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📁 ..
📄 A15SDOptimizer.cpp(24.01 KB)
📄 ARM.h(2.78 KB)
📄 ARM.td(73.6 KB)
📄 ARMAsmPrinter.cpp(80.17 KB)
📄 ARMAsmPrinter.h(5.74 KB)
📄 ARMBaseInstrInfo.cpp(209.03 KB)
📄 ARMBaseInstrInfo.h(36.07 KB)
📄 ARMBaseRegisterInfo.cpp(34.2 KB)
📄 ARMBaseRegisterInfo.h(7.84 KB)
📄 ARMBasicBlockInfo.cpp(5.18 KB)
📄 ARMBasicBlockInfo.h(5.25 KB)
📄 ARMCallLowering.cpp(19.74 KB)
📄 ARMCallLowering.h(1.89 KB)
📄 ARMCallingConv.cpp(11.8 KB)
📄 ARMCallingConv.h(2.43 KB)
📄 ARMCallingConv.td(14.63 KB)
📄 ARMConstantIslandPass.cpp(90.84 KB)
📄 ARMConstantPoolValue.cpp(11.53 KB)
📄 ARMConstantPoolValue.h(10.1 KB)
📄 ARMExpandPseudoInsts.cpp(115.56 KB)
📄 ARMFastISel.cpp(106.14 KB)
📄 ARMFeatures.h(2.48 KB)
📄 ARMFrameLowering.cpp(102.32 KB)
📄 ARMFrameLowering.h(4.02 KB)
📄 ARMHazardRecognizer.cpp(3.41 KB)
📄 ARMHazardRecognizer.h(1.54 KB)
📄 ARMISelDAGToDAG.cpp(206.42 KB)
📄 ARMISelLowering.cpp(728.6 KB)
📄 ARMISelLowering.h(38.98 KB)
📄 ARMInstrCDE.td(24.04 KB)
📄 ARMInstrFormats.td(93.92 KB)
📄 ARMInstrInfo.cpp(4.2 KB)
📄 ARMInstrInfo.h(1.49 KB)
📄 ARMInstrInfo.td(243.51 KB)
📄 ARMInstrMVE.td(299.67 KB)
📄 ARMInstrNEON.td(436.25 KB)
📄 ARMInstrThumb.td(65.92 KB)
📄 ARMInstrThumb2.td(211.06 KB)
📄 ARMInstrVFP.td(110.46 KB)
📄 ARMInstructionSelector.cpp(39.12 KB)
📄 ARMLegalizerInfo.cpp(18.8 KB)
📄 ARMLegalizerInfo.h(2.41 KB)
📄 ARMLoadStoreOptimizer.cpp(94.44 KB)
📄 ARMLowOverheadLoops.cpp(60.28 KB)
📄 ARMMCInstLower.cpp(7.2 KB)
📄 ARMMachineFunctionInfo.cpp(821 B)
📄 ARMMachineFunctionInfo.h(9.68 KB)
📄 ARMMacroFusion.cpp(2.36 KB)
📄 ARMMacroFusion.h(966 B)
📄 ARMOptimizeBarriersPass.cpp(3.43 KB)
📄 ARMParallelDSP.cpp(26.82 KB)
📄 ARMPerfectShuffle.h(382.02 KB)
📄 ARMPredicates.td(14.16 KB)
📄 ARMRegisterBankInfo.cpp(18.18 KB)
📄 ARMRegisterBankInfo.h(1.41 KB)
📄 ARMRegisterBanks.td(577 B)
📄 ARMRegisterInfo.cpp(685 B)
📄 ARMRegisterInfo.h(845 B)
📄 ARMRegisterInfo.td(24.53 KB)
📄 ARMSchedule.td(15.13 KB)
📄 ARMScheduleA57.td(62.61 KB)
📄 ARMScheduleA57WriteRes.td(11.43 KB)
📄 ARMScheduleA8.td(49.59 KB)
📄 ARMScheduleA9.td(130.35 KB)
📄 ARMScheduleM4.td(4.77 KB)
📄 ARMScheduleR52.td(44.27 KB)
📄 ARMScheduleSwift.td(50.53 KB)
📄 ARMScheduleV6.td(12.34 KB)
📄 ARMSelectionDAGInfo.cpp(9.21 KB)
📄 ARMSelectionDAGInfo.h(2.81 KB)
📄 ARMSubtarget.cpp(16.73 KB)
📄 ARMSubtarget.h(31.56 KB)
📄 ARMSystemRegister.td(5.42 KB)
📄 ARMTargetMachine.cpp(19.74 KB)
📄 ARMTargetMachine.h(3.48 KB)
📄 ARMTargetObjectFile.cpp(3.75 KB)
📄 ARMTargetObjectFile.h(1.67 KB)
📄 ARMTargetTransformInfo.cpp(63.49 KB)
📄 ARMTargetTransformInfo.h(10.22 KB)
📁 AsmParser
📁 Disassembler
📁 MCTargetDesc
📄 MLxExpansionPass.cpp(11.56 KB)
📄 MVEGatherScatterLowering.cpp(40.3 KB)
📄 MVETailPredication.cpp(23.2 KB)
📄 MVEVPTBlockPass.cpp(10.77 KB)
📄 MVEVPTOptimisationsPass.cpp(16.46 KB)
📁 TargetInfo
📄 Thumb1FrameLowering.cpp(39.45 KB)
📄 Thumb1FrameLowering.h(3.48 KB)
📄 Thumb1InstrInfo.cpp(5.73 KB)
📄 Thumb1InstrInfo.h(2.38 KB)
📄 Thumb2ITBlockPass.cpp(9.09 KB)
📄 Thumb2InstrInfo.cpp(26.43 KB)
📄 Thumb2InstrInfo.h(3.75 KB)
📄 Thumb2SizeReduction.cpp(40.25 KB)
📄 ThumbRegisterInfo.cpp(21.75 KB)
📄 ThumbRegisterInfo.h(2.44 KB)
📁 Utils

