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/PassManager.h"
17
18namespace llvm {
19
20class Function;
21
22/// Basic Dead Code Elimination pass.
23class DCEPass : public PassInfoMixin<DCEPass> {
24public:
25 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
26};
27
28class RedundantDbgInstEliminationPass
29 : public PassInfoMixin<RedundantDbgInstEliminationPass> {
30public:
31 PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
32};
33}
34
35#endif // LLVM_TRANSFORMS_SCALAR_DCE_H
36

source code of llvm/include/llvm/Transforms/Scalar/DCE.h