diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetTransformInfo.cpp | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp index f73bad8882e..e1d96e7fad8 100644 --- a/llvm/lib/Target/X86/X86TargetTransformInfo.cpp +++ b/llvm/lib/Target/X86/X86TargetTransformInfo.cpp @@ -2037,14 +2037,19 @@ int X86TTIImpl::getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy, { ISD::FSQRT, MVT::v4f32, 56 }, // Pentium III from http://www.agner.org/ }; static const CostTblEntry X64CostTbl[] = { // 64-bit targets - { ISD::BITREVERSE, MVT::i64, 14 } + { ISD::BITREVERSE, MVT::i64, 14 }, + { ISD::UADDO, MVT::i64, 1 }, }; static const CostTblEntry X86CostTbl[] = { // 32 or 64-bit targets { ISD::BITREVERSE, MVT::i32, 14 }, { ISD::BITREVERSE, MVT::i16, 14 }, - { ISD::BITREVERSE, MVT::i8, 11 } + { ISD::BITREVERSE, MVT::i8, 11 }, + { ISD::UADDO, MVT::i32, 1 }, + { ISD::UADDO, MVT::i16, 1 }, + { ISD::UADDO, MVT::i8, 1 }, }; + Type *OpTy = RetTy; unsigned ISD = ISD::DELETED_NODE; switch (IID) { default: @@ -2079,11 +2084,17 @@ int X86TTIImpl::getIntrinsicInstrCost(Intrinsic::ID IID, Type *RetTy, case Intrinsic::sqrt: ISD = ISD::FSQRT; break; + case Intrinsic::uadd_with_overflow: + case Intrinsic::usub_with_overflow: + // USUBO has same costs so don't duplicate. + ISD = ISD::UADDO; + OpTy = RetTy->getContainedType(0); + break; } if (ISD != ISD::DELETED_NODE) { // Legalize the type. - std::pair<int, MVT> LT = TLI->getTypeLegalizationCost(DL, RetTy); + std::pair<int, MVT> LT = TLI->getTypeLegalizationCost(DL, OpTy); MVT MTy = LT.second; // Attempt to lookup cost. |
