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_ 47
