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//===- TestOperationEquals.cpp - Passes to test OperationEquivalence ------===//
//
// 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/BuiltinOps.h"
#include "mlir/Pass/Pass.h"
using namespace mlir;
namespace {
/// This pass illustrates the IR def-use chains through printing.
struct TestOperationEqualPass
: public PassWrapper<TestOperationEqualPass, OperationPass<ModuleOp>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestOperationEqualPass)
StringRef getArgument() const final { return "test-operations-equality"; }
StringRef getDescription() const final { return "Test operations equality."; }
void runOnOperation() override {
ModuleOp module = getOperation();
// Expects two operations at the top-level:
int opCount = module.getBody()->getOperations().size();
if (opCount != 2) {
module.emitError() << "expected 2 top-level ops in the module, got "
<< opCount;
return signalPassFailure();
}
Operation *first = &module.getBody()->front();
llvm::outs() << first->getName().getStringRef() << " with attr "
<< first->getDiscardableAttrDictionary();
OperationEquivalence::Flags flags{};
if (!first->hasAttr("strict_loc_check"))
flags |= OperationEquivalence::IgnoreLocations;
if (OperationEquivalence::isEquivalentTo(first, &module.getBody()->back(),
flags))
llvm::outs() << " compares equals.\n";
else
llvm::outs() << " compares NOT equals!\n";
}
};
} // namespace
namespace mlir {
void registerTestOperationEqualPass() {
PassRegistration<TestOperationEqualPass>();
}
} // namespace mlir
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