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[X86] Use getConstantOperandVal helper in a few places. NFC. 

Avoid raw cast<ConstantSDNode> calls.
This commit is contained in:
Simon Pilgrim 2020-05-15 17:30:55 +01:00
parent 4580b0f5b6
commit 9825d3daa8
1 changed files with 3 additions and 4 deletions
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7
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -9147,8 +9147,8 @@ static bool isHorizontalBinOpPart(const BuildVectorSDNode *N, unsigned Opcode,
if (!CanFold)
break;
unsigned I0 = cast<ConstantSDNode>(Op0.getOperand(1))->getZExtValue();
unsigned I1 = cast<ConstantSDNode>(Op1.getOperand(1))->getZExtValue();
unsigned I0 = Op0.getConstantOperandVal(1);
unsigned I1 = Op1.getConstantOperandVal(1);
if (i * 2 < NumElts) {
if (V0.isUndef()) {
@ -9296,11 +9296,10 @@ static bool isAddSubOrSubAdd(const BuildVectorSDNode *BV,
if (Op0.getOpcode() != ISD::EXTRACT_VECTOR_ELT ||
Op1.getOpcode() != ISD::EXTRACT_VECTOR_ELT ||
!isa<ConstantSDNode>(Op0.getOperand(1)) ||
!isa<ConstantSDNode>(Op1.getOperand(1)) ||
Op0.getOperand(1) != Op1.getOperand(1))
return false;
unsigned I0 = cast<ConstantSDNode>(Op0.getOperand(1))->getZExtValue();
unsigned I0 = Op0.getConstantOperandVal(1);
if (I0 != i)
return false;