Coverage Report

Created: 2019-07-24 05:18

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/lib/Target/Lanai/LanaiMachineFunctionInfo.h
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//===- LanaiMachineFuctionInfo.h - Lanai machine func info -------*- 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 declares Lanai-specific per-machine-function information.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
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#define LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H
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#include "LanaiRegisterInfo.h"
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#include "llvm/CodeGen/MachineFunction.h"
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#include "llvm/CodeGen/MachineRegisterInfo.h"
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namespace llvm {
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// LanaiMachineFunctionInfo - This class is derived from MachineFunction and
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// contains private Lanai target-specific information for each MachineFunction.
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class LanaiMachineFunctionInfo : public MachineFunctionInfo {
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  virtual void anchor();
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  MachineFunction &MF;
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  // SRetReturnReg - Lanai ABI require that sret lowering includes
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  // returning the value of the returned struct in a register. This field
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  // holds the virtual register into which the sret argument is passed.
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  unsigned SRetReturnReg;
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  // GlobalBaseReg - keeps track of the virtual register initialized for
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  // use as the global base register. This is used for PIC in some PIC
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  // relocation models.
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  unsigned GlobalBaseReg;
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  // VarArgsFrameIndex - FrameIndex for start of varargs area.
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  int VarArgsFrameIndex;
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public:
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  explicit LanaiMachineFunctionInfo(MachineFunction &MF)
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      : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0) {}
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  unsigned getSRetReturnReg() const { return SRetReturnReg; }
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  void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
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  unsigned getGlobalBaseReg();
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  int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }
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  void setVarArgsFrameIndex(int Index) { VarArgsFrameIndex = Index; }
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};
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} // namespace llvm
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#endif // LLVM_LIB_TARGET_LANAI_LANAIMACHINEFUNCTIONINFO_H