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Diffstat (limited to 'lib/Target/XCore/XCoreFrameLowering.h')
-rw-r--r-- | lib/Target/XCore/XCoreFrameLowering.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/Target/XCore/XCoreFrameLowering.h b/lib/Target/XCore/XCoreFrameLowering.h new file mode 100644 index 0000000000..7da19f0deb --- /dev/null +++ b/lib/Target/XCore/XCoreFrameLowering.h @@ -0,0 +1,59 @@ +//===-- XCoreFrameLowering.h - Frame info for XCore Target -------*- C++ -*-==// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains XCore frame information that doesn't fit anywhere else +// cleanly... +// +//===----------------------------------------------------------------------===// + +#ifndef XCOREFRAMEINFO_H +#define XCOREFRAMEINFO_H + +#include "llvm/Target/TargetFrameLowering.h" +#include "llvm/Target/TargetMachine.h" + +namespace llvm { + class XCoreSubtarget; + + class XCoreFrameLowering: public TargetFrameLowering { + const XCoreSubtarget &STI; + public: + XCoreFrameLowering(const XCoreSubtarget &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 spillCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + + bool hasFP(const MachineFunction &MF) const; + + void getInitialFrameState(std::vector<MachineMove> &Moves) const; + + void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, + RegScavenger *RS = NULL) const; + + void processFunctionBeforeFrameFinalized(MachineFunction &MF) const; + + //! Stack slot size (4 bytes) + static int stackSlotSize() { + return 4; + } + }; +} + +#endif // XCOREFRAMEINFO_H |