eda6f907d2
Now that dialect constructors are generated in the .cpp file, we can drop all of the dependent dialect includes from the .h file. Differential Revision: https://reviews.llvm.org/D124298
69 lines
2.4 KiB
C++
69 lines
2.4 KiB
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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#include "mlir/Dialect/Arithmetic/IR/Arithmetic.h"
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#include "mlir/Dialect/MemRef/IR/MemRef.h"
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#include "mlir/Interfaces/SideEffectInterfaces.h"
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#include "mlir/Transforms/InliningUtils.h"
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using namespace mlir;
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using namespace mlir::memref;
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#include "mlir/Dialect/MemRef/IR/MemRefOpsDialect.cpp.inc"
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//===----------------------------------------------------------------------===//
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// MemRefDialect Dialect Interfaces
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//===----------------------------------------------------------------------===//
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namespace {
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struct MemRefInlinerInterface : public DialectInlinerInterface {
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using DialectInlinerInterface::DialectInlinerInterface;
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bool isLegalToInline(Region *dest, Region *src, bool wouldBeCloned,
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BlockAndValueMapping &valueMapping) const final {
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return true;
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}
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bool isLegalToInline(Operation *, Region *, bool wouldBeCloned,
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BlockAndValueMapping &) const final {
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return true;
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}
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};
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} // namespace
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void mlir::memref::MemRefDialect::initialize() {
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addOperations<
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#define GET_OP_LIST
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#include "mlir/Dialect/MemRef/IR/MemRefOps.cpp.inc"
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>();
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addInterfaces<MemRefInlinerInterface>();
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}
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/// Finds a single dealloc operation for the given allocated value.
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llvm::Optional<Operation *> mlir::memref::findDealloc(Value allocValue) {
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Operation *dealloc = nullptr;
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for (Operation *user : allocValue.getUsers()) {
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auto effectInterface = dyn_cast<MemoryEffectOpInterface>(user);
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if (!effectInterface)
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continue;
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// Try to find a free effect that is applied to one of our values
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// that will be automatically freed by our pass.
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SmallVector<MemoryEffects::EffectInstance, 2> effects;
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effectInterface.getEffectsOnValue(allocValue, effects);
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const bool isFree =
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llvm::any_of(effects, [&](MemoryEffects::EffectInstance &it) {
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return isa<MemoryEffects::Free>(it.getEffect());
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});
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if (!isFree)
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continue;
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// If we found > 1 dealloc, return None.
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if (dealloc)
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return llvm::None;
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dealloc = user;
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}
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return dealloc;
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}
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