1 | //===- PatternMatchTest.cpp - PatternMatch unit tests ---------------------===// |
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 | #include "mlir/IR/PatternMatch.h" |
10 | #include "gtest/gtest.h" |
11 | |
12 | #include "../../test/lib/Dialect/Test/TestDialect.h" |
13 | |
14 | using namespace mlir; |
15 | |
16 | namespace { |
17 | struct AnOpRewritePattern : OpRewritePattern<test::OpA> { |
18 | AnOpRewritePattern(MLIRContext *context) |
19 | : OpRewritePattern(context, /*benefit=*/1, |
20 | /*generatedNames=*/{test::OpB::getOperationName()}) {} |
21 | }; |
22 | TEST(OpRewritePatternTest, GetGeneratedNames) { |
23 | MLIRContext context; |
24 | AnOpRewritePattern pattern(&context); |
25 | ArrayRef<OperationName> ops = pattern.getGeneratedOps(); |
26 | |
27 | ASSERT_EQ(ops.size(), 1u); |
28 | ASSERT_EQ(ops.front().getStringRef(), test::OpB::getOperationName()); |
29 | } |
30 | } // end anonymous namespace |
31 | |
32 | namespace { |
33 | LogicalResult anOpRewritePatternFunc(test::OpA op, PatternRewriter &rewriter) { |
34 | return failure(); |
35 | } |
36 | TEST(AnOpRewritePatternTest, PatternFuncAttributes) { |
37 | MLIRContext context; |
38 | RewritePatternSet patterns(&context); |
39 | |
40 | patterns.add(anOpRewritePatternFunc, /*benefit=*/3, |
41 | /*generatedNames=*/{test::OpB::getOperationName()}); |
42 | ASSERT_EQ(patterns.getNativePatterns().size(), 1U); |
43 | auto &pattern = patterns.getNativePatterns().front(); |
44 | ASSERT_EQ(pattern->getBenefit(), 3); |
45 | ASSERT_EQ(pattern->getGeneratedOps().size(), 1U); |
46 | ASSERT_EQ(pattern->getGeneratedOps().front().getStringRef(), |
47 | test::OpB::getOperationName()); |
48 | } |
49 | } // end anonymous namespace |
50 | |