diff options
author | Anton Korobeynikov <asl@math.spbu.ru> | 2011-01-10 12:39:04 +0000 |
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committer | Anton Korobeynikov <asl@math.spbu.ru> | 2011-01-10 12:39:04 +0000 |
commit | 16c29b5f285f375be53dabaa73e3e91107485fe4 (patch) | |
tree | df7ee2e7da3560e6169260f744977299af674494 /lib/Target/MBlaze/MBlazeFrameLowering.h | |
parent | badbd2fde9b8debd6265e8ece511fb01123d1d5f (diff) |
Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123170 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MBlaze/MBlazeFrameLowering.h')
-rw-r--r-- | lib/Target/MBlaze/MBlazeFrameLowering.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/Target/MBlaze/MBlazeFrameLowering.h b/lib/Target/MBlaze/MBlazeFrameLowering.h new file mode 100644 index 0000000000..8be15bfb85 --- /dev/null +++ b/lib/Target/MBlaze/MBlazeFrameLowering.h @@ -0,0 +1,53 @@ +//=- MBlazeFrameLowering.h - Define frame lowering for MicroBlaze -*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// +// +//===----------------------------------------------------------------------===// + +#ifndef MBLAZE_FRAMEINFO_H +#define MBLAZE_FRAMEINFO_H + +#include "MBlaze.h" +#include "MBlazeSubtarget.h" +#include "llvm/Target/TargetFrameLowering.h" + +namespace llvm { + class MBlazeSubtarget; + +class MBlazeFrameLowering : public TargetFrameLowering { +protected: + const MBlazeSubtarget &STI; + +public: + explicit MBlazeFrameLowering(const MBlazeSubtarget &sti) + : TargetFrameLowering(TargetFrameLowering::StackGrowsUp, 4, 0), STI(sti) { + } + + /// targetHandlesStackFrameRounding - Returns true if the target is + /// responsible for rounding up the stack frame (probably at emitPrologue + /// time). + bool targetHandlesStackFrameRounding() const { return true; } + + /// 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; + + int getFrameIndexOffset(const MachineFunction &MF, int FI) const; + + virtual void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, + RegScavenger *RS) const; +}; + +} // End llvm namespace + +#endif |