1 //===- LiveDebugValues.cpp - Tracking Debug Value MIs ---------*- 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 #ifndef LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H 10 #define LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H 11 12 #include "llvm/CodeGen/MachineFunction.h" 13 #include "llvm/CodeGen/TargetPassConfig.h" 14 15 namespace llvm { 16 17 // Inline namespace for types / symbols shared between different 18 // LiveDebugValues implementations. 19 inline namespace SharedLiveDebugValues { 20 21 // Expose a base class for LiveDebugValues interfaces to inherit from. This 22 // allows the generic LiveDebugValues pass handles to call into the 23 // implementation. 24 class LDVImpl { 25 public: 26 virtual bool ExtendRanges(MachineFunction &MF, TargetPassConfig *TPC) = 0; 27 virtual ~LDVImpl() {} 28 }; 29 30 } // namespace SharedLiveDebugValues 31 32 // Factory functions for LiveDebugValues implementations. 33 extern LDVImpl *makeVarLocBasedLiveDebugValues(); 34 extern LDVImpl *makeInstrRefBasedLiveDebugValues(); 35 } // namespace llvm 36 37 #endif // LLVM_LIB_CODEGEN_LIVEDEBUGVALUES_LIVEDEBUGVALUES_H 38