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