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//===- PatternMatchTest.cpp - PatternMatch unit tests ---------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir/IR/PatternMatch.h"
#include "gtest/gtest.h"
#include "../../test/lib/Dialect/Test/TestDialect.h"
#include "../../test/lib/Dialect/Test/TestOps.h"
using namespace mlir;
namespace {
struct AnOpRewritePattern : OpRewritePattern<test::OpA> {
AnOpRewritePattern(MLIRContext *context)
: OpRewritePattern(context, /*benefit=*/1,
/*generatedNames=*/{test::OpB::getOperationName()}) {}
};
TEST(OpRewritePatternTest, GetGeneratedNames) {
MLIRContext context;
AnOpRewritePattern pattern(&context);
ArrayRef<OperationName> ops = pattern.getGeneratedOps();
ASSERT_EQ(ops.size(), 1u);
ASSERT_EQ(ops.front().getStringRef(), test::OpB::getOperationName());
}
} // end anonymous namespace
namespace {
LogicalResult anOpRewritePatternFunc(test::OpA op, PatternRewriter &rewriter) {
return failure();
}
TEST(AnOpRewritePatternTest, PatternFuncAttributes) {
MLIRContext context;
RewritePatternSet patterns(&context);
patterns.add(anOpRewritePatternFunc, /*benefit=*/3,
/*generatedNames=*/{test::OpB::getOperationName()});
ASSERT_EQ(patterns.getNativePatterns().size(), 1U);
auto &pattern = patterns.getNativePatterns().front();
ASSERT_EQ(pattern->getBenefit(), 3);
ASSERT_EQ(pattern->getGeneratedOps().size(), 1U);
ASSERT_EQ(pattern->getGeneratedOps().front().getStringRef(),
test::OpB::getOperationName());
}
} // end anonymous namespace
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