MipsFrameLowering.h revision 249423 
1179404Sobrien//===-- MipsFrameLowering.h - Define frame lowering for Mips ----*- C++ -*-===//
2179404Sobrien//
3179404Sobrien//                     The LLVM Compiler Infrastructure
4179404Sobrien//
5179404Sobrien// This file is distributed under the University of Illinois Open Source
6179404Sobrien// License. See LICENSE.TXT for details.
7179404Sobrien//
8179404Sobrien//===----------------------------------------------------------------------===//
9179404Sobrien//
10179404Sobrien//
11179404Sobrien//
12179404Sobrien//===----------------------------------------------------------------------===//
13179404Sobrien
14179404Sobrien#ifndef MIPS_FRAMEINFO_H
15179404Sobrien#define MIPS_FRAMEINFO_H
16179404Sobrien
17179404Sobrien#include "Mips.h"
18179404Sobrien#include "MipsSubtarget.h"
19179404Sobrien#include "llvm/Target/TargetFrameLowering.h"
20179404Sobrien
21179404Sobriennamespace llvm {
22179404Sobrien  class MipsSubtarget;
23179404Sobrien
24179404Sobrienclass MipsFrameLowering : public TargetFrameLowering {
25179404Sobrienprotected:
26179404Sobrien  const MipsSubtarget &STI;
27179404Sobrien
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