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Diffstat (limited to 'lib/Target/Blackfin/BlackfinFrameLowering.h')
-rw-r--r-- | lib/Target/Blackfin/BlackfinFrameLowering.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/Target/Blackfin/BlackfinFrameLowering.h b/lib/Target/Blackfin/BlackfinFrameLowering.h new file mode 100644 index 0000000000..3d2ee251d3 --- /dev/null +++ b/lib/Target/Blackfin/BlackfinFrameLowering.h @@ -0,0 +1,46 @@ +//=- BlackfinFrameLowering.h - Define frame lowering for Blackfin -*- 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 "Blackfin.h" +#include "BlackfinSubtarget.h" +#include "llvm/Target/TargetFrameLowering.h" + +namespace llvm { + class BlackfinSubtarget; + +class BlackfinFrameLowering : public TargetFrameLowering { +protected: + const BlackfinSubtarget &STI; + +public: + explicit BlackfinFrameLowering(const BlackfinSubtarget &sti) + : TargetFrameLowering(TargetFrameLowering::StackGrowsDown, 4, 0), 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 hasFP(const MachineFunction &MF) const; + + void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, + RegScavenger *RS) const; +}; + +} // End llvm namespace + +#endif |