1 //==- SystemZFrameInfo.h - Define TargetFrameInfo for z/System --*- 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 SYSTEMZ_FRAMEINFO_H
15 #define SYSTEMZ_FRAMEINFO_H
18 #include "SystemZSubtarget.h"
19 #include "llvm/Target/TargetFrameInfo.h"
22 class SystemZSubtarget;
24 class SystemZFrameInfo : public TargetFrameInfo {
26 const SystemZSubtarget &STI;
29 explicit SystemZFrameInfo(const SystemZSubtarget &sti)
30 : TargetFrameInfo(TargetFrameInfo::StackGrowsDown, 8, -160), STI(sti) {
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 hasReservedCallFrame(const MachineFunction &MF) const { return true; }
39 bool hasFP(const MachineFunction &MF) const;
42 } // End llvm namespace