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📁 ..
📁 AsmParser
📄 DelaySlotFiller.cpp(14.86 KB)
📁 Disassembler
📄 LeonFeatures.td(2.12 KB)
📄 LeonPasses.cpp(5.78 KB)
📄 LeonPasses.h(2.59 KB)
📁 MCTargetDesc
📄 Sparc.h(5.28 KB)
📄 Sparc.td(7.33 KB)
📄 SparcAsmPrinter.cpp(16.24 KB)
📄 SparcCallingConv.td(5.66 KB)
📄 SparcFrameLowering.cpp(13.77 KB)
📄 SparcFrameLowering.h(2.4 KB)
📄 SparcISelDAGToDAG.cpp(14.22 KB)
📄 SparcISelLowering.cpp(133.64 KB)
📄 SparcISelLowering.h(9.48 KB)
📄 SparcInstr64Bit.td(21.58 KB)
📄 SparcInstrAliases.td(21.18 KB)
📄 SparcInstrFormats.td(10.36 KB)
📄 SparcInstrInfo.cpp(18.87 KB)
📄 SparcInstrInfo.h(4.13 KB)
📄 SparcInstrInfo.td(68.33 KB)
📄 SparcInstrVIS.td(11.1 KB)
📄 SparcMCInstLower.cpp(3.31 KB)
📄 SparcMachineFunctionInfo.cpp(476 B)
📄 SparcMachineFunctionInfo.h(1.92 KB)
📄 SparcRegisterInfo.cpp(8.22 KB)
📄 SparcRegisterInfo.h(1.73 KB)
📄 SparcRegisterInfo.td(13.94 KB)
📄 SparcSchedule.td(6.43 KB)
📄 SparcSubtarget.cpp(3.17 KB)
📄 SparcSubtarget.h(4.08 KB)
📄 SparcTargetMachine.cpp(7.77 KB)
📄 SparcTargetMachine.h(2.78 KB)
📄 SparcTargetObjectFile.cpp(1.85 KB)
📄 SparcTargetObjectFile.h(1.15 KB)
📁 TargetInfo

Editing: LeonPasses.h

//===------- LeonPasses.h - Define passes specific to LEON ----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_SPARC_LEON_PASSES_H
#define LLVM_LIB_TARGET_SPARC_LEON_PASSES_H

#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/Passes.h"

#include "Sparc.h"
#include "SparcSubtarget.h"

namespace llvm {
class LLVM_LIBRARY_VISIBILITY LEONMachineFunctionPass
    : public MachineFunctionPass {
protected:
  const SparcSubtarget *Subtarget = nullptr;
  const int LAST_OPERAND = -1;

// this vector holds free registers that we allocate in groups for some of the
  // LEON passes
  std::vector<int> UsedRegisters;

protected:
  LEONMachineFunctionPass(char &ID);

int GetRegIndexForOperand(MachineInstr &MI, int OperandIndex);
  void clearUsedRegisterList() { UsedRegisters.clear(); }

void markRegisterUsed(int registerIndex) {
    UsedRegisters.push_back(registerIndex);
  }
  int getUnusedFPRegister(MachineRegisterInfo &MRI);
};

class LLVM_LIBRARY_VISIBILITY InsertNOPLoad : public LEONMachineFunctionPass {
public:
  static char ID;

InsertNOPLoad();
  bool runOnMachineFunction(MachineFunction &MF) override;

StringRef getPassName() const override {
    return "InsertNOPLoad: Erratum Fix LBR35: insert a NOP instruction after "
           "every single-cycle load instruction when the next instruction is "
           "another load/store instruction";
  }
};

class LLVM_LIBRARY_VISIBILITY DetectRoundChange
    : public LEONMachineFunctionPass {
public:
  static char ID;

DetectRoundChange();
  bool runOnMachineFunction(MachineFunction &MF) override;

StringRef getPassName() const override {
    return "DetectRoundChange: Leon erratum detection: detect any rounding "
           "mode change request: use only the round-to-nearest rounding mode";
  }
};

class LLVM_LIBRARY_VISIBILITY FixAllFDIVSQRT : public LEONMachineFunctionPass {
public:
  static char ID;

FixAllFDIVSQRT();
  bool runOnMachineFunction(MachineFunction &MF) override;

StringRef getPassName() const override {
    return "FixAllFDIVSQRT: Erratum Fix LBR34: fix FDIVS/FDIVD/FSQRTS/FSQRTD "
           "instructions with NOPs and floating-point store";
  }
};
} // namespace llvm

#endif // LLVM_LIB_TARGET_SPARC_LEON_PASSES_H

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Editing: LeonPasses.h

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