d9b021d33a
Avoids runtime crashes caused by deleting operations inside a walk. Operations are gathered during the walk and then erased in the correct dependency order after the walk finishes. Issue: [#130023](https://github.com/llvm/llvm-project/issues/130023) --------- Co-authored-by: Milos Poletanovic <mpoletanovic@syrmia.com> Co-authored-by: Milos Poletanovic <milos.poletanovic@htecgroup.com>
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//===- TestTransformDialectInterpreter.cpp --------------------------------===//
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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 defines a test pass that interprets Transform dialect operations in
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// the module.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/Transform/Interfaces/TransformInterfaces.h"
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#include "mlir/IR/BuiltinOps.h"
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#include "mlir/Pass/Pass.h"
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using namespace mlir;
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namespace {
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template <typename Derived>
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class OpPassWrapper : public PassWrapper<Derived, OperationPass<>> {};
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struct TestTransformDialectEraseSchedulePass
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: public PassWrapper<TestTransformDialectEraseSchedulePass,
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OperationPass<ModuleOp>> {
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MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(
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TestTransformDialectEraseSchedulePass)
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StringRef getArgument() const final {
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return "test-transform-dialect-erase-schedule";
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}
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StringRef getDescription() const final {
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return "erase transform dialect schedule from the IR";
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}
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void runOnOperation() override {
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SmallVector<Operation *> opsToDelete;
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getOperation()->walk<WalkOrder::PreOrder>([&](Operation *nestedOp) {
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if (isa<transform::TransformOpInterface>(nestedOp)) {
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opsToDelete.push_back(nestedOp);
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return WalkResult::skip();
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}
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return WalkResult::advance();
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});
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for (Operation *op : llvm::reverse(opsToDelete)) {
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// erase the operation
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op->erase();
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}
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}
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};
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} // namespace
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namespace mlir {
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namespace test {
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/// Registers the test pass for erasing transform dialect ops.
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void registerTestTransformDialectEraseSchedulePass() {
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PassRegistration<TestTransformDialectEraseSchedulePass> reg;
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}
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} // namespace test
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} // namespace mlir
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