1 // WebAssemblyDebugValueManager.h - WebAssembly DebugValue Manager -*- 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This file contains the declaration of the WebAssembly-specific 11 /// manager for DebugValues associated with the specific MachineInstr. 12 /// This pass currently does not handle DBG_VALUE_LISTs; they are assumed to 13 /// have been set to undef in NullifyDebugValueLists pass. 14 /// TODO Handle DBG_VALUE_LIST 15 /// 16 //===----------------------------------------------------------------------===// 17 18 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H 19 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYDEBUGVALUEMANAGER_H 20 21 #include "llvm/ADT/SmallVector.h" 22 #include "llvm/CodeGen/Register.h" 23 24 namespace llvm { 25 26 class MachineInstr; 27 28 class WebAssemblyDebugValueManager { 29 SmallVector<MachineInstr *, 1> DbgValues; 30 Register CurrentReg; 31 32 public: 33 WebAssemblyDebugValueManager(MachineInstr *Def); 34 35 void move(MachineInstr *Insert); 36 void clone(MachineInstr *Insert, Register NewReg); 37 // Update the register for Def and DBG_VALUEs. 38 void updateReg(Register Reg); 39 // Replace the current register in DBG_VALUEs with the given LocalId target 40 // index. 41 void replaceWithLocal(unsigned LocalId); 42 }; 43 44 } // end namespace llvm 45 46 #endif 47