//===-- 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 { 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; void eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const; bool hasFP(const MachineFunction &MF) const; void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, RegScavenger *RS = NULL) const; void processFunctionBeforeFrameFinalized(MachineFunction &MF, RegScavenger *RS = NULL) const; //! Stack slot size (4 bytes) static int stackSlotSize() { return 4; } }; } #endif // XCOREFRAMEINFO_H