10b57cec5SDimitry Andric //===- ARCMachineFunctionInfo.h - ARC machine function info -----*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // This file declares ARC-specific per-machine-function information. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 140b57cec5SDimitry Andric #define LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "llvm/CodeGen/MachineFunction.h" 170b57cec5SDimitry Andric #include <vector> 180b57cec5SDimitry Andric 190b57cec5SDimitry Andric namespace llvm { 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric /// ARCFunctionInfo - This class is derived from MachineFunction private 220b57cec5SDimitry Andric /// ARC target-specific information for each MachineFunction. 230b57cec5SDimitry Andric class ARCFunctionInfo : public MachineFunctionInfo { 240b57cec5SDimitry Andric virtual void anchor(); 250b57cec5SDimitry Andric bool ReturnStackOffsetSet; 260b57cec5SDimitry Andric int VarArgsFrameIndex; 270b57cec5SDimitry Andric unsigned ReturnStackOffset; 280b57cec5SDimitry Andric 290b57cec5SDimitry Andric public: ARCFunctionInfo(const Function & F,const TargetSubtargetInfo * STI)30*bdd1243dSDimitry Andric explicit ARCFunctionInfo(const Function &F, const TargetSubtargetInfo *STI) 310b57cec5SDimitry Andric : ReturnStackOffsetSet(false), VarArgsFrameIndex(0), 325ffd83dbSDimitry Andric ReturnStackOffset(-1U), MaxCallStackReq(0) {} ~ARCFunctionInfo()330b57cec5SDimitry Andric ~ARCFunctionInfo() {} 340b57cec5SDimitry Andric 3581ad6265SDimitry Andric MachineFunctionInfo * 3681ad6265SDimitry Andric clone(BumpPtrAllocator &Allocator, MachineFunction &DestMF, 3781ad6265SDimitry Andric const DenseMap<MachineBasicBlock *, MachineBasicBlock *> &Src2DstMBB) 3881ad6265SDimitry Andric const override; 3981ad6265SDimitry Andric setVarArgsFrameIndex(int off)400b57cec5SDimitry Andric void setVarArgsFrameIndex(int off) { VarArgsFrameIndex = off; } getVarArgsFrameIndex()410b57cec5SDimitry Andric int getVarArgsFrameIndex() const { return VarArgsFrameIndex; } 420b57cec5SDimitry Andric setReturnStackOffset(unsigned value)430b57cec5SDimitry Andric void setReturnStackOffset(unsigned value) { 440b57cec5SDimitry Andric assert(!ReturnStackOffsetSet && "Return stack offset set twice"); 450b57cec5SDimitry Andric ReturnStackOffset = value; 460b57cec5SDimitry Andric ReturnStackOffsetSet = true; 470b57cec5SDimitry Andric } 480b57cec5SDimitry Andric getReturnStackOffset()490b57cec5SDimitry Andric unsigned getReturnStackOffset() const { 500b57cec5SDimitry Andric assert(ReturnStackOffsetSet && "Return stack offset not set"); 510b57cec5SDimitry Andric return ReturnStackOffset; 520b57cec5SDimitry Andric } 530b57cec5SDimitry Andric 540b57cec5SDimitry Andric unsigned MaxCallStackReq; 550b57cec5SDimitry Andric }; 560b57cec5SDimitry Andric 570b57cec5SDimitry Andric } // end namespace llvm 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric #endif // LLVM_LIB_TARGET_ARC_ARCMACHINEFUNCTIONINFO_H 60