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usr / src / contrib / llvm-project / llvm / lib / Target / Hexagon /

📁 ..
📁 AsmParser
📄 BitTracker.cpp(35.36 KB)
📄 BitTracker.h(17.25 KB)
📁 Disassembler
📄 Hexagon.h(1004 B)
📄 Hexagon.td(17.33 KB)
📄 HexagonArch.h(1.2 KB)
📄 HexagonAsmPrinter.cpp(26.65 KB)
📄 HexagonAsmPrinter.h(2.03 KB)
📄 HexagonBitSimplify.cpp(107.45 KB)
📄 HexagonBitTracker.cpp(39.88 KB)
📄 HexagonBitTracker.h(2.5 KB)
📄 HexagonBlockRanges.cpp(15.85 KB)
📄 HexagonBlockRanges.h(6.97 KB)
📄 HexagonBranchRelaxation.cpp(7.78 KB)
📄 HexagonCFGOptimizer.cpp(8.4 KB)
📄 HexagonCallingConv.td(4.46 KB)
📄 HexagonCommonGEP.cpp(41.47 KB)
📄 HexagonConstExtenders.cpp(70.64 KB)
📄 HexagonConstPropagation.cpp(97.75 KB)
📄 HexagonCopyToCombine.cpp(32.2 KB)
📄 HexagonDepArch.h(2.04 KB)
📄 HexagonDepArch.td(1.87 KB)
📄 HexagonDepDecoders.inc(2.55 KB)
📄 HexagonDepIICHVX.td(113.05 KB)
📄 HexagonDepIICScalar.td(224.12 KB)
📄 HexagonDepITypes.h(1.51 KB)
📄 HexagonDepITypes.td(1.91 KB)
📄 HexagonDepInstrFormats.td(91.89 KB)
📄 HexagonDepInstrInfo.td(1021.44 KB)
📄 HexagonDepMapAsm2Intrin.td(255.17 KB)
📄 HexagonDepMappings.td(64.27 KB)
📄 HexagonDepMask.h(51.94 KB)
📄 HexagonDepOperands.td(12.12 KB)
📄 HexagonDepTimingClasses.h(4.69 KB)
📄 HexagonEarlyIfConv.cpp(37.36 KB)
📄 HexagonExpandCondsets.cpp(48.55 KB)
📄 HexagonFixupHwLoops.cpp(6.54 KB)
📄 HexagonFrameLowering.cpp(97.16 KB)
📄 HexagonFrameLowering.h(7.85 KB)
📄 HexagonGenExtract.cpp(8.61 KB)
📄 HexagonGenInsert.cpp(53.24 KB)
📄 HexagonGenMux.cpp(12.71 KB)
📄 HexagonGenPredicate.cpp(16.25 KB)
📄 HexagonHardwareLoops.cpp(70.32 KB)
📄 HexagonHazardRecognizer.cpp(5.85 KB)
📄 HexagonHazardRecognizer.h(3.58 KB)
📄 HexagonIICHVX.td(1.21 KB)
📄 HexagonIICScalar.td(1.34 KB)
📄 HexagonISelDAGToDAG.cpp(78.63 KB)
📄 HexagonISelDAGToDAG.h(5.88 KB)
📄 HexagonISelDAGToDAGHVX.cpp(68.26 KB)
📄 HexagonISelLowering.cpp(134.65 KB)
📄 HexagonISelLowering.h(22.5 KB)
📄 HexagonISelLoweringHVX.cpp(70.57 KB)
📄 HexagonInstrFormats.td(12.04 KB)
📄 HexagonInstrFormatsV60.td(1.03 KB)
📄 HexagonInstrFormatsV65.td(1.54 KB)
📄 HexagonInstrInfo.cpp(161.08 KB)
📄 HexagonInstrInfo.h(25.31 KB)
📄 HexagonIntrinsics.td(19.21 KB)
📄 HexagonIntrinsicsV5.td(16.8 KB)
📄 HexagonIntrinsicsV60.td(28.9 KB)
📄 HexagonLoopIdiomRecognition.cpp(79.16 KB)
📄 HexagonMCInstLower.cpp(6.25 KB)
📄 HexagonMachineFunctionInfo.cpp(507 B)
📄 HexagonMachineFunctionInfo.h(3.32 KB)
📄 HexagonMachineScheduler.cpp(34.25 KB)
📄 HexagonMachineScheduler.h(8.66 KB)
📄 HexagonMapAsm2IntrinV62.gen.td(8.71 KB)
📄 HexagonMapAsm2IntrinV65.gen.td(12.43 KB)
📄 HexagonNewValueJump.cpp(25.57 KB)
📄 HexagonOperands.td(1.62 KB)
📄 HexagonOptAddrMode.cpp(29.37 KB)
📄 HexagonOptimizeSZextends.cpp(4.74 KB)
📄 HexagonPatterns.td(142.35 KB)
📄 HexagonPatternsHVX.td(22.06 KB)
📄 HexagonPatternsV65.td(2.96 KB)
📄 HexagonPeephole.cpp(10.18 KB)
📄 HexagonPseudo.td(21.62 KB)
📄 HexagonRDFOpt.cpp(9.94 KB)
📄 HexagonRegisterInfo.cpp(12.03 KB)
📄 HexagonRegisterInfo.h(2.88 KB)
📄 HexagonRegisterInfo.td(20.42 KB)
📄 HexagonSchedule.td(2.33 KB)
📄 HexagonScheduleV5.td(1.73 KB)
📄 HexagonScheduleV55.td(1.81 KB)
📄 HexagonScheduleV60.td(4.31 KB)
📄 HexagonScheduleV62.td(1.53 KB)
📄 HexagonScheduleV65.td(1.57 KB)
📄 HexagonScheduleV66.td(1.57 KB)
📄 HexagonScheduleV67.td(1.57 KB)
📄 HexagonScheduleV67T.td(2.51 KB)
📄 HexagonSelectionDAGInfo.cpp(2.35 KB)
📄 HexagonSelectionDAGInfo.h(1.24 KB)
📄 HexagonSplitConst32AndConst64.cpp(4.15 KB)
📄 HexagonSplitDouble.cpp(37.86 KB)
📄 HexagonStoreWidening.cpp(20.47 KB)
📄 HexagonSubtarget.cpp(20.97 KB)
📄 HexagonSubtarget.h(10.59 KB)
📄 HexagonTargetMachine.cpp(16 KB)
📄 HexagonTargetMachine.h(1.77 KB)
📄 HexagonTargetObjectFile.cpp(16.8 KB)
📄 HexagonTargetObjectFile.h(2.17 KB)
📄 HexagonTargetStreamer.h(1.2 KB)
📄 HexagonTargetTransformInfo.cpp(13.11 KB)
📄 HexagonTargetTransformInfo.h(6.27 KB)
📄 HexagonVExtract.cpp(6.64 KB)
📄 HexagonVLIWPacketizer.cpp(67.01 KB)
📄 HexagonVLIWPacketizer.h(6.09 KB)
📄 HexagonVectorLoopCarriedReuse.cpp(23.99 KB)
📄 HexagonVectorPrint.cpp(7.06 KB)
📁 MCTargetDesc
📄 RDFCopy.cpp(6.37 KB)
📄 RDFCopy.h(1.69 KB)
📄 RDFDeadCode.cpp(7.5 KB)
📄 RDFDeadCode.h(2.33 KB)
📁 TargetInfo

