| 1 | //===- Passes.h - Pass Entrypoints ------------------------------*- 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 header file defines prototypes that expose pass constructors in the |
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| 10 | // shape transformation library. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #ifndef MLIR_DIALECT_SHAPE_TRANSFORMS_PASSES_H_ |
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| 15 | #define MLIR_DIALECT_SHAPE_TRANSFORMS_PASSES_H_ |
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| 16 | |
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| 17 | #include "mlir/Pass/Pass.h" |
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| 18 | |
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| 19 | namespace mlir { |
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| 20 | class ConversionTarget; |
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| 21 | class ModuleOp; |
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| 22 | class TypeConverter; |
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| 23 | namespace func { |
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| 24 | class FuncOp; |
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| 25 | } // namespace func |
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| 26 | } // namespace mlir |
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| 27 | |
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| 28 | namespace mlir { |
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| 29 | |
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| 30 | #define GEN_PASS_DECL |
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| 31 | #include "mlir/Dialect/Shape/Transforms/Passes.h.inc" |
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| 32 | |
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| 33 | /// Creates an instance of the ShapeToShapeLowering pass that legalizes Shape |
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| 34 | /// dialect to be convertible to Arith. For example, `shape.num_elements` get |
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| 35 | /// transformed to `shape.reduce`, which can be lowered to SCF and Arith. |
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| 36 | std::unique_ptr<Pass> createShapeToShapeLowering(); |
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| 37 | |
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| 38 | /// Collects a set of patterns to rewrite ops within the Shape dialect. |
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| 39 | void populateShapeRewritePatterns(RewritePatternSet &patterns); |
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| 40 | |
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| 41 | // Collects a set of patterns to replace all constraints with passing witnesses. |
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| 42 | // This is intended to then allow all ShapeConstraint related ops and data to |
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| 43 | // have no effects and allow them to be freely removed such as through |
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| 44 | // canonicalization and dead code elimination. |
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| 45 | // |
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| 46 | // After this pass, no cstr_ operations exist. |
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| 47 | void populateRemoveShapeConstraintsPatterns(RewritePatternSet &patterns); |
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| 48 | std::unique_ptr<OperationPass<func::FuncOp>> createRemoveShapeConstraintsPass(); |
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| 49 | |
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| 50 | // Bufferizes shape dialect ops. |
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| 51 | // |
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| 52 | // Note that most shape dialect ops must be converted to std before |
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| 53 | // bufferization happens, as they are intended to be bufferized at the std |
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| 54 | // level. |
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| 55 | std::unique_ptr<OperationPass<func::FuncOp>> createShapeBufferizePass(); |
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| 56 | |
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| 57 | /// Outline the shape computation part by adding shape.func and populate |
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| 58 | /// conrresponding mapping infomation into ShapeMappingAnalysis. |
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| 59 | std::unique_ptr<OperationPass<ModuleOp>> createOutlineShapeComputationPass(); |
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| 60 | |
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| 61 | //===----------------------------------------------------------------------===// |
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| 62 | // Registration |
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| 63 | //===----------------------------------------------------------------------===// |
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| 64 | |
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| 65 | /// Generate the code for registering passes. |
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| 66 | #define GEN_PASS_REGISTRATION |
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| 67 | #include "mlir/Dialect/Shape/Transforms/Passes.h.inc" |
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| 68 | |
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| 69 | } // namespace mlir |
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| 70 | |
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| 71 | #endif // MLIR_DIALECT_SHAPE_TRANSFORMS_PASSES_H_ |
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| 72 | |
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