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55 lines
1.7 KiB
55 lines
1.7 KiB
7 months ago
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//===- TestReducer.cpp - Test MLIR Reduce ---------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a pass that reproduces errors based on trivially defined
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// patterns. It is used as a buggy optimization pass for the purpose of testing
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// the MLIR Reduce tool.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Pass/Pass.h"
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#define PASS_NAME "test-mlir-reducer"
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using namespace mlir;
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static llvm::cl::OptionCategory clOptionsCategory(PASS_NAME " options");
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namespace {
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/// This pass looks for for the presence of an operation with the name
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/// "crashOp" in the input MLIR file and crashes the mlir-opt tool if the
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/// operation is found.
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struct TestReducer : public PassWrapper<TestReducer, FunctionPass> {
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TestReducer() = default;
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TestReducer(const TestReducer &pass){};
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void runOnFunction() override;
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};
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} // end anonymous namespace
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void TestReducer::runOnFunction() {
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for (auto &op : getOperation())
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op.walk([&](Operation *op) {
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StringRef opName = op->getName().getStringRef();
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if (opName == "test.crashOp") {
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llvm::errs() << "MLIR Reducer Test generated failure: Found "
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"\"crashOp\" operation\n";
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exit(1);
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}
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});
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}
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namespace mlir {
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void registerTestReducer() {
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PassRegistration<TestReducer>(
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PASS_NAME, "Tests MLIR Reduce tool by generating failures");
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}
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} // namespace mlir
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