Editing: HexagonTargetTransformInfo.h

//==- HexagonTargetTransformInfo.cpp - Hexagon specific TTI pass -*- C++ -*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
/// \file
/// This file implements a TargetTransformInfo analysis pass specific to the
/// Hexagon target machine. It uses the target's detailed information to provide
/// more precise answers to certain TTI queries, while letting the target
/// independent and default TTI implementations handle the rest.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETTRANSFORMINFO_H
#define LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETTRANSFORMINFO_H

#include "Hexagon.h"
#include "HexagonSubtarget.h"
#include "HexagonTargetMachine.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/CodeGen/BasicTTIImpl.h"
#include "llvm/IR/Function.h"

namespace llvm {

class Loop;
class ScalarEvolution;
class User;
class Value;

class HexagonTTIImpl : public BasicTTIImplBase<HexagonTTIImpl> {
  using BaseT = BasicTTIImplBase<HexagonTTIImpl>;
  using TTI = TargetTransformInfo;

friend BaseT;

const HexagonSubtarget &ST;
  const HexagonTargetLowering &TLI;

const HexagonSubtarget *getST() const { return &ST; }
  const HexagonTargetLowering *getTLI() const { return &TLI; }

bool useHVX() const;
  bool isTypeForHVX(Type *VecTy) const;

// Returns the number of vector elements of Ty, if Ty is a vector type,
  // or 1 if Ty is a scalar type. It is incorrect to call this function
  // with any other type.
  unsigned getTypeNumElements(Type *Ty) const;

public:
  explicit HexagonTTIImpl(const HexagonTargetMachine *TM, const Function &F)
      : BaseT(TM, F.getParent()->getDataLayout()),
        ST(*TM->getSubtargetImpl(F)), TLI(*ST.getTargetLowering()) {}

/// \name Scalar TTI Implementations
  /// @{

TTI::PopcntSupportKind getPopcntSupport(unsigned IntTyWidthInBit) const;

