| 1 | //===- TestSlice.cpp - Test slice related analisis ------------------------===// |
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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/Analysis/TopologicalSortUtils.h" |
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| 10 | #include "mlir/IR/BuiltinTypes.h" |
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| 11 | #include "mlir/IR/SymbolTable.h" |
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| 12 | #include "mlir/Pass/Pass.h" |
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| 13 | |
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| 14 | using namespace mlir; |
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| 15 | |
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| 16 | static const StringLiteral kToSortMark = "test_to_sort" ; |
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| 17 | static const StringLiteral kOrderIndex = "test_sort_index" ; |
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| 18 | |
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| 19 | namespace { |
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| 20 | |
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| 21 | struct TestTopologicalSortPass |
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| 22 | : public PassWrapper<TestTopologicalSortPass, |
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| 23 | InterfacePass<SymbolOpInterface>> { |
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| 24 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestTopologicalSortPass) |
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| 25 | |
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| 26 | StringRef getArgument() const final { return "test-print-topological-sort" ; } |
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| 27 | StringRef getDescription() const final { |
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| 28 | return "Sorts operations topologically and attaches attributes with their " |
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| 29 | "corresponding index in the ordering to them" ; |
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| 30 | } |
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| 31 | void runOnOperation() override { |
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| 32 | SetVector<Operation *> toSort; |
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| 33 | getOperation().walk([&](Operation *op) { |
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| 34 | if (op->hasAttrOfType<UnitAttr>(kToSortMark)) |
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| 35 | toSort.insert(X: op); |
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| 36 | }); |
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| 37 | |
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| 38 | auto i32Type = IntegerType::get(&getContext(), 32); |
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| 39 | SetVector<Operation *> sortedOps = topologicalSort(toSort); |
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| 40 | for (auto [index, op] : llvm::enumerate(sortedOps)) |
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| 41 | op->setAttr(kOrderIndex, IntegerAttr::get(i32Type, index)); |
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| 42 | } |
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| 43 | }; |
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| 44 | |
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| 45 | } // namespace |
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| 46 | |
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| 47 | namespace mlir { |
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| 48 | namespace test { |
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| 49 | void registerTestSliceAnalysisPass() { |
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| 50 | PassRegistration<TestTopologicalSortPass>(); |
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| 51 | } |
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| 52 | } // namespace test |
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| 53 | } // namespace mlir |
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| 54 | |
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