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📁 ..
📄 ARC.h(1.04 KB)
📄 ARC.td(707 B)
📄 ARCAsmPrinter.cpp(2.25 KB)
📄 ARCBranchFinalize.cpp(5.37 KB)
📄 ARCCallingConv.td(1.7 KB)
📄 ARCExpandPseudos.cpp(2.94 KB)
📄 ARCFrameLowering.cpp(18.97 KB)
📄 ARCFrameLowering.h(2.78 KB)
📄 ARCISelDAGToDAG.cpp(6.16 KB)
📄 ARCISelLowering.cpp(28.15 KB)
📄 ARCISelLowering.h(4.09 KB)
📄 ARCInstrFormats.td(26.21 KB)
📄 ARCInstrInfo.cpp(14.94 KB)
📄 ARCInstrInfo.h(4.15 KB)
📄 ARCInstrInfo.td(34.68 KB)
📄 ARCMCInstLower.cpp(3.67 KB)
📄 ARCMCInstLower.h(1.29 KB)
📄 ARCMachineFunctionInfo.cpp(464 B)
📄 ARCMachineFunctionInfo.h(1.87 KB)
📄 ARCOptAddrMode.cpp(16.16 KB)
📄 ARCRegisterInfo.cpp(8 KB)
📄 ARCRegisterInfo.h(1.78 KB)
📄 ARCRegisterInfo.td(2.89 KB)
📄 ARCSubtarget.cpp(1.02 KB)
📄 ARCSubtarget.h(2.03 KB)
📄 ARCTargetMachine.cpp(2.98 KB)
📄 ARCTargetMachine.h(1.64 KB)
📄 ARCTargetStreamer.h(726 B)
📄 ARCTargetTransformInfo.h(1.92 KB)
📁 Disassembler
📁 MCTargetDesc
📁 TargetInfo

Editing: ARCFrameLowering.h

//===- ARCFrameLowering.h - Define frame lowering for ARC -------*- 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
//
//===----------------------------------------------------------------------===//
//
// This class implements the ARC specific frame lowering.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_ARC_ARCFRAMELOWERING_H
#define LLVM_LIB_TARGET_ARC_ARCFRAMELOWERING_H

#include "ARC.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"

namespace llvm {

class MachineFunction;
class ARCSubtarget;
class ARCInstrInfo;

class ARCFrameLowering : public TargetFrameLowering {
public:
  ARCFrameLowering(const ARCSubtarget &st)
      : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, Align(4), 0),
        ST(st) {}

/// Insert Prologue into the function.
  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;

/// Insert Epilogue into the function.
  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;

/// Add explicit callee save registers.
  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
                            RegScavenger *RS) const override;

bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
                                 MachineBasicBlock::iterator MI,
                                 ArrayRef<CalleeSavedInfo> CSI,
                                 const TargetRegisterInfo *TRI) const override;

bool
  restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
                              MachineBasicBlock::iterator MI,
                              MutableArrayRef<CalleeSavedInfo> CSI,
                              const TargetRegisterInfo *TRI) const override;

void processFunctionBeforeFrameFinalized(MachineFunction &MF,
                                           RegScavenger *RS) const override;

bool hasFP(const MachineFunction &MF) const override;

MachineBasicBlock::iterator
  eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
                                MachineBasicBlock::iterator I) const override;

bool assignCalleeSavedSpillSlots(
      llvm::MachineFunction &, const llvm::TargetRegisterInfo *,
      std::vector<llvm::CalleeSavedInfo> &) const override;

private:
  void adjustStackToMatchRecords(MachineBasicBlock &MBB,
                                 MachineBasicBlock::iterator MI,
                                 bool allocate) const;

const ARCSubtarget &ST;
};

} // end namespace llvm

#endif // LLVM_LIB_TARGET_ARC_ARCFRAMELOWERING_H

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Editing: ARCFrameLowering.h

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