forked from OSchip/llvm-project
47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
//===--------------------- AMDILFrameLowering.h -----------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//==-----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Interface to describe a layout of a stack frame on a AMDIL target machine
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//
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//===----------------------------------------------------------------------===//
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#ifndef _AMDILFRAME_LOWERING_H_
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#define _AMDILFRAME_LOWERING_H_
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/Target/TargetFrameLowering.h"
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/// Information about the stack frame layout on the AMDIL targets. It holds
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/// the direction of the stack growth, the known stack alignment on entry to
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/// each function, and the offset to the locals area.
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/// See TargetFrameInfo for more comments.
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namespace llvm {
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class AMDILFrameLowering : public TargetFrameLowering {
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public:
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AMDILFrameLowering(StackDirection D, unsigned StackAl, int LAO, unsigned
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TransAl = 1);
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virtual ~AMDILFrameLowering();
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virtual int getFrameIndexOffset(const MachineFunction &MF,
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int FI) const;
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virtual const SpillSlot *
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getCalleeSavedSpillSlots(unsigned &NumEntries) const;
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virtual void emitPrologue(MachineFunction &MF) const;
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virtual void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
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virtual bool hasFP(const MachineFunction &MF) const;
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}; // class AMDILFrameLowering
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} // namespace llvm
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#endif // _AMDILFRAME_LOWERING_H_
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