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Current Path: /usr/src/contrib/llvm-project/llvm/lib/Target/Hexagon

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: HexagonMCInstLower.cpp

//===- HexagonMCInstLower.cpp - Convert Hexagon MachineInstr to an MCInst -===//
//
// 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 contains code to lower Hexagon MachineInstrs to their corresponding
// MCInst records.
//
//===----------------------------------------------------------------------===//

#include "Hexagon.h"
#include "HexagonAsmPrinter.h"
#include "MCTargetDesc/HexagonMCExpr.h"
#include "MCTargetDesc/HexagonMCInstrInfo.h"
#include "MCTargetDesc/HexagonMCTargetDesc.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/CodeGen/MachineOperand.h"
#include "llvm/IR/Constants.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include <cassert>

using namespace llvm;

namespace llvm {

void HexagonLowerToMC(const MCInstrInfo &MCII, const MachineInstr *MI,
                      MCInst &MCB, HexagonAsmPrinter &AP);

} // end namespace llvm

static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
                              HexagonAsmPrinter &Printer, bool MustExtend) {
  MCContext &MC = Printer.OutContext;
  const MCExpr *ME;

// Populate the relocation type based on Hexagon target flags
  // set on an operand
  MCSymbolRefExpr::VariantKind RelocationType;
  switch (MO.getTargetFlags() & ~HexagonII::HMOTF_ConstExtended) {
  default:
    RelocationType = MCSymbolRefExpr::VK_None;
    break;
  case HexagonII::MO_PCREL:
    RelocationType = MCSymbolRefExpr::VK_PCREL;
    break;
  case HexagonII::MO_GOT:
    RelocationType = MCSymbolRefExpr::VK_GOT;
    break;
  case HexagonII::MO_LO16:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_LO16;
    break;
  case HexagonII::MO_HI16:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_HI16;
    break;
  case HexagonII::MO_GPREL:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_GPREL;
    break;
  case HexagonII::MO_GDGOT:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_GD_GOT;
    break;
  case HexagonII::MO_GDPLT:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_GD_PLT;
    break;
  case HexagonII::MO_IE:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_IE;
    break;
  case HexagonII::MO_IEGOT:
    RelocationType = MCSymbolRefExpr::VK_Hexagon_IE_GOT;
    break;
  case HexagonII::MO_TPREL:
    RelocationType = MCSymbolRefExpr::VK_TPREL;
    break;
  }

ME = MCSymbolRefExpr::create(Symbol, RelocationType, MC);

if (!MO.isJTI() && MO.getOffset())
    ME = MCBinaryExpr::createAdd(ME, MCConstantExpr::create(MO.getOffset(), MC),
                                 MC);

ME = HexagonMCExpr::create(ME, MC);
  HexagonMCInstrInfo::setMustExtend(*ME, MustExtend);
  return MCOperand::createExpr(ME);
}

// Create an MCInst from a MachineInstr
void llvm::HexagonLowerToMC(const MCInstrInfo &MCII, const MachineInstr *MI,
                            MCInst &MCB, HexagonAsmPrinter &AP) {
  if (MI->getOpcode() == Hexagon::ENDLOOP0) {
    HexagonMCInstrInfo::setInnerLoop(MCB);
    return;
  }
  if (MI->getOpcode() == Hexagon::ENDLOOP1) {
    HexagonMCInstrInfo::setOuterLoop(MCB);
    return;
  }
  MCInst *MCI = new (AP.OutContext) MCInst;
  MCI->setOpcode(MI->getOpcode());
  assert(MCI->getOpcode() == static_cast<unsigned>(MI->getOpcode()) &&
         "MCI opcode should have been set on construction");

for (unsigned i = 0, e = MI->getNumOperands(); i < e; i++) {
    const MachineOperand &MO = MI->getOperand(i);
    MCOperand MCO;
    bool MustExtend = MO.getTargetFlags() & HexagonII::HMOTF_ConstExtended;

switch (MO.getType()) {
    default:
      MI->print(errs());
      llvm_unreachable("unknown operand type");
    case MachineOperand::MO_RegisterMask:
      continue;
    case MachineOperand::MO_Register:
      // Ignore all implicit register operands.
      if (MO.isImplicit())
        continue;
      MCO = MCOperand::createReg(MO.getReg());
      break;
    case MachineOperand::MO_FPImmediate: {
      APFloat Val = MO.getFPImm()->getValueAPF();
      // FP immediates are used only when setting GPRs, so they may be dealt
      // with like regular immediates from this point on.
      auto Expr = HexagonMCExpr::create(
          MCConstantExpr::create(*Val.bitcastToAPInt().getRawData(),
                                 AP.OutContext),
          AP.OutContext);
      HexagonMCInstrInfo::setMustExtend(*Expr, MustExtend);
      MCO = MCOperand::createExpr(Expr);
      break;
    }
    case MachineOperand::MO_Immediate: {
      auto Expr = HexagonMCExpr::create(
          MCConstantExpr::create(MO.getImm(), AP.OutContext), AP.OutContext);
      HexagonMCInstrInfo::setMustExtend(*Expr, MustExtend);
      MCO = MCOperand::createExpr(Expr);
      break;
    }
    case MachineOperand::MO_MachineBasicBlock: {
      MCExpr const *Expr = MCSymbolRefExpr::create(MO.getMBB()->getSymbol(),
                                                   AP.OutContext);
      Expr = HexagonMCExpr::create(Expr, AP.OutContext);
      HexagonMCInstrInfo::setMustExtend(*Expr, MustExtend);
      MCO = MCOperand::createExpr(Expr);
      break;
    }
    case MachineOperand::MO_GlobalAddress:
      MCO = GetSymbolRef(MO, AP.getSymbol(MO.getGlobal()), AP, MustExtend);
      break;
    case MachineOperand::MO_ExternalSymbol:
      MCO = GetSymbolRef(MO, AP.GetExternalSymbolSymbol(MO.getSymbolName()),
                         AP, MustExtend);
      break;
    case MachineOperand::MO_JumpTableIndex:
      MCO = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP, MustExtend);
      break;
    case MachineOperand::MO_ConstantPoolIndex:
      MCO = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP, MustExtend);
      break;
    case MachineOperand::MO_BlockAddress:
      MCO = GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()), AP,
                         MustExtend);
      break;
    }

MCI->addOperand(MCO);
  }
  AP.HexagonProcessInstruction(*MCI, *MI);
  HexagonMCInstrInfo::extendIfNeeded(AP.OutContext, MCII, MCB, *MCI);
  MCB.addOperand(MCOperand::createInst(MCI));
}

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Editing: HexagonMCInstLower.cpp

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