#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Target/TargetLowering.h"
#include <utility>
-
using namespace llvm;
namespace {
-class BasicTTI : public ImmutablePass, public TargetTransformInfo {
+class BasicTTI final : public ImmutablePass, public TargetTransformInfo {
const TargetMachine *TM;
/// Estimate the overhead of scalarizing an instruction. Insert and Extract
initializeBasicTTIPass(*PassRegistry::getPassRegistry());
}
- virtual void initializePass() {
+ void initializePass() override {
pushTTIStack(this);
}
- virtual void finalizePass() {
- popTTIStack();
- }
-
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
TargetTransformInfo::getAnalysisUsage(AU);
}
static char ID;
/// Provide necessary pointer adjustments for the two base classes.
- virtual void *getAdjustedAnalysisPointer(const void *ID) {
+ void *getAdjustedAnalysisPointer(const void *ID) override {
if (ID == &TargetTransformInfo::ID)
return (TargetTransformInfo*)this;
return this;
}
- virtual bool hasBranchDivergence() const;
+ bool hasBranchDivergence() const override;
/// \name Scalar TTI Implementations
/// @{
- virtual bool isLegalAddImmediate(int64_t imm) const;
- virtual bool isLegalICmpImmediate(int64_t imm) const;
- virtual bool isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
- int64_t BaseOffset, bool HasBaseReg,
- int64_t Scale) const;
- virtual int getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
- int64_t BaseOffset, bool HasBaseReg,
- int64_t Scale) const;
- virtual bool isTruncateFree(Type *Ty1, Type *Ty2) const;
- virtual bool isTypeLegal(Type *Ty) const;
- virtual unsigned getJumpBufAlignment() const;
- virtual unsigned getJumpBufSize() const;
- virtual bool shouldBuildLookupTables() const;
- virtual bool haveFastSqrt(Type *Ty) const;
- virtual void getUnrollingPreferences(Loop *L, UnrollingPreferences &UP) const;
+ bool isLegalAddImmediate(int64_t imm) const override;
+ bool isLegalICmpImmediate(int64_t imm) const override;
+ bool isLegalAddressingMode(Type *Ty, GlobalValue *BaseGV,
+ int64_t BaseOffset, bool HasBaseReg,
+ int64_t Scale) const override;
+ int getScalingFactorCost(Type *Ty, GlobalValue *BaseGV,
+ int64_t BaseOffset, bool HasBaseReg,
+ int64_t Scale) const override;
+ bool isTruncateFree(Type *Ty1, Type *Ty2) const override;
+ bool isTypeLegal(Type *Ty) const override;
+ unsigned getJumpBufAlignment() const override;
+ unsigned getJumpBufSize() const override;
+ bool shouldBuildLookupTables() const override;
+ bool haveFastSqrt(Type *Ty) const override;
+ void getUnrollingPreferences(Loop *L,
+ UnrollingPreferences &UP) const override;
/// @}
/// \name Vector TTI Implementations
/// @{
- virtual unsigned getNumberOfRegisters(bool Vector) const;
- virtual unsigned getMaximumUnrollFactor() const;
- virtual unsigned getRegisterBitWidth(bool Vector) const;
- virtual unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty,
- OperandValueKind,
- OperandValueKind) const;
- virtual unsigned getShuffleCost(ShuffleKind Kind, Type *Tp,
- int Index, Type *SubTp) const;
- virtual unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
- Type *Src) const;
- virtual unsigned getCFInstrCost(unsigned Opcode) const;
- virtual unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
- Type *CondTy) const;
- virtual unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
- unsigned Index) const;
- virtual unsigned getMemoryOpCost(unsigned Opcode, Type *Src,
- unsigned Alignment,
- unsigned AddressSpace) const;
- virtual unsigned getIntrinsicInstrCost(Intrinsic::ID, Type *RetTy,
- ArrayRef<Type*> Tys) const;
- virtual unsigned getNumberOfParts(Type *Tp) const;
- virtual unsigned getAddressComputationCost(Type *Ty, bool IsComplex) const;
- virtual unsigned getReductionCost(unsigned Opcode, Type *Ty, bool IsPairwise) const;
+ unsigned getNumberOfRegisters(bool Vector) const override;
+ unsigned getMaximumUnrollFactor() const override;
+ unsigned getRegisterBitWidth(bool Vector) const override;
+ unsigned getArithmeticInstrCost(unsigned Opcode, Type *Ty, OperandValueKind,
+ OperandValueKind) const override;
+ unsigned getShuffleCost(ShuffleKind Kind, Type *Tp,
+ int Index, Type *SubTp) const override;
+ unsigned getCastInstrCost(unsigned Opcode, Type *Dst,
+ Type *Src) const override;
+ unsigned getCFInstrCost(unsigned Opcode) const override;
+ unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy,
+ Type *CondTy) const override;
+ unsigned getVectorInstrCost(unsigned Opcode, Type *Val,
+ unsigned Index) const override;
+ unsigned getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,
+ unsigned AddressSpace) const override;
+ unsigned getIntrinsicInstrCost(Intrinsic::ID, Type *RetTy,
+ ArrayRef<Type*> Tys) const override;
+ unsigned getNumberOfParts(Type *Tp) const override;
+ unsigned getAddressComputationCost( Type *Ty, bool IsComplex) const override;
+ unsigned getReductionCost(unsigned Opcode, Type *Ty,
+ bool IsPairwise) const override;
/// @}
};
unsigned BasicTTI::getVectorInstrCost(unsigned Opcode, Type *Val,
unsigned Index) const {
- return 1;
+ std::pair<unsigned, MVT> LT = getTLI()->getTypeLegalizationCost(Val->getScalarType());
+
+ return LT.first;
}
unsigned BasicTTI::getMemoryOpCost(unsigned Opcode, Type *Src,