| 1 | //===- TestTypes.cpp - Test passes for MLIR types -------------------------===// |
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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 "TestTypes.h" |
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| 10 | #include "TestDialect.h" |
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| 11 | #include "mlir/Dialect/Func/IR/FuncOps.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 | using namespace test; |
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| 16 | |
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| 17 | namespace { |
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| 18 | struct TestRecursiveTypesPass |
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| 19 | : public PassWrapper<TestