1//===-- Mem2Reg.h - Mem2Reg definitions -------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef MLIR_TRANSFORMS_MEM2REG_H
10#define MLIR_TRANSFORMS_MEM2REG_H
11
12#include "mlir/IR/PatternMatch.h"
13#include "mlir/Interfaces/MemorySlotInterfaces.h"
14#include "llvm/ADT/Statistic.h"
15
16namespace mlir {
17
18/// Statistics collected while applying mem2reg.
19struct Mem2RegStatistics {
20 /// Total amount of memory slots promoted.
21 llvm::Statistic *promotedAmount = nullptr;
22 /// Total amount of new block arguments inserted in blocks.
23 llvm::Statistic *newBlockArgumentAmount = nullptr;
24};
25
26/// Attempts to promote the memory slots of the provided allocators. Succeeds if
27/// at least one memory slot was promoted.
28LogicalResult
29tryToPromoteMemorySlots(ArrayRef<PromotableAllocationOpInterface> allocators,
30 RewriterBase &rewriter, const DataLayout &dataLayout,
31 Mem2RegStatistics statistics = {});
32
33} // namespace mlir
34
35#endif // MLIR_TRANSFORMS_MEM2REG_H
36

source code of mlir/include/mlir/Transforms/Mem2Reg.h