Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/XCore/XCoreFrameLowering.h
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//===-- XCoreFrameLowering.h - Frame info for XCore Target ------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains XCore frame information that doesn't fit anywhere else
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// cleanly...
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_XCORE_XCOREFRAMELOWERING_H
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#define LLVM_LIB_TARGET_XCORE_XCOREFRAMELOWERING_H
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#include "llvm/CodeGen/TargetFrameLowering.h"
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#include "llvm/Target/TargetMachine.h"
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namespace llvm {
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  class XCoreSubtarget;
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  class XCoreFrameLowering: public TargetFrameLowering {
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  public:
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    XCoreFrameLowering(const XCoreSubtarget &STI);
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    /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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    /// the function.
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    void emitPrologue(MachineFunction &MF,
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                      MachineBasicBlock &MBB) const override;
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    void emitEpilogue(MachineFunction &MF,
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                      MachineBasicBlock &MBB) const override;
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    bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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                                  MachineBasicBlock::iterator MI,
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                                  const std::vector<CalleeSavedInfo> &CSI,
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                                  const TargetRegisterInfo *TRI) const override;
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    bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
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                                  MachineBasicBlock::iterator MI,
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                                  std::vector<CalleeSavedInfo> &CSI,
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                                  const TargetRegisterInfo *TRI) const override;
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    MachineBasicBlock::iterator
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    eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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                                  MachineBasicBlock::iterator I) const override;
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    bool hasFP(const MachineFunction &MF) const override;
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    void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
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                              RegScavenger *RS = nullptr) const override;
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    void processFunctionBeforeFrameFinalized(MachineFunction &MF,
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                                     RegScavenger *RS = nullptr) const override;
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    //! Stack slot size (4 bytes)
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    static int stackSlotSize() {
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      return 4;
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    }
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  };
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}
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#endif