// The Hexagon target can unroll loops with run-time trip counts.
  void getUnrollingPreferences(Loop *L, ScalarEvolution &SE,
                               TTI::UnrollingPreferences &UP);

void getPeelingPreferences(Loop *L, ScalarEvolution &SE,
                             TTI::PeelingPreferences &PP);

/// Bias LSR towards creating post-increment opportunities.
  bool shouldFavorPostInc() const;

// L1 cache prefetch.
  unsigned getPrefetchDistance() const override;
  unsigned getCacheLineSize() const override;

/// @}

/// \name Vector TTI Implementations
  /// @{

unsigned getNumberOfRegisters(bool vector) const;
  unsigned getMaxInterleaveFactor(unsigned VF);
  unsigned getRegisterBitWidth(bool Vector) const;
  unsigned getMinVectorRegisterBitWidth() const;
  unsigned getMinimumVF(unsigned ElemWidth) const;

bool shouldMaximizeVectorBandwidth(bool OptSize) const {
    return true;
  }
  bool supportsEfficientVectorElementLoadStore() {
    return false;
  }
  bool hasBranchDivergence() {
    return false;
  }
  bool enableAggressiveInterleaving(bool LoopHasReductions) {
    return false;
  }
  bool prefersVectorizedAddressing() {
    return false;
  }
  bool enableInterleavedAccessVectorization() {
    return true;
  }

unsigned getScalarizationOverhead(VectorType *Ty, const APInt &DemandedElts,
                                    bool Insert, bool Extract);
  unsigned getOperandsScalarizationOverhead(ArrayRef<const Value *> Args,
                                            unsigned VF);
  unsigned getCallInstrCost(Function *F, Type *RetTy, ArrayRef<Type*> Tys,
                            TTI::TargetCostKind CostKind);
  unsigned getIntrinsicInstrCost(const IntrinsicCostAttributes &ICA,
                                 TTI::TargetCostKind CostKind);
  unsigned getAddressComputationCost(Type *Tp, ScalarEvolution *SE,
            const SCEV *S);
  unsigned getMemoryOpCost(unsigned Opcode, Type *Src, MaybeAlign Alignment,
                           unsigned AddressSpace,
                           TTI::TargetCostKind CostKind,
                           const Instruction *I = nullptr);
  unsigned
  getMaskedMemoryOpCost(unsigned Opcode, Type *Src, Align Alignment,
                        unsigned AddressSpace,
                        TTI::TargetCostKind CostKind = TTI::TCK_SizeAndLatency);
  unsigned getShuffleCost(TTI::ShuffleKind Kind, Type *Tp, int Index,
            Type *SubTp);
  unsigned getGatherScatterOpCost(unsigned Opcode, Type *DataTy,
                                  const Value *Ptr, bool VariableMask,
                                  Align Alignment, TTI::TargetCostKind CostKind,
                                  const Instruction *I);
  unsigned getInterleavedMemoryOpCost(
      unsigned Opcode, Type *VecTy, unsigned Factor, ArrayRef<unsigned> Indices,
      Align Alignment, unsigned AddressSpace,
      TTI::TargetCostKind CostKind = TTI::TCK_SizeAndLatency,
      bool UseMaskForCond = false, bool UseMaskForGaps = false);
  unsigned getCmpSelInstrCost(unsigned Opcode, Type *ValTy, Type *CondTy,
                              TTI::TargetCostKind CostKind,
                              const Instruction *I = nullptr);
  unsigned getArithmeticInstrCost(
      unsigned Opcode, Type *Ty,
      TTI::TargetCostKind CostKind = TTI::TCK_RecipThroughput,
      TTI::OperandValueKind Opd1Info = TTI::OK_AnyValue,
      TTI::OperandValueKind Opd2Info = TTI::OK_AnyValue,
      TTI::OperandValueProperties Opd1PropInfo = TTI::OP_None,
      TTI::OperandValueProperties Opd2PropInfo = TTI::OP_None,
      ArrayRef<const Value *> Args = ArrayRef<const Value *>(),
      const Instruction *CxtI = nullptr);
  unsigned getCastInstrCost(unsigned Opcode, Type *Dst, Type *Src,
            TTI::TargetCostKind CostKind,
            const Instruction *I = nullptr);
  unsigned getVectorInstrCost(unsigned Opcode, Type *Val, unsigned Index);

unsigned getCFInstrCost(unsigned Opcode, TTI::TargetCostKind CostKind) {
    return 1;
  }

/// @}

int getUserCost(const User *U, ArrayRef<const Value *> Operands,
                  TTI::TargetCostKind CostKind);

// Hexagon specific decision to generate a lookup table.
  bool shouldBuildLookupTables() const;
};

} // end namespace llvm
#endif // LLVM_LIB_TARGET_HEXAGON_HEXAGONTARGETTRANSFORMINFO_H

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Editing: HexagonTargetTransformInfo.h

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