mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 16:33:37 +01:00
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===- PPCRegisterInfo.h - PowerPC Register Information Impl -----*- C++ -*-==//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains the PowerPC implementation of the TargetRegisterInfo
|
|
// class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef POWERPC32_REGISTERINFO_H
|
|
#define POWERPC32_REGISTERINFO_H
|
|
|
|
#include "PPC.h"
|
|
#include <map>
|
|
|
|
#define GET_REGINFO_HEADER
|
|
#include "PPCGenRegisterInfo.inc"
|
|
|
|
namespace llvm {
|
|
class PPCSubtarget;
|
|
class TargetInstrInfo;
|
|
class Type;
|
|
|
|
class PPCRegisterInfo : public PPCGenRegisterInfo {
|
|
std::map<unsigned, unsigned> ImmToIdxMap;
|
|
const PPCSubtarget &Subtarget;
|
|
const TargetInstrInfo &TII;
|
|
public:
|
|
PPCRegisterInfo(const PPCSubtarget &SubTarget, const TargetInstrInfo &tii);
|
|
|
|
/// getPointerRegClass - Return the register class to use to hold pointers.
|
|
/// This is used for addressing modes.
|
|
virtual const TargetRegisterClass *getPointerRegClass(unsigned Kind=0) const;
|
|
|
|
unsigned getRegPressureLimit(const TargetRegisterClass *RC,
|
|
MachineFunction &MF) const;
|
|
|
|
/// Code Generation virtual methods...
|
|
const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
|
|
|
|
BitVector getReservedRegs(const MachineFunction &MF) const;
|
|
|
|
/// requiresRegisterScavenging - We require a register scavenger.
|
|
/// FIXME (64-bit): Should be inlined.
|
|
bool requiresRegisterScavenging(const MachineFunction &MF) const;
|
|
|
|
void eliminateCallFramePseudoInstr(MachineFunction &MF,
|
|
MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator I) const;
|
|
|
|
void lowerDynamicAlloc(MachineBasicBlock::iterator II,
|
|
int SPAdj, RegScavenger *RS) const;
|
|
void lowerCRSpilling(MachineBasicBlock::iterator II, unsigned FrameIndex,
|
|
int SPAdj, RegScavenger *RS) const;
|
|
void lowerCRRestore(MachineBasicBlock::iterator II, unsigned FrameIndex,
|
|
int SPAdj, RegScavenger *RS) const;
|
|
void eliminateFrameIndex(MachineBasicBlock::iterator II,
|
|
int SPAdj, RegScavenger *RS = NULL) const;
|
|
|
|
// Debug information queries.
|
|
unsigned getFrameRegister(const MachineFunction &MF) const;
|
|
|
|
// Exception handling queries.
|
|
unsigned getEHExceptionRegister() const;
|
|
unsigned getEHHandlerRegister() const;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|