LLVM 17.0.0git
ADCE.h
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1//===- ADCE.h - Aggressive 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 Aggressive Dead Code Elimination
10// pass. This pass optimistically assumes that all instructions are dead until
11// proven otherwise, allowing it to eliminate dead computations that other DCE
12// passes do not catch, particularly involving loop computations.
13//
14//===----------------------------------------------------------------------===//
15
16#ifndef LLVM_TRANSFORMS_SCALAR_ADCE_H
17#define LLVM_TRANSFORMS_SCALAR_ADCE_H
18
19#include "llvm/IR/PassManager.h"
20
21namespace llvm {
22
23class Function;
24
25/// A DCE pass that assumes instructions are dead until proven otherwise.
26///
27/// This pass eliminates dead code by optimistically assuming that all
28/// instructions are dead until proven otherwise. This allows it to eliminate
29/// dead computations that other DCE passes do not catch, particularly involving
30/// loop computations.
31struct ADCEPass : PassInfoMixin<ADCEPass> {
33};
34
35} // end namespace llvm
36
37#endif // LLVM_TRANSFORMS_SCALAR_ADCE_H
#define F(x, y, z)
Definition: MD5.cpp:55
This header defines various interfaces for pass management in LLVM.
A container for analyses that lazily runs them and caches their results.
Definition: PassManager.h:620
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:152
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
A DCE pass that assumes instructions are dead until proven otherwise.
Definition: ADCE.h:31
PreservedAnalyses run(Function &F, FunctionAnalysisManager &)
Definition: ADCE.cpp:697
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:371