[Mlir-commits] [mlir] [AMDGPU] fold `memref.subview/expand_shape/collapse_shape` into `amdgpu.gather_to_lds` (PR #149851)

[Jakub Kuderski]

================
@@ -0,0 +1,99 @@
+//===- FoldSubviewOps.cpp - AMDGPU fold subview ops -----------------------===//
+//
+// 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/AMDGPU/Transforms/Passes.h"
+
+#include "mlir/Dialect/AMDGPU/IR/AMDGPUDialect.h"
+#include "mlir/Dialect/Affine/ViewLikeInterfaceUtils.h"
+#include "mlir/Dialect/MemRef/IR/MemRef.h"
+#include "mlir/Dialect/MemRef/Utils/MemRefUtils.h"
+#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
+#include "llvm/ADT/TypeSwitch.h"
+
+namespace mlir::amdgpu {
+#define GEN_PASS_DEF_AMDGPUFOLDSUBVIEWOPSPASS
+#include "mlir/Dialect/AMDGPU/Transforms/Passes.h.inc"
+
+struct AmdgpuFoldMemRefOpsPass
+    : public amdgpu::impl::AmdgpuFoldSubviewOpsPassBase<
----------------
kuhar wrote:

```suggestion
struct AmdgpuFoldMemRefOpsPass final
    : amdgpu::impl::AmdgpuFoldSubviewOpsPassBase<
```

https://github.com/llvm/llvm-project/pull/149851