| 1 | //===- PatternMatchTest.cpp - PatternMatch unit tests ---------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "mlir/IR/PatternMatch.h" |
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| 10 | #include "gtest/gtest.h" |
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| 11 | |
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| 12 | #include "../../test/lib/Dialect/Test/TestDialect.h" |
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| 13 | #include "../../test/lib/Dialect/Test/TestOps.h" |
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| 14 | |
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| 15 | using namespace mlir; |
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| 16 | |
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| 17 | namespace { |
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| 18 | struct AnOpRewritePattern : OpRewritePattern<test::OpA> { |
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| 19 | AnOpRewritePattern(MLIRContext *context) |
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| 20 | : OpRewritePattern(context, /*benefit=*/1, |
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| 21 | /*generatedNames=*/{test::OpB::getOperationName()}) {} |
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| 22 | |
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| 23 | LogicalResult matchAndRewrite(test::OpA op, |
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| 24 | PatternRewriter &rewriter) const override { |
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| 25 | return failure(); |
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| 26 | } |
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| 27 | }; |
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| 28 | TEST(OpRewritePatternTest, GetGeneratedNames) { |
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| 29 | MLIRContext context; |
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| 30 | AnOpRewritePattern pattern(&context); |
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| 31 | ArrayRef<OperationName> ops = pattern.getGeneratedOps(); |
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| 32 | |
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| 33 | ASSERT_EQ(ops.size(), 1u); |
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| 34 | ASSERT_EQ(ops.front().getStringRef(), test::OpB::getOperationName()); |
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| 35 | } |
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| 36 | } // end anonymous namespace |
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| 37 | |
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| 38 | namespace { |
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| 39 | LogicalResult anOpRewritePatternFunc(test::OpA op, PatternRewriter &rewriter) { |
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| 40 | return failure(); |
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| 41 | } |
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| 42 | TEST(AnOpRewritePatternTest, PatternFuncAttributes) { |
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| 43 | MLIRContext context; |
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| 44 | RewritePatternSet patterns(&context); |
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| 45 | |
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| 46 | patterns.add(anOpRewritePatternFunc, /*benefit=*/3, |
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| 47 | /*generatedNames=*/{test::OpB::getOperationName()}); |
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| 48 | ASSERT_EQ(patterns.getNativePatterns().size(), 1U); |
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| 49 | auto &pattern = patterns.getNativePatterns().front(); |
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| 50 | ASSERT_EQ(pattern->getBenefit(), 3); |
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| 51 | ASSERT_EQ(pattern->getGeneratedOps().size(), 1U); |
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| 52 | ASSERT_EQ(pattern->getGeneratedOps().front().getStringRef(), |
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| 53 | test::OpB::getOperationName()); |
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| 54 | } |
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| 55 | } // end anonymous namespace |
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| 56 | |
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