[Mlir-commits] [mlir] [mlir][vector] Add patterns for vector masked load/store (PR #74834)

[Jakub Kuderski]

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@@ -0,0 +1,122 @@
+//===- LowerVectorMaskedLoadStore.cpp - Lower 'vector.maskedload/store' op ===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements target-independent rewrites and utilities to lower the
+// 'vector.maskedload' and 'vector.maskedstore' operation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/MemRef/IR/MemRef.h"
+#include "mlir/Dialect/SCF/IR/SCF.h"
+#include "mlir/Dialect/Vector/Transforms/LoweringPatterns.h"
+
+#define DEBUG_TYPE "vector-masked-load-store-lowering"
+
+using namespace mlir;
+
+namespace {
+
+/// Convert vector.maskedload
+///
+/// Before:
+///
+///   vector.maskedload %base[%idx_0, %idx_1], %mask, %pass_thru
+///
+/// After:
+///
+///   %value = vector.load %base[%idx_0, %idx_1]
+///   arith.select %mask, %value, %pass_thru
+///
+struct VectorMaskedLoadOpConverter : OpRewritePattern<vector::MaskedLoadOp> {
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kuhar wrote:

nit
```suggestion
struct VectorMaskedLoadOpConverter final : OpRewritePattern<vector::MaskedLoadOp> {
```

https://github.com/llvm/llvm-project/pull/74834