| 1 | //===- OptUtils.h - MLIR Execution Engine opt pass utilities ----*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file declares the utility functions to trigger LLVM optimizations from |
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| 10 | // MLIR Execution Engine. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #ifndef MLIR_EXECUTIONENGINE_OPTUTILS_H |
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| 15 | #define MLIR_EXECUTIONENGINE_OPTUTILS_H |
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| 16 | |
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| 17 | #include <functional> |
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| 18 | #include <string> |
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| 19 | |
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| 20 | namespace llvm { |
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| 21 | class Module; |
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| 22 | class Error; |
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| 23 | class TargetMachine; |
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| 24 | } // namespace llvm |
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| 25 | |
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| 26 | namespace mlir { |
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| 27 | |
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| 28 | /// Create a module transformer function for MLIR ExecutionEngine that runs |
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| 29 | /// LLVM IR passes corresponding to the given speed and size optimization |
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| 30 | /// levels (e.g. -O2 or -Os). If not null, `targetMachine` is used to |
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| 31 | /// initialize passes that provide target-specific information to the LLVM |
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| 32 | /// optimizer. `targetMachine` must outlive the returned std::function. |
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| 33 | std::function<llvm::Error(llvm::Module *)> |
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| 34 | makeOptimizingTransformer(unsigned optLevel, unsigned sizeLevel, |
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| 35 | llvm::TargetMachine *targetMachine); |
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| 36 | |
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| 37 | } // namespace mlir |
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| 38 | |
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| 39 | #endif // MLIR_EXECUTIONENGINE_OPTUTILS_H |
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| 40 | |
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