MipsFrameLowering.h revision 256281 
1//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef MIPS_FRAMEINFO_H
15#define MIPS_FRAMEINFO_H
16
17#include "Mips.h"
18#include "MipsSubtarget.h"
19#include "llvm/Target/TargetFrameLowering.h"
20
21namespace llvm {
22  class MipsSubtarget;
23
24class MipsFrameLowering : public TargetFrameLowering {
25protected:
26  const MipsSubtarget &STI;
27
28public:
29  explicit MipsFrameLowering(const MipsSubtarget &sti, unsigned Alignment)
30    : TargetFrameLowering(StackGrowsDown, Alignment, 0, Alignment), STI(sti) {}
31
32  static const MipsFrameLowering *create(MipsTargetMachine &TM,
33                                         const MipsSubtarget &ST);
34
35  bool hasFP(const MachineFunction &MF) const;
36
37protected:
38  uint64_t estimateStackSize(const MachineFunction &MF) const;
39};
40
41/// Create MipsFrameLowering objects.
42const MipsFrameLowering *createMips16FrameLowering(const MipsSubtarget &ST);
43const MipsFrameLowering *createMipsSEFrameLowering(const MipsSubtarget &ST);
44
45} // End llvm namespace
46
47#endif
48