @@ static SDValue LowerBuildVectorv4x32(SDValue Op, SelectionDAG &DAG,
Elt = Op->getOperand(EltIdx);
// By construction, Elt is a EXTRACT_VECTOR_ELT with constant index.
EltMaskIdx = cast<ConstantSDNode>(Elt.getOperand(1))->getZExtValue();
EltMaskIdx = Elt.getConstantOperandVal(1);
if (Elt.getOperand(0) != V1 || EltMaskIdx != EltIdx)
break;
Mask[EltIdx] = EltIdx;
@ -6259,8 +6259,7 @@ static SDValue LowerBuildVectorv4x32(SDValue Op, SelectionDAG &DAG,
SDValue SrcVector = Current->getOperand(0);
if (!V1.getNode())
V1 = SrcVector;
CanFold = SrcVector == V1 &&
cast<ConstantSDNode>(Current.getOperand(1))->getZExtValue() == i;
CanFold = (SrcVector == V1) && (Current.getConstantOperandVal(1) == i);
}
if (!CanFold)
@ -31617,10 +31616,9 @@ static SDValue combineLogicBlendIntoPBLENDV(SDNode *N, SelectionDAG &DAG,
if (auto *AmtBV = dyn_cast<BuildVectorSDNode>(Mask.getOperand(1)))
if (auto *AmtConst = AmtBV->getConstantSplatNode())
SraAmt = AmtConst->getZExtValue();
} else if (Mask.getOpcode() == X86ISD::VSRAI) {
SDValue SraC = Mask.getOperand(1);
SraAmt = cast<ConstantSDNode>(SraC)->getZExtValue();
}
} else if (Mask.getOpcode() == X86ISD::VSRAI)
SraAmt = Mask.getConstantOperandVal(1);
if ((SraAmt + 1) != EltBits)
return SDValue();
@ -34434,8 +34432,7 @@ static SDValue combineX86ADD(SDNode *N, SelectionDAG &DAG,
if (Carry.getOpcode() == ISD::SETCC ||
Carry.getOpcode() == X86ISD::SETCC ||
Carry.getOpcode() == X86ISD::SETCC_CARRY) {
auto *Cond = cast<ConstantSDNode>(Carry.getOperand(0));
if (Cond->getZExtValue() == X86::COND_B)
if (Carry.getConstantOperandVal(0) == X86::COND_B)
return DCI.CombineTo(N, SDValue(N, 0), Carry.getOperand(1));
}
}