src/gallium/drivers/radeon/AMDILFrameLowering.h

   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
  31 namespace 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_