1//===--------------------- AMDILFrameLowering.h -----------------*- 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//                     The LLVM Compiler Infrastructure
11//
12// This file is distributed under the University of Illinois Open Source
13// License. See LICENSE.TXT for details.
14//
15//===----------------------------------------------------------------------===//
16//
17// Interface to describe a layout of a stack frame on a AMDIL target machine
18//
19//===----------------------------------------------------------------------===//
20#ifndef _AMDILFRAME_LOWERING_H_
21#define _AMDILFRAME_LOWERING_H_
22
23#include "llvm/CodeGen/MachineFunction.h"
24#include "llvm/Target/TargetFrameLowering.h"
25
26/// Information about the stack frame layout on the AMDGPU targets. It holds
27/// the direction of the stack growth, the known stack alignment on entry to
28/// each function, and the offset to the locals area.
29/// See TargetFrameInfo for more comments.
30
31namespace llvm {
32  class AMDGPUFrameLowering : public TargetFrameLowering {
33    public:
34      AMDGPUFrameLowering(StackDirection D, unsigned StackAl, int LAO, unsigned
35          TransAl = 1);
36      virtual ~AMDGPUFrameLowering();
37      virtual int getFrameIndexOffset(const MachineFunction &MF,
38                                         int FI) const;
39      virtual const SpillSlot *
40        getCalleeSavedSpillSlots(unsigned &NumEntries) const;
41      virtual void emitPrologue(MachineFunction &MF) const;
42      virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
43      virtual bool hasFP(const MachineFunction &MF) const;
44  }; // class AMDGPUFrameLowering
45} // namespace llvm
46#endif // _AMDILFRAME_LOWERING_H_
47