Editing: ARMConstantPoolValue.cpp

//===- ARMConstantPoolValue.cpp - ARM constantpool value ------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements the ARM specific constantpool value class.
//
//===----------------------------------------------------------------------===//

#include "ARMConstantPoolValue.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"

using namespace llvm;

//===----------------------------------------------------------------------===//
// ARMConstantPoolValue
//===----------------------------------------------------------------------===//

ARMConstantPoolValue::ARMConstantPoolValue(Type *Ty, unsigned id,
                                           ARMCP::ARMCPKind kind,
                                           unsigned char PCAdj,
                                           ARMCP::ARMCPModifier modifier,
                                           bool addCurrentAddress)
  : MachineConstantPoolValue(Ty), LabelId(id), Kind(kind),
    PCAdjust(PCAdj), Modifier(modifier),
    AddCurrentAddress(addCurrentAddress) {}

ARMConstantPoolValue::ARMConstantPoolValue(LLVMContext &C, unsigned id,
                                           ARMCP::ARMCPKind kind,
                                           unsigned char PCAdj,
                                           ARMCP::ARMCPModifier modifier,
                                           bool addCurrentAddress)
  : MachineConstantPoolValue((Type*)Type::getInt32Ty(C)),
    LabelId(id), Kind(kind), PCAdjust(PCAdj), Modifier(modifier),
    AddCurrentAddress(addCurrentAddress) {}

ARMConstantPoolValue::~ARMConstantPoolValue() = default;

StringRef ARMConstantPoolValue::getModifierText() const {
  switch (Modifier) {
    // FIXME: Are these case sensitive? It'd be nice to lower-case all the
    // strings if that's legal.
  case ARMCP::no_modifier:
    return "none";
  case ARMCP::TLSGD:
    return "tlsgd";
  case ARMCP::GOT_PREL:
    return "GOT_PREL";
  case ARMCP::GOTTPOFF:
    return "gottpoff";
  case ARMCP::TPOFF:
    return "tpoff";
  case ARMCP::SBREL:
    return "SBREL";
  case ARMCP::SECREL:
    return "secrel32";
  }
  llvm_unreachable("Unknown modifier!");
}

int ARMConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
                                                    Align Alignment) {
  llvm_unreachable("Shouldn't be calling this directly!");
}

void
ARMConstantPoolValue::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
  ID.AddInteger(LabelId);
  ID.AddInteger(PCAdjust);
}

bool
ARMConstantPoolValue::hasSameValue(ARMConstantPoolValue *ACPV) {
  if (ACPV->Kind == Kind &&
      ACPV->PCAdjust == PCAdjust &&
      ACPV->Modifier == Modifier &&
      ACPV->LabelId == LabelId &&
      ACPV->AddCurrentAddress == AddCurrentAddress) {
    // Two PC relative constpool entries containing the same GV address or
    // external symbols. FIXME: What about blockaddress?
    if (Kind == ARMCP::CPValue || Kind == ARMCP::CPExtSymbol)
      return true;
  }
  return false;
}

