| Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame^] | 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 | /// \file |
| 11 | /// \brief Interface to describe a layout of a stack frame on a AMDIL target |
| 12 | /// machine. |
| 13 | // |
| 14 | //===----------------------------------------------------------------------===// |
| 15 | #ifndef AMDILFRAME_LOWERING_H |
| 16 | #define AMDILFRAME_LOWERING_H |
| 17 | |
| 18 | #include "llvm/CodeGen/MachineFunction.h" |
| 19 | #include "llvm/Target/TargetFrameLowering.h" |
| 20 | |
| 21 | namespace llvm { |
| 22 | |
| 23 | /// \brief Information about the stack frame layout on the AMDGPU targets. |
| 24 | /// |
| 25 | /// It holds the direction of the stack growth, the known stack alignment on |
| 26 | /// entry to each function, and the offset to the locals area. |
| 27 | /// See TargetFrameInfo for more comments. |
| 28 | class AMDGPUFrameLowering : public TargetFrameLowering { |
| 29 | public: |
| 30 | AMDGPUFrameLowering(StackDirection D, unsigned StackAl, int LAO, |
| 31 | unsigned TransAl = 1); |
| 32 | virtual ~AMDGPUFrameLowering(); |
| 33 | virtual int getFrameIndexOffset(const MachineFunction &MF, int FI) const; |
| 34 | virtual const SpillSlot *getCalleeSavedSpillSlots(unsigned &NumEntries) const; |
| 35 | virtual void emitPrologue(MachineFunction &MF) const; |
| 36 | virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; |
| 37 | virtual bool hasFP(const MachineFunction &MF) const; |
| 38 | }; |
| 39 | } // namespace llvm |
| 40 | #endif // AMDILFRAME_LOWERING_H |