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1//===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares ARC-specific per-machine-function information.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H14#define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H15 16#include "llvm/CodeGen/MachineFunction.h"17 18namespace llvm {19 20/// ARCFunctionInfo - This class is derived from MachineFunction private21/// ARC target-specific information for each MachineFunction.22class ARCFunctionInfo : public MachineFunctionInfo {23 virtual void anchor();24 bool ReturnStackOffsetSet;25 int VarArgsFrameIndex;26 unsigned ReturnStackOffset;27 28public:29 explicit ARCFunctionInfo(const Function &F, const TargetSubtargetInfo *STI)30 : ReturnStackOffsetSet(false), VarArgsFrameIndex(0),31 ReturnStackOffset(-1U), MaxCallStackReq(0) {}32 ~ARCFunctionInfo() {}33 34 MachineFunctionInfo *35 clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF,36 const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB)37 const override;38 39 void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; }40 int getVarArgsFrameIndex() const { return VarArgsFrameIndex; }41 42 void setReturnStackOffset(unsigned value) {43 assert(!ReturnStackOffsetSet && "Return stack offset set twice");44 ReturnStackOffset = value;45 ReturnStackOffsetSet = true;46 }47 48 unsigned getReturnStackOffset() const {49 assert(ReturnStackOffsetSet && "Return stack offset not set");50 return ReturnStackOffset;51 }52 53 unsigned MaxCallStackReq;54};55 56} // end namespace llvm57 58#endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H59