1 //===- TestPadFusion.cpp - Test fusion of pad op with Linalg ops ---------===//
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 fusion of pad ops with its producer
10 // Linalg op.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "mlir/Dialect/Linalg/Transforms/Transforms.h"
15 #include "mlir/Pass/Pass.h"
16 #include "mlir/Pass/PassManager.h"
17 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
18 
19 using namespace mlir;
20 
21 namespace {
22 struct TestPadFusionPass
23     : public PassWrapper<TestPadFusionPass, OperationPass<>> {
24   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestPadFusionPass)
25 
26   void getDependentDialects(DialectRegistry &registry) const override {
27     registry
28         .insert<AffineDialect, linalg::LinalgDialect, tensor::TensorDialect>();
29   }
30 
31   StringRef getArgument() const final { return "test-linalg-pad-fusion"; }
32   StringRef getDescription() const final { return "Test PadOp fusion"; }
33 
34   void runOnOperation() override {
35     MLIRContext *context = &getContext();
36     RewritePatternSet patterns(context);
37     linalg::populateFuseTensorPadWithProducerLinalgOpPatterns(patterns);
38     if (failed(
39             applyPatternsAndFoldGreedily(getOperation(), std::move(patterns))))
40       return signalPassFailure();
41   }
42 };
43 } // namespace
44 
45 namespace mlir {
46 namespace test {
47 void registerTestPadFusion() { PassRegistration<TestPadFusionPass>(); }
48 } // namespace test
49 } // namespace mlir
50