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[X86] LowerVSETCC - merge getConstant() calls with flipped/unflipped sign masks. NFCI.

This commit is contained in:
Simon Pilgrim 2022-06-01 15:09:37 +01:00
parent 3a503a4a9c
commit de2b543505
1 changed files with 4 additions and 6 deletions
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10
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -24267,12 +24267,10 @@ static SDValue LowerVSETCC(SDValue Op, const X86Subtarget &Subtarget,
// Since SSE has no unsigned integer comparisons, we need to flip the sign
// bits of the inputs before performing those operations. The lower
// compare is always unsigned.
SDValue SB;
if (FlipSigns) {
SB = DAG.getConstant(0x8000000080000000ULL, dl, MVT::v2i64);
} else {
SB = DAG.getConstant(0x0000000080000000ULL, dl, MVT::v2i64);
}
SDValue SB = DAG.getConstant(FlipSigns ? 0x8000000080000000ULL
: 0x0000000080000000ULL,
dl, MVT::v2i64);
Op0 = DAG.getNode(ISD::XOR, dl, MVT::v2i64, Op0, SB);
Op1 = DAG.getNode(ISD::XOR, dl, MVT::v2i64, Op1, SB);