1//==-- AlphaFrameLowering.h - Define frame lowering for Alpha --*- 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// 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef ALPHA_FRAMEINFO_H 15#define ALPHA_FRAMEINFO_H 16 17#include "Alpha.h" 18#include "AlphaSubtarget.h" 19#include "llvm/Target/TargetFrameLowering.h" 20 21namespace llvm { 22 class AlphaSubtarget; 23 24class AlphaFrameLowering : public TargetFrameLowering { 25 const AlphaSubtarget &STI; 26 // FIXME: This should end in MachineFunctionInfo, not here! 27 mutable int curgpdist; 28public: 29 explicit AlphaFrameLowering(const AlphaSubtarget &sti) 30 : TargetFrameLowering(StackGrowsDown, 16, 0), STI(sti), curgpdist(0) { 31 } 32 33 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 34 /// the function. 35 void emitPrologue(MachineFunction &MF) const; 36 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 37 38 bool hasFP(const MachineFunction &MF) const; 39}; 40 41} // End llvm namespace 42 43#endif 44