#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
LLVM_DUMP_METHOD void ARMConstantPoolValue::dump() const {
  errs() << "  " << *this;
}
#endif

void ARMConstantPoolValue::print(raw_ostream &O) const {
  if (Modifier) O << "(" << getModifierText() << ")";
  if (PCAdjust != 0) {
    O << "-(LPC" << LabelId << "+" << (unsigned)PCAdjust;
    if (AddCurrentAddress) O << "-.";
    O << ")";
  }
}

//===----------------------------------------------------------------------===//
// ARMConstantPoolConstant
//===----------------------------------------------------------------------===//

ARMConstantPoolConstant::ARMConstantPoolConstant(Type *Ty,
                                                 const Constant *C,
                                                 unsigned ID,
                                                 ARMCP::ARMCPKind Kind,
                                                 unsigned char PCAdj,
                                                 ARMCP::ARMCPModifier Modifier,
                                                 bool AddCurrentAddress)
  : ARMConstantPoolValue(Ty, ID, Kind, PCAdj, Modifier, AddCurrentAddress),
    CVal(C) {}

ARMConstantPoolConstant::ARMConstantPoolConstant(const Constant *C,
                                                 unsigned ID,
                                                 ARMCP::ARMCPKind Kind,
                                                 unsigned char PCAdj,
                                                 ARMCP::ARMCPModifier Modifier,
                                                 bool AddCurrentAddress)
  : ARMConstantPoolValue((Type*)C->getType(), ID, Kind, PCAdj, Modifier,
                         AddCurrentAddress),
    CVal(C) {}

ARMConstantPoolConstant::ARMConstantPoolConstant(const GlobalVariable *GV,
                                                 const Constant *C)
    : ARMConstantPoolValue((Type *)C->getType(), 0, ARMCP::CPPromotedGlobal, 0,
                           ARMCP::no_modifier, false), CVal(C) {
  GVars.insert(GV);
}

ARMConstantPoolConstant *
ARMConstantPoolConstant::Create(const Constant *C, unsigned ID) {
  return new ARMConstantPoolConstant(C, ID, ARMCP::CPValue, 0,
                                     ARMCP::no_modifier, false);
}

ARMConstantPoolConstant *
ARMConstantPoolConstant::Create(const GlobalVariable *GVar,
                                const Constant *Initializer) {
  return new ARMConstantPoolConstant(GVar, Initializer);
}

ARMConstantPoolConstant *
ARMConstantPoolConstant::Create(const GlobalValue *GV,
                                ARMCP::ARMCPModifier Modifier) {
  return new ARMConstantPoolConstant((Type*)Type::getInt32Ty(GV->getContext()),
                                     GV, 0, ARMCP::CPValue, 0,
                                     Modifier, false);
}

ARMConstantPoolConstant *
ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
                                ARMCP::ARMCPKind Kind, unsigned char PCAdj) {
  return new ARMConstantPoolConstant(C, ID, Kind, PCAdj,
                                     ARMCP::no_modifier, false);
}

ARMConstantPoolConstant *
ARMConstantPoolConstant::Create(const Constant *C, unsigned ID,
                                ARMCP::ARMCPKind Kind, unsigned char PCAdj,
                                ARMCP::ARMCPModifier Modifier,
                                bool AddCurrentAddress) {
  return new ARMConstantPoolConstant(C, ID, Kind, PCAdj, Modifier,
                                     AddCurrentAddress);
}

const GlobalValue *ARMConstantPoolConstant::getGV() const {
  return dyn_cast_or_null<GlobalValue>(CVal);
}

const BlockAddress *ARMConstantPoolConstant::getBlockAddress() const {
  return dyn_cast_or_null<BlockAddress>(CVal);
}

int ARMConstantPoolConstant::getExistingMachineCPValue(MachineConstantPool *CP,
                                                       Align Alignment) {
  int index =
    getExistingMachineCPValueImpl<ARMConstantPoolConstant>(CP, Alignment);
  if (index != -1) {
    auto *CPV = static_cast<ARMConstantPoolValue*>(
        CP->getConstants()[index].Val.MachineCPVal);
    auto *Constant = cast<ARMConstantPoolConstant>(CPV);
    Constant->GVars.insert(GVars.begin(), GVars.end());
  }
  return index;
}

