| //===- CSE.h - Common Subexpression Elimination -----------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares methods for eliminating common subexpressions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef MLIR_TRANSFORMS_CSE_H_ |
| #define MLIR_TRANSFORMS_CSE_H_ |
| |
| namespace mlir { |
| |
| class DominanceInfo; |
| class Operation; |
| class RewriterBase; |
| |
| /// Eliminate common subexpressions within the given operation. This transform |
| /// looks for and deduplicates equivalent operations. |
| /// |
| /// `changed` indicates whether the IR was modified or not. |
| void eliminateCommonSubExpressions(RewriterBase &rewriter, |
| DominanceInfo &domInfo, Operation *op, |
| bool *changed = nullptr); |
| |
| } // namespace mlir |
| |
| #endif // MLIR_TRANSFORMS_CSE_H_ |
