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/Affine/IR/AffineOps.h"
15 #include "mlir/Dialect/Linalg/Transforms/Transforms.h"
16 #include "mlir/Pass/Pass.h"
17 #include "mlir/Pass/PassManager.h"
18 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
19 
20 using namespace mlir;
21 
22 namespace {
23 struct TestPadFusionPass
24     : public PassWrapper<TestPadFusionPass, OperationPass<>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID__anon7b13b6fc0111::TestPadFusionPass25   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestPadFusionPass)
26 
27   void getDependentDialects(DialectRegistry &registry) const override {
28     registry
29         .insert<AffineDialect, linalg::LinalgDialect, tensor::TensorDialect>();
30   }
31 
getArgument__anon7b13b6fc0111::TestPadFusionPass32   StringRef getArgument() const final { return "test-linalg-pad-fusion"; }
getDescription__anon7b13b6fc0111::TestPadFusionPass33   StringRef getDescription() const final { return "Test PadOp fusion"; }
34 
runOnOperation__anon7b13b6fc0111::TestPadFusionPass35   void runOnOperation() override {
36     MLIRContext *context = &getContext();
37     RewritePatternSet patterns(context);
38     linalg::populateFuseTensorPadWithProducerLinalgOpPatterns(patterns);
39     if (failed(
40             applyPatternsAndFoldGreedily(getOperation(), std::move(patterns))))
41       return signalPassFailure();
42   }
43 };
44 } // namespace
45 
46 namespace mlir {
47 namespace test {
registerTestPadFusion()48 void registerTestPadFusion() { PassRegistration<TestPadFusionPass>(); }
49 } // namespace test
50 } // namespace mlir
51