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1//==- XtensaMachineFunctionInfo.h - Xtensa machine function info --*- C++ -*-=//2//3// The LLVM Compiler Infrastructure4//5// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.6// See https://llvm.org/LICENSE.txt for license information.7// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception8//9//===----------------------------------------------------------------------===//10//11// This file declares Xtensa-specific per-machine-function information.12//13//===----------------------------------------------------------------------===//14 15#ifndef LLVM_LIB_TARGET_XTENSA_XTENSAMACHINEFUNCTIONINFO_H16#define LLVM_LIB_TARGET_XTENSA_XTENSAMACHINEFUNCTIONINFO_H17 18#include "llvm/CodeGen/MachineFrameInfo.h"19#include "llvm/CodeGen/MachineFunction.h"20#include "llvm/Target/TargetMachine.h"21 22namespace llvm {23 24class XtensaMachineFunctionInfo : public MachineFunctionInfo {25 /// FrameIndex of the spill slot for the scratch register in BranchRelaxation.26 int BranchRelaxationScratchFrameIndex = -1;27 unsigned VarArgsFirstGPR;28 int VarArgsOnStackFrameIndex;29 int VarArgsInRegsFrameIndex;30 bool SaveFrameRegister = false;31 unsigned CPLabelId = 0;32 33public:34 explicit XtensaMachineFunctionInfo(const Function &F,35 const TargetSubtargetInfo *STI)36 : VarArgsFirstGPR(0), VarArgsOnStackFrameIndex(0),37 VarArgsInRegsFrameIndex(0) {}38 39 int getBranchRelaxationScratchFrameIndex() const {40 return BranchRelaxationScratchFrameIndex;41 }42 void setBranchRelaxationScratchFrameIndex(int Index) {43 BranchRelaxationScratchFrameIndex = Index;44 }45 46 unsigned getVarArgsFirstGPR() const { return VarArgsFirstGPR; }47 void setVarArgsFirstGPR(unsigned GPR) { VarArgsFirstGPR = GPR; }48 49 int getVarArgsOnStackFrameIndex() const { return VarArgsOnStackFrameIndex; }50 void setVarArgsOnStackFrameIndex(int FI) { VarArgsOnStackFrameIndex = FI; }51 52 // Get and set the frame index of the first stack vararg.53 int getVarArgsInRegsFrameIndex() const { return VarArgsInRegsFrameIndex; }54 void setVarArgsInRegsFrameIndex(int FI) { VarArgsInRegsFrameIndex = FI; }55 56 bool isSaveFrameRegister() const { return SaveFrameRegister; }57 void setSaveFrameRegister() { SaveFrameRegister = true; }58 59 unsigned createCPLabelId() { return CPLabelId++; }60};61 62} // namespace llvm63 64#endif /* LLVM_LIB_TARGET_XTENSA_XTENSAMACHINEFUNCTIONINFO_H */65