42 lines
1.5 KiB
C++
42 lines
1.5 KiB
C++
//===-- SROA.h - Scalar Replacement Of Aggregates ---------------*- 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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#ifndef MLIR_TRANSFORMS_SROA_H
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#define MLIR_TRANSFORMS_SROA_H
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#include "mlir/Interfaces/MemorySlotInterfaces.h"
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#include "mlir/Support/LLVM.h"
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#include "llvm/ADT/Statistic.h"
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namespace mlir {
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/// Statistics collected while applying SROA.
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struct SROAStatistics {
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/// Total amount of memory slots destructured.
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llvm::Statistic *destructuredAmount = nullptr;
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/// Total amount of memory slots in which the destructured size was smaller
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/// than the total size after eliminating unused fields.
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llvm::Statistic *slotsWithMemoryBenefit = nullptr;
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/// Maximal number of sub-elements a successfully destructured slot initially
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/// had.
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llvm::Statistic *maxSubelementAmount = nullptr;
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};
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/// Attempts to destructure the slots of destructurable allocators. Iteratively
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/// retries the destructuring of all slots as destructuring one slot might
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/// enable subsequent destructuring. Returns failure if no slot was
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/// destructured.
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LogicalResult tryToDestructureMemorySlots(
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ArrayRef<DestructurableAllocationOpInterface> allocators,
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OpBuilder &builder, const DataLayout &dataLayout,
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SROAStatistics statistics = {});
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} // namespace mlir
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#endif // MLIR_TRANSFORMS_SROA_H
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