| 1 | //===- TestUpliftWhileToFor.cpp - while to for loop uplifting test pass ---===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // Pass to test transforms SCF.WhileOp's into SCF.ForOp's. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #include "mlir/Dialect/SCF/Transforms/Patterns.h" |
| 14 | #include "mlir/IR/PatternMatch.h" |
| 15 | #include "mlir/Pass/Pass.h" |
| 16 | #include "mlir/Transforms/GreedyPatternRewriteDriver.h" |
| 17 | |
| 18 | using namespace mlir; |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | struct TestSCFUpliftWhileToFor |
| 23 | : public PassWrapper<TestSCFUpliftWhileToFor, OperationPass<void>> { |
| 24 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestSCFUpliftWhileToFor) |
| 25 | |
| 26 | StringRef getArgument() const final { return "test-scf-uplift-while-to-for"; } |
| 27 | |
| 28 | StringRef getDescription() const final { |
| 29 | return "test scf while to for uplifting"; |
| 30 | } |
| 31 | |
| 32 | void runOnOperation() override { |
| 33 | Operation *op = getOperation(); |
| 34 | MLIRContext *ctx = op->getContext(); |
| 35 | RewritePatternSet patterns(ctx); |
| 36 | scf::populateUpliftWhileToForPatterns(patterns); |
| 37 | if (failed(applyPatternsGreedily(op, std::move(patterns)))) |
| 38 | signalPassFailure(); |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | } // namespace |
| 43 | |
| 44 | namespace mlir { |
| 45 | namespace test { |
| 46 | void registerTestSCFUpliftWhileToFor() { |
| 47 | PassRegistration<TestSCFUpliftWhileToFor>(); |
| 48 | } |
| 49 | } // namespace test |
| 50 | } // namespace mlir |
| 51 |