| 1 | //===-- SROA.h - Scalar Replacement Of Aggregates ---------------*- 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 | #ifndef MLIR_TRANSFORMS_SROA_H |
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| 10 | #define MLIR_TRANSFORMS_SROA_H |
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| 11 | |
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| 12 | #include "mlir/Interfaces/MemorySlotInterfaces.h" |
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| 13 | #include "mlir/Support/LogicalResult.h" |
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| 14 | #include "llvm/ADT/Statistic.h" |
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| 15 | |
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| 16 | namespace mlir { |
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| 17 | |
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| 18 | /// Statistics collected while applying SROA. |
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| 19 | struct SROAStatistics { |
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| 20 | /// Total amount of memory slots destructured. |
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| 21 | llvm::Statistic *destructuredAmount = nullptr; |
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| 22 | /// Total amount of memory slots in which the destructured size was smaller |
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| 23 | /// than the total size after eliminating unused fields. |
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| 24 | llvm::Statistic *slotsWithMemoryBenefit = nullptr; |
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| 25 | /// Maximal number of sub-elements a successfully destructured slot initially |
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| 26 | /// had. |
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| 27 | llvm::Statistic *maxSubelementAmount = nullptr; |
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| 28 | }; |
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| 29 | |
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| 30 | /// Attempts to destructure the slots of destructurable allocators. Returns |
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| 31 | /// failure if no slot was destructured. |
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| 32 | LogicalResult tryToDestructureMemorySlots( |
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| 33 | ArrayRef<DestructurableAllocationOpInterface> allocators, |
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| 34 | RewriterBase &rewriter, const DataLayout &dataLayout, |
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| 35 | SROAStatistics statistics = {}); |
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| 36 | |
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| 37 | } // namespace mlir |
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| 38 | |
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| 39 | #endif // MLIR_TRANSFORMS_SROA_H |
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| 40 | |
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