// FADD -> FMA combines:
if ((DAG.getTarget().Options.AllowFPOpFusion == FPOpFusion::Fast ||
DAG.getTarget().Options.UnsafeFPMath) &&
- DAG.getTarget().getTargetLowering()->isFMAFasterThanMulAndAdd(VT) &&
- TLI.isOperationLegalOrCustom(ISD::FMA, VT)) {
+ DAG.getTarget().getTargetLowering()->isFMAFasterThanFMulAndFAdd(VT) &&
+ (!LegalOperations || TLI.isOperationLegalOrCustom(ISD::FMA, VT))) {
// fold (fadd (fmul x, y), z) -> (fma x, y, z)
if (N0.getOpcode() == ISD::FMUL && N0->hasOneUse())
// FSUB -> FMA combines:
if ((DAG.getTarget().Options.AllowFPOpFusion == FPOpFusion::Fast ||
DAG.getTarget().Options.UnsafeFPMath) &&
- DAG.getTarget().getTargetLowering()->isFMAFasterThanMulAndAdd(VT) &&
- TLI.isOperationLegalOrCustom(ISD::FMA, VT)) {
+ DAG.getTarget().getTargetLowering()->isFMAFasterThanFMulAndFAdd(VT) &&
+ (!LegalOperations || TLI.isOperationLegalOrCustom(ISD::FMA, VT))) {
// fold (fsub (fmul x, y), z) -> (fma x, y, (fneg z))
if (N0.getOpcode() == ISD::FMUL && N0->hasOneUse())