41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
//===- LocalAliasAnalysis.h - Local Stateless Alias Analysis ----*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the implementation of a local stateless alias analysis.
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// This analysis walks from the values being compared to determine their
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// potential for aliasing.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_ANALYSIS_ALIASANALYSIS_LOCALALIASANALYSIS_H_
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#define MLIR_ANALYSIS_ALIASANALYSIS_LOCALALIASANALYSIS_H_
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#include "mlir/Analysis/AliasAnalysis.h"
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namespace mlir {
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/// This class implements a local form of alias analysis that tries to identify
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/// the underlying values addressed by each value and performs a few basic
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/// checks to see if they alias.
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class LocalAliasAnalysis {
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public:
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virtual ~LocalAliasAnalysis() = default;
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/// Given two values, return their aliasing behavior.
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AliasResult alias(Value lhs, Value rhs);
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/// Return the modify-reference behavior of `op` on `location`.
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ModRefResult getModRef(Operation *op, Value location);
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protected:
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/// Given the two values, return their aliasing behavior.
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virtual AliasResult aliasImpl(Value lhs, Value rhs);
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};
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} // namespace mlir
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#endif // MLIR_ANALYSIS_ALIASANALYSIS_LOCALALIASANALYSIS_H_
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