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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- Scalarizer.h --- Scalarize vector operations -----------------------===// |
| 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 | /// \file |
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| 10 | /// This pass converts vector operations into scalar operations, in order |
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| 11 | /// to expose optimization opportunities on the individual scalar operations. |
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| 12 | /// It is mainly intended for targets that do not have vector units, but it |
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| 13 | /// may also be useful for revectorizing code to different vector widths. |
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| 14 | // |
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| 15 | //===----------------------------------------------------------------------===// |
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| 16 | |||
| 17 | #ifndef LLVM_TRANSFORMS_SCALAR_SCALARIZER_H |
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| 18 | #define LLVM_TRANSFORMS_SCALAR_SCALARIZER_H |
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| 19 | |||
| 20 | #include "llvm/IR/PassManager.h" |
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| 21 | #include <optional> |
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| 22 | |||
| 23 | namespace llvm { |
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| 24 | |||
| 25 | class Function; |
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| 26 | class FunctionPass; |
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| 27 | |||
| 28 | struct ScalarizerPassOptions { |
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| 29 | // These optional booleans correspond 1:1 to cl::opt<bool> options defined in |
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| 30 | // Scalarizer.cpp. When the cl::opt are specified, they take precedence. |
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| 31 | // When the cl::opt are not specified, the present optional booleans allow to |
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| 32 | // override the cl::opt's default values. |
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| 33 | std::optional<bool> ScalarizeVariableInsertExtract; |
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| 34 | std::optional<bool> ScalarizeLoadStore; |
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| 35 | }; |
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| 36 | |||
| 37 | class ScalarizerPass : public PassInfoMixin<ScalarizerPass> { |
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| 38 | ScalarizerPassOptions Options; |
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| 39 | |||
| 40 | public: |
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| 41 | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
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| 42 | |||
| 43 | void setScalarizeVariableInsertExtract(bool Value) { |
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| 44 | Options.ScalarizeVariableInsertExtract = Value; |
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| 45 | } |
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| 46 | void setScalarizeLoadStore(bool Value) { Options.ScalarizeLoadStore = Value; } |
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| 47 | }; |
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| 48 | |||
| 49 | /// Create a legacy pass manager instance of the Scalarizer pass |
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| 50 | FunctionPass *createScalarizerPass(); |
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| 51 | |||
| 52 | } |
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| 53 | |||
| 54 | #endif /* LLVM_TRANSFORMS_SCALAR_SCALARIZER_H */ |