1 //===----------------------- AMDILFrameLowering.cpp -----------------*- 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 // Interface to describe a layout of a stack frame on a AMDIL target machine 11 // 12 //===----------------------------------------------------------------------===// 13 #include "AMDILFrameLowering.h" 14 #include "llvm/CodeGen/MachineFrameInfo.h" 15 16 using namespace llvm; 17 AMDGPUFrameLowering::AMDGPUFrameLowering(StackDirection D, unsigned StackAl, 18 int LAO, unsigned TransAl) 19 : TargetFrameLowering(D, StackAl, LAO, TransAl) 20 { 21 } 22 23 AMDGPUFrameLowering::~AMDGPUFrameLowering() 24 { 25 } 26 27 /// getFrameIndexOffset - Returns the displacement from the frame register to 28 /// the stack frame of the specified index. 29 int AMDGPUFrameLowering::getFrameIndexOffset(const MachineFunction &MF, 30 int FI) const { 31 const MachineFrameInfo *MFI = MF.getFrameInfo(); 32 return MFI->getObjectOffset(FI); 33 } 34 35 const TargetFrameLowering::SpillSlot * 36 AMDGPUFrameLowering::getCalleeSavedSpillSlots(unsigned &NumEntries) const 37 { 38 NumEntries = 0; 39 return 0; 40 } 41 void 42 AMDGPUFrameLowering::emitPrologue(MachineFunction &MF) const 43 { 44 } 45 void 46 AMDGPUFrameLowering::emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const 47 { 48 } 49 bool 50 AMDGPUFrameLowering::hasFP(const MachineFunction &MF) const 51 { 52 return false; 53 } 54
