xref: /llvm-project/mlir/test/lib/Dialect/Linalg/TestLinalgDecomposeOps.cpp (revision 09dfc5713d7e2342bea4c8447d1ed76c85eb8225)
1 //===- TestLinalgDecomposeOps.cpp - Test Linalg decomposition  ------------===//
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 for testing decomposition of Linalg ops.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #include "mlir/Dialect/Affine/IR/AffineOps.h"
14 #include "mlir/Dialect/Linalg/Transforms/Transforms.h"
15 #include "mlir/Pass/Pass.h"
16 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
17 
18 using namespace mlir;
19 
20 namespace {
21 struct TestLinalgDecomposeOps
22     : public PassWrapper<TestLinalgDecomposeOps, OperationPass<>> {
23   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestLinalgDecomposeOps)
24 
25   TestLinalgDecomposeOps() = default;
26   TestLinalgDecomposeOps(const TestLinalgDecomposeOps &pass)
27       : PassWrapper(pass){};
28   void getDependentDialects(DialectRegistry &registry) const override {
29     registry.insert<affine::AffineDialect, linalg::LinalgDialect>();
30   }
31   StringRef getArgument() const final { return "test-linalg-decompose-ops"; }
32   StringRef getDescription() const final {
33     return "Test Linalg decomposition patterns";
34   }
35 
36   Option<bool> removeDeadArgsAndResults{
37       *this, "remove-dead-args-and-results",
38       llvm::cl::desc("Test patterns to erase unused operands and results"),
39       llvm::cl::init(false)};
40 
41   void runOnOperation() override {
42     MLIRContext *context = &this->getContext();
43     RewritePatternSet decompositionPatterns(context);
44     linalg::populateDecomposeLinalgOpsPattern(decompositionPatterns,
45                                               removeDeadArgsAndResults);
46     if (failed(applyPatternsGreedily(getOperation(),
47                                      std::move(decompositionPatterns)))) {
48       return signalPassFailure();
49     }
50   }
51 };
52 } // namespace
53 
54 namespace mlir {
55 namespace test {
56 void registerTestLinalgDecomposeOps() {
57   PassRegistration<TestLinalgDecomposeOps>();
58 }
59 } // namespace test
60 } // namespace mlir
61