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 21 namespace llvm { 22 class AlphaSubtarget; 23 24 class AlphaFrameLowering : public TargetFrameLowering { 25 const AlphaSubtarget &STI; 26 // FIXME: This should end in MachineFunctionInfo, not here! 27 mutable int curgpdist; 28 public: 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
