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[TargetLowering] Use LegalOnly operand to isOperationLegalOrCustom to simplify some code. NFC

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This commit is contained in:
Craig Topper 2021-02-04 12:30:15 -08:00
parent 1361c5e7d7
commit 8cc9c42a0c
1 changed files with 4 additions and 8 deletions
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12
llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
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@ -5158,11 +5158,9 @@ SDValue TargetLowering::BuildSDIV(SDNode *N, SelectionDAG &DAG,
// Multiply the numerator (operand 0) by the magic value.
// FIXME: We should support doing a MUL in a wider type.
SDValue Q;
if (IsAfterLegalization ? isOperationLegal(ISD::MULHS, VT)
: isOperationLegalOrCustom(ISD::MULHS, VT))
if (isOperationLegalOrCustom(ISD::MULHS, VT, IsAfterLegalization))
Q = DAG.getNode(ISD::MULHS, dl, VT, N0, MagicFactor);
else if (IsAfterLegalization ? isOperationLegal(ISD::SMUL_LOHI, VT)
: isOperationLegalOrCustom(ISD::SMUL_LOHI, VT)) {
else if (isOperationLegalOrCustom(ISD::SMUL_LOHI, VT, IsAfterLegalization)) {
SDValue LoHi =
DAG.getNode(ISD::SMUL_LOHI, dl, DAG.getVTList(VT, VT), N0, MagicFactor);
Q = SDValue(LoHi.getNode(), 1);
@ -5286,11 +5284,9 @@ SDValue TargetLowering::BuildUDIV(SDNode *N, SelectionDAG &DAG,
// FIXME: We should support doing a MUL in a wider type.
auto GetMULHU = [&](SDValue X, SDValue Y) {
if (IsAfterLegalization ? isOperationLegal(ISD::MULHU, VT)
: isOperationLegalOrCustom(ISD::MULHU, VT))
if (isOperationLegalOrCustom(ISD::MULHU, VT, IsAfterLegalization))
return DAG.getNode(ISD::MULHU, dl, VT, X, Y);
if (IsAfterLegalization ? isOperationLegal(ISD::UMUL_LOHI, VT)
: isOperationLegalOrCustom(ISD::UMUL_LOHI, VT)) {
if (isOperationLegalOrCustom(ISD::UMUL_LOHI, VT, IsAfterLegalization)) {
SDValue LoHi =
DAG.getNode(ISD::UMUL_LOHI, dl, DAG.getVTList(VT, VT), X, Y);
return SDValue(LoHi.getNode(), 1);