diff options
Diffstat (limited to 'lib/Target/ARM/ARMTargetTransformInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMTargetTransformInfo.cpp | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/lib/Target/ARM/ARMTargetTransformInfo.cpp b/lib/Target/ARM/ARMTargetTransformInfo.cpp index a2ace62..ec834e8 100644 --- a/lib/Target/ARM/ARMTargetTransformInfo.cpp +++ b/lib/Target/ARM/ARMTargetTransformInfo.cpp @@ -49,7 +49,7 @@ public: ARMTTI(const ARMBaseTargetMachine *TM) : ImmutablePass(ID), TM(TM), ST(TM->getSubtargetImpl()), - TLI(TM->getTargetLowering()) { + TLI(TM->getSubtargetImpl()->getTargetLowering()) { initializeARMTTIPass(*PassRegistry::getPassRegistry()); } @@ -104,7 +104,7 @@ public: return 32; } - unsigned getMaximumUnrollFactor() const override { + unsigned getMaxInterleaveFactor() const override { // These are out of order CPUs: if (ST->isCortexA15() || ST->isSwift()) return 2; @@ -126,10 +126,11 @@ public: unsigned getAddressComputationCost(Type *Val, bool IsComplex) const override; - unsigned - getArithmeticInstrCost(unsigned Opcode, Type *Ty, - OperandValueKind Op1Info = OK_AnyValue, - OperandValueKind Op2Info = OK_AnyValue) const override; + unsigned getArithmeticInstrCost( + unsigned Opcode, Type *Ty, OperandValueKind Op1Info = OK_AnyValue, + OperandValueKind Op2Info = OK_AnyValue, + OperandValueProperties Opd1PropInfo = OP_None, + OperandValueProperties Opd2PropInfo = OP_None) const override; unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment, unsigned AddressSpace) const override; @@ -389,6 +390,13 @@ unsigned ARMTTI::getVectorInstrCost(unsigned Opcode, Type *ValTy, ValTy->getScalarSizeInBits() <= 32) return 3; + // Cross-class copies are expensive on many microarchitectures, + // so assume they are expensive by default. + if ((Opcode == Instruction::InsertElement || + Opcode == Instruction::ExtractElement) && + ValTy->getVectorElementType()->isIntegerTy()) + return 3; + return TargetTransformInfo::getVectorInstrCost(Opcode, ValTy, Index); } @@ -497,9 +505,10 @@ unsigned ARMTTI::getShuffleCost(ShuffleKind Kind, Type *Tp, int Index, return TargetTransformInfo::getShuffleCost(Kind, Tp, Index, SubTp); } -unsigned ARMTTI::getArithmeticInstrCost(unsigned Opcode, Type *Ty, - OperandValueKind Op1Info, - OperandValueKind Op2Info) const { +unsigned ARMTTI::getArithmeticInstrCost( + unsigned Opcode, Type *Ty, OperandValueKind Op1Info, + OperandValueKind Op2Info, OperandValueProperties Opd1PropInfo, + OperandValueProperties Opd2PropInfo) const { int ISDOpcode = TLI->InstructionOpcodeToISD(Opcode); std::pair<unsigned, MVT> LT = TLI->getTypeLegalizationCost(Ty); @@ -555,8 +564,8 @@ unsigned ARMTTI::getArithmeticInstrCost(unsigned Opcode, Type *Ty, if (Idx != -1) return LT.first * CostTbl[Idx].Cost; - unsigned Cost = - TargetTransformInfo::getArithmeticInstrCost(Opcode, Ty, Op1Info, Op2Info); + unsigned Cost = TargetTransformInfo::getArithmeticInstrCost( + Opcode, Ty, Op1Info, Op2Info, Opd1PropInfo, Opd2PropInfo); // This is somewhat of a hack. The problem that we are facing is that SROA // creates a sequence of shift, and, or instructions to construct values. |