58 lines
1.9 KiB
C++
58 lines
1.9 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "mlir/Dialect/Arith/IR/Arith.h"
|
|
#include "mlir/Dialect/MemRef/IR/MemRef.h"
|
|
#include "mlir/Interfaces/SideEffectInterfaces.h"
|
|
#include "mlir/Transforms/InliningUtils.h"
|
|
|
|
using namespace mlir;
|
|
using namespace mlir::memref;
|
|
|
|
#include "mlir/Dialect/MemRef/IR/MemRefOpsDialect.cpp.inc"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// MemRefDialect Dialect Interfaces
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
namespace {
|
|
struct MemRefInlinerInterface : public DialectInlinerInterface {
|
|
using DialectInlinerInterface::DialectInlinerInterface;
|
|
bool isLegalToInline(Region *dest, Region *src, bool wouldBeCloned,
|
|
BlockAndValueMapping &valueMapping) const final {
|
|
return true;
|
|
}
|
|
bool isLegalToInline(Operation *, Region *, bool wouldBeCloned,
|
|
BlockAndValueMapping &) const final {
|
|
return true;
|
|
}
|
|
};
|
|
} // namespace
|
|
|
|
void mlir::memref::MemRefDialect::initialize() {
|
|
addOperations<
|
|
#define GET_OP_LIST
|
|
#include "mlir/Dialect/MemRef/IR/MemRefOps.cpp.inc"
|
|
>();
|
|
addInterfaces<MemRefInlinerInterface>();
|
|
}
|
|
|
|
/// Finds the unique dealloc operation (if one exists) for `allocValue`.
|
|
llvm::Optional<Operation *> mlir::memref::findDealloc(Value allocValue) {
|
|
Operation *dealloc = nullptr;
|
|
for (Operation *user : allocValue.getUsers()) {
|
|
if (!hasEffect<MemoryEffects::Free>(user, allocValue))
|
|
continue;
|
|
// If we found > 1 dealloc, return std::nullopt.
|
|
if (dealloc)
|
|
return std::nullopt;
|
|
dealloc = user;
|
|
}
|
|
return dealloc;
|
|
}
|