mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-01 19:29:22 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120229 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
//===-- X86TargetFrameInfo.h - Define TargetFrameInfo for X86 ---*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
//
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef X86_FRAMEINFO_H
|
|
#define X86_FRAMEINFO_H
|
|
|
|
#include "X86Subtarget.h"
|
|
#include "llvm/Target/TargetFrameInfo.h"
|
|
|
|
namespace llvm {
|
|
class MCSymbol;
|
|
class X86TargetMachine;
|
|
|
|
class X86FrameInfo : public TargetFrameInfo {
|
|
const X86TargetMachine &TM;
|
|
const X86Subtarget &STI;
|
|
public:
|
|
explicit X86FrameInfo(const X86TargetMachine &tm, const X86Subtarget &sti)
|
|
: TargetFrameInfo(StackGrowsDown,
|
|
sti.getStackAlignment(),
|
|
(sti.isTargetWin64() ? -40 : (sti.is64Bit() ? -8 : -4))),
|
|
TM(tm), STI(sti) {
|
|
}
|
|
|
|
void emitCalleeSavedFrameMoves(MachineFunction &MF, MCSymbol *Label,
|
|
unsigned FramePtr) const;
|
|
|
|
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
|
|
/// the function.
|
|
void emitPrologue(MachineFunction &MF) const;
|
|
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
|
|
|
|
void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
|
|
RegScavenger *RS = NULL) const;
|
|
|
|
bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI,
|
|
const std::vector<CalleeSavedInfo> &CSI,
|
|
const TargetRegisterInfo *TRI) const;
|
|
|
|
bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
|
|
MachineBasicBlock::iterator MI,
|
|
const std::vector<CalleeSavedInfo> &CSI,
|
|
const TargetRegisterInfo *TRI) const;
|
|
|
|
bool hasFP(const MachineFunction &MF) const;
|
|
bool hasReservedCallFrame(const MachineFunction &MF) const;
|
|
|
|
void getInitialFrameState(std::vector<MachineMove> &Moves) const;
|
|
int getFrameIndexOffset(const MachineFunction &MF, int FI) const;
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|