[llvm] [mlir] [mlir][bufferization] Add `BufferViewFlowOpInterface` (PR #78718)

[Matthias Springer via llvm-commits]

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@@ -0,0 +1,48 @@
+//===- BufferViewFlowOpInterfaceImpl.cpp - Buffer View Flow Analysis ------===//
+//
+// 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/MemRef/Transforms/BufferViewFlowOpInterfaceImpl.h"
+
+#include "mlir/Dialect/Bufferization/IR/BufferViewFlowOpInterface.h"
+#include "mlir/Dialect/MemRef/IR/MemRef.h"
+
+using namespace mlir;
+using namespace mlir::bufferization;
+
+namespace mlir {
+namespace memref {
+namespace {
+
+struct ReallocOpInterface
+    : public BufferViewFlowOpInterface::ExternalModel<ReallocOpInterface,
+                                                      ReallocOp> {
+  void
+  populateDependencies(Operation *op,
+                       RegisterDependenciesFn registerDependenciesFn) const {
+    auto reallocOp = cast<ReallocOp>(op);
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matthias-springer wrote:

I'm not very familiar with that part of the code base, let's do that in a follow-up PR.


https://github.com/llvm/llvm-project/pull/78718