bool ARMConstantPoolConstant::hasSameValue(ARMConstantPoolValue *ACPV) {
  const ARMConstantPoolConstant *ACPC = dyn_cast<ARMConstantPoolConstant>(ACPV);
  return ACPC && ACPC->CVal == CVal && ARMConstantPoolValue::hasSameValue(ACPV);
}

void ARMConstantPoolConstant::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
  ID.AddPointer(CVal);
  for (const auto *GV : GVars)
    ID.AddPointer(GV);
  ARMConstantPoolValue::addSelectionDAGCSEId(ID);
}

void ARMConstantPoolConstant::print(raw_ostream &O) const {
  O << CVal->getName();
  ARMConstantPoolValue::print(O);
}

//===----------------------------------------------------------------------===//
// ARMConstantPoolSymbol
//===----------------------------------------------------------------------===//

ARMConstantPoolSymbol::ARMConstantPoolSymbol(LLVMContext &C, StringRef s,
                                             unsigned id, unsigned char PCAdj,
                                             ARMCP::ARMCPModifier Modifier,
                                             bool AddCurrentAddress)
    : ARMConstantPoolValue(C, id, ARMCP::CPExtSymbol, PCAdj, Modifier,
                           AddCurrentAddress),
      S(std::string(s)) {}

ARMConstantPoolSymbol *ARMConstantPoolSymbol::Create(LLVMContext &C,
                                                     StringRef s, unsigned ID,
                                                     unsigned char PCAdj) {
  return new ARMConstantPoolSymbol(C, s, ID, PCAdj, ARMCP::no_modifier, false);
}

int ARMConstantPoolSymbol::getExistingMachineCPValue(MachineConstantPool *CP,
                                                     Align Alignment) {
  return getExistingMachineCPValueImpl<ARMConstantPoolSymbol>(CP, Alignment);
}

bool ARMConstantPoolSymbol::hasSameValue(ARMConstantPoolValue *ACPV) {
  const ARMConstantPoolSymbol *ACPS = dyn_cast<ARMConstantPoolSymbol>(ACPV);
  return ACPS && ACPS->S == S && ARMConstantPoolValue::hasSameValue(ACPV);
}

void ARMConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
  ID.AddString(S);
  ARMConstantPoolValue::addSelectionDAGCSEId(ID);
}

void ARMConstantPoolSymbol::print(raw_ostream &O) const {
  O << S;
  ARMConstantPoolValue::print(O);
}

//===----------------------------------------------------------------------===//
// ARMConstantPoolMBB
//===----------------------------------------------------------------------===//

ARMConstantPoolMBB::ARMConstantPoolMBB(LLVMContext &C,
                                       const MachineBasicBlock *mbb,
                                       unsigned id, unsigned char PCAdj,
                                       ARMCP::ARMCPModifier Modifier,
                                       bool AddCurrentAddress)
  : ARMConstantPoolValue(C, id, ARMCP::CPMachineBasicBlock, PCAdj,
                         Modifier, AddCurrentAddress),
    MBB(mbb) {}

ARMConstantPoolMBB *ARMConstantPoolMBB::Create(LLVMContext &C,
                                               const MachineBasicBlock *mbb,
                                               unsigned ID,
                                               unsigned char PCAdj) {
  return new ARMConstantPoolMBB(C, mbb, ID, PCAdj, ARMCP::no_modifier, false);
}

int ARMConstantPoolMBB::getExistingMachineCPValue(MachineConstantPool *CP,
                                                  Align Alignment) {
  return getExistingMachineCPValueImpl<ARMConstantPoolMBB>(CP, Alignment);
}

bool ARMConstantPoolMBB::hasSameValue(ARMConstantPoolValue *ACPV) {
  const ARMConstantPoolMBB *ACPMBB = dyn_cast<ARMConstantPoolMBB>(ACPV);
  return ACPMBB && ACPMBB->MBB == MBB &&
    ARMConstantPoolValue::hasSameValue(ACPV);
}

void ARMConstantPoolMBB::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
  ID.AddPointer(MBB);
  ARMConstantPoolValue::addSelectionDAGCSEId(ID);
}

void ARMConstantPoolMBB::print(raw_ostream &O) const {
  O << printMBBReference(*MBB);
  ARMConstantPoolValue::print(O);
}

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Editing: ARMConstantPoolValue.cpp

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