1 //===- AddDiscriminators.h --------------------------------------*- 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 // This pass adds DWARF discriminators to the IR. Path discriminators are used 10 // to decide what CFG path was taken inside sub-graphs whose instructions share 11 // the same line and column number information. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_TRANSFORMS_UTILS_ADDDISCRIMINATORS_H 16 #define LLVM_TRANSFORMS_UTILS_ADDDISCRIMINATORS_H 17 18 #include "llvm/IR/PassManager.h" 19 20 namespace llvm { 21 22 class Function; 23 24 class AddDiscriminatorsPass : public PassInfoMixin<AddDiscriminatorsPass> { 25 public: 26 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 27 static bool isRequired() { return true; } 28 }; 29 30 } // end namespace llvm 31 32 #endif // LLVM_TRANSFORMS_UTILS_ADDDISCRIMINATORS_H 33