| //===-- 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 LLVM_LIB_TARGET_XCORE_XCOREFRAMELOWERING_H |
| #define LLVM_LIB_TARGET_XCORE_XCOREFRAMELOWERING_H |
| |
| #include "llvm/CodeGen/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, |
| MachineBasicBlock &MBB) const override; |
| void emitEpilogue(MachineFunction &MF, |
| MachineBasicBlock &MBB) const override; |
| |
| bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| const std::vector<CalleeSavedInfo> &CSI, |
| const TargetRegisterInfo *TRI) const override; |
| bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator MI, |
| std::vector<CalleeSavedInfo> &CSI, |
| const TargetRegisterInfo *TRI) const override; |
| |
| MachineBasicBlock::iterator |
| eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB, |
| MachineBasicBlock::iterator I) const override; |
| |
| bool hasFP(const MachineFunction &MF) const override; |
| |
| void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, |
| RegScavenger *RS = nullptr) const override; |
| |
| void processFunctionBeforeFrameFinalized(MachineFunction &MF, |
| RegScavenger *RS = nullptr) const override; |
| |
| //! Stack slot size (4 bytes) |
| static int stackSlotSize() { |
| return 4; |
| } |
| }; |
| } |
| |
| #endif |