llvm-6502/lib/Target/SystemZ/SystemZFrameInfo.h
2010-11-18 21:19:35 +00:00

45 lines
1.2 KiB
C++

//==- SystemZFrameInfo.h - Define TargetFrameInfo for z/System --*- C++ -*--==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//
//===----------------------------------------------------------------------===//
#ifndef SYSTEMZ_FRAMEINFO_H
#define SYSTEMZ_FRAMEINFO_H
#include "SystemZ.h"
#include "SystemZSubtarget.h"
#include "llvm/Target/TargetFrameInfo.h"
namespace llvm {
class SystemZSubtarget;
class SystemZFrameInfo : public TargetFrameInfo {
protected:
const SystemZSubtarget &STI;
public:
explicit SystemZFrameInfo(const SystemZSubtarget &sti)
: TargetFrameInfo(TargetFrameInfo::StackGrowsDown, 8, -160), STI(sti) {
}
/// emitProlog/emitEpilog - These methods insert prolog and epilog code into
/// the function.
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
bool hasReservedCallFrame(const MachineFunction &MF) const { return true; }
bool hasFP(const MachineFunction &MF) const;
};
} // End llvm namespace
#endif