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Diffstat (limited to 'lib/Target/Alpha/AlphaFrameLowering.h')
-rw-r--r-- | lib/Target/Alpha/AlphaFrameLowering.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/lib/Target/Alpha/AlphaFrameLowering.h b/lib/Target/Alpha/AlphaFrameLowering.h new file mode 100644 index 0000000..ebd9e1b --- /dev/null +++ b/lib/Target/Alpha/AlphaFrameLowering.h @@ -0,0 +1,43 @@ +//==-- AlphaFrameLowering.h - Define frame lowering for Alpha --*- C++ -*---==// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// +// +//===----------------------------------------------------------------------===// + +#ifndef ALPHA_FRAMEINFO_H +#define ALPHA_FRAMEINFO_H + +#include "Alpha.h" +#include "AlphaSubtarget.h" +#include "llvm/Target/TargetFrameLowering.h" + +namespace llvm { + class AlphaSubtarget; + +class AlphaFrameLowering : public TargetFrameLowering { + const AlphaSubtarget &STI; + // FIXME: This should end in MachineFunctionInfo, not here! + mutable int curgpdist; +public: + explicit AlphaFrameLowering(const AlphaSubtarget &sti) + : TargetFrameLowering(StackGrowsDown, 16, 0), STI(sti), curgpdist(0) { + } + + /// 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 hasFP(const MachineFunction &MF) const; +}; + +} // End llvm namespace + +#endif |