1 //===- DCE.h - Dead code elimination ----------------------------*- 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 file provides the interface for the Dead Code Elimination pass. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_TRANSFORMS_SCALAR_DCE_H 14 #define LLVM_TRANSFORMS_SCALAR_DCE_H 15 16 #include "llvm/IR/Function.h" 17 #include "llvm/IR/PassManager.h" 18 19 namespace llvm { 20 21 /// Basic Dead Code Elimination pass. 22 class DCEPass : public PassInfoMixin<DCEPass> { 23 public: 24 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 25 }; 26 27 class RedundantDbgInstEliminationPass 28 : public PassInfoMixin<RedundantDbgInstEliminationPass> { 29 public: 30 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); 31 }; 32 } 33 34 #endif // LLVM_TRANSFORMS_SCALAR_DCE_H 35