mlir/test/lib/Dialect/MemRef/TestComposeSubView.cpp

   1 //===- TestComposeSubView.cpp - Test composed subviews --------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements a pass to test the composed subview patterns.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "mlir/Dialect/Affine/IR/AffineOps.h"
  14 #include "mlir/Dialect/MemRef/Transforms/ComposeSubView.h"
  15 #include "mlir/Pass/Pass.h"
  16 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
  17
  18 using namespace mlir;
  19
  20 namespace {
  21 struct TestComposeSubViewPass
  22     : public PassWrapper<TestComposeSubViewPass, OperationPass<>> {
  23   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestComposeSubViewPass)
  24
  25   StringRef getArgument() const final { return "test-compose-subview"; }
  26   StringRef getDescription() const final {
  27     return "Test combining composed subviews";
  28   }
  29   void runOnOperation() override;
  30   void getDependentDialects(DialectRegistry &registry) const override;
  31 };
  32
  33 void TestComposeSubViewPass::getDependentDialects(
  34     DialectRegistry &registry) const {
  35   registry.insert<affine::AffineDialect>();
  36 }
  37
  38 void TestComposeSubViewPass::runOnOperation() {
  39   RewritePatternSet patterns(&getContext());
  40   memref::populateComposeSubViewPatterns(patterns, &getContext());
  41   (void)applyPatternsAndFoldGreedily(getOperation(), std::move(patterns));
  42 }
  43 } // namespace
  44
  45 namespace mlir {
  46 namespace test {
  47 void registerTestComposeSubView() {
  48   PassRegistration<TestComposeSubViewPass>();
  49 }
  50 } // namespace test
  51 } // namespace mlir