1 //==-- AlphaFrameLowering.h - Define frame lowering for Alpha --*- C++ -*---==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
14 #ifndef ALPHA_FRAMEINFO_H
15 #define ALPHA_FRAMEINFO_H
18 #include "AlphaSubtarget.h"
19 #include "llvm/Target/TargetFrameLowering.h"
24 class AlphaFrameLowering : public TargetFrameLowering {
25 const AlphaSubtarget &STI;
26 // FIXME: This should end in MachineFunctionInfo, not here!
27 mutable int curgpdist;
29 explicit AlphaFrameLowering(const AlphaSubtarget &sti)
30 : TargetFrameLowering(StackGrowsDown, 16, 0), STI(sti), curgpdist(0) {
33 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
35 void emitPrologue(MachineFunction &MF) const;
36 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
38 bool hasFP(const MachineFunction &MF) const;
41 } // End llvm namespace