mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-29 23:12:55 +01:00
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
//===- PPC32RegisterInfo.h - PowerPC32 Register Information Impl -*- C++ -*-==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the PowerPC implementation of the MRegisterInfo class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef POWERPC32_REGISTERINFO_H
|
|
#define POWERPC32_REGISTERINFO_H
|
|
|
|
#include "PowerPC.h"
|
|
#include "PPC32GenRegisterInfo.h.inc"
|
|
#include <map>
|
|
|
|
namespace llvm {
|
|
|
|
class Type;
|
|
|
|
class PPC32RegisterInfo : public PPC32GenRegisterInfo {
|
|
std::map<unsigned, unsigned> ImmToIdxMap;
|
|
public:
|
|
PPC32RegisterInfo();
|
|
|
|
/// Code Generation virtual methods...
|
|
void storeRegToStackSlot(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MBBI,
|
|
unsigned SrcReg, int FrameIndex) const;
|
|
|
|
void loadRegFromStackSlot(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MBBI,
|
|
unsigned DestReg, int FrameIndex) const;
|
|
|
|
void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
|
|
unsigned DestReg, unsigned SrcReg,
|
|
const TargetRegisterClass *RC) const;
|
|
|
|
unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
|
|
|
|
/// foldMemoryOperand - PowerPC (like most RISC's) can only fold spills into
|
|
/// copy instructions, turning them into load/store instructions.
|
|
virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum,
|
|
int FrameIndex) const;
|
|
|
|
void eliminateCallFramePseudoInstr(MachineFunction &MF,
|
|
MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator I) const;
|
|
|
|
void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
|
|
|
|
void emitPrologue(MachineFunction &MF) const;
|
|
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|