1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
//==- MSP430FrameLowering.h - Define frame lowering for MSP430 --*- C++ -*--==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//
//===----------------------------------------------------------------------===//
#ifndef MSP430_FRAMEINFO_H
#define MSP430_FRAMEINFO_H
#include "MSP430.h"
#include "MSP430Subtarget.h"
#include "llvm/Target/TargetFrameLowering.h"
namespace llvm {
class MSP430Subtarget;
class MSP430FrameLowering : public TargetFrameLowering {
protected:
const MSP430Subtarget &STI;
public:
explicit MSP430FrameLowering(const MSP430Subtarget &sti)
: TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 2, -2), STI(sti) {
}
/// 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 eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) 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 processFunctionBeforeFrameFinalized(MachineFunction &MF,
RegScavenger *RS = NULL) const;
};
} // End llvm namespace
#endif
|
