109467b48Spatrick //===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===// 209467b48Spatrick // 309467b48Spatrick // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 409467b48Spatrick // See https://llvm.org/LICENSE.txt for license information. 509467b48Spatrick // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 609467b48Spatrick // 709467b48Spatrick //===----------------------------------------------------------------------===// 809467b48Spatrick // 909467b48Spatrick // This file declares ARC-specific per-machine-function information. 1009467b48Spatrick // 1109467b48Spatrick //===----------------------------------------------------------------------===// 1209467b48Spatrick 1309467b48Spatrick #ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 1409467b48Spatrick #define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 1509467b48Spatrick 1609467b48Spatrick #include "llvm/CodeGen/MachineFunction.h" 1709467b48Spatrick #include <vector> 1809467b48Spatrick 1909467b48Spatrick namespace llvm { 2009467b48Spatrick 2109467b48Spatrick /// ARCFunctionInfo - This class is derived from MachineFunction private 2209467b48Spatrick /// ARC target-specific information for each MachineFunction. 2309467b48Spatrick class ARCFunctionInfo : public MachineFunctionInfo { 2409467b48Spatrick virtual void anchor(); 2509467b48Spatrick bool ReturnStackOffsetSet; 2609467b48Spatrick int VarArgsFrameIndex; 2709467b48Spatrick unsigned ReturnStackOffset; 2809467b48Spatrick 2909467b48Spatrick public: ARCFunctionInfo(const Function & F,const TargetSubtargetInfo * STI)30*d415bd75Srobert explicit ARCFunctionInfo(const Function &F, const TargetSubtargetInfo *STI) 3109467b48Spatrick : ReturnStackOffsetSet(false), VarArgsFrameIndex(0), 3209467b48Spatrick ReturnStackOffset(-1U), MaxCallStackReq(0) {} ~ARCFunctionInfo()3309467b48Spatrick ~ARCFunctionInfo() {} 3409467b48Spatrick 35*d415bd75Srobert MachineFunctionInfo * 36*d415bd75Srobert clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, 37*d415bd75Srobert const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB) 38*d415bd75Srobert const override; 39*d415bd75Srobert setVarArgsFrameIndex(int off)4009467b48Spatrick void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; } getVarArgsFrameIndex()4109467b48Spatrick int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } 4209467b48Spatrick setReturnStackOffset(unsigned value)4309467b48Spatrick void setReturnStackOffset(unsigned value) { 4409467b48Spatrick assert(!ReturnStackOffsetSet && "Return stack offset set twice"); 4509467b48Spatrick ReturnStackOffset = value; 4609467b48Spatrick ReturnStackOffsetSet = true; 4709467b48Spatrick } 4809467b48Spatrick getReturnStackOffset()4909467b48Spatrick unsigned getReturnStackOffset() const { 5009467b48Spatrick assert(ReturnStackOffsetSet && "Return stack offset not set"); 5109467b48Spatrick return ReturnStackOffset; 5209467b48Spatrick } 5309467b48Spatrick 5409467b48Spatrick unsigned MaxCallStackReq; 5509467b48Spatrick }; 5609467b48Spatrick 5709467b48Spatrick } // end namespace llvm 5809467b48Spatrick 5909467b48Spatrick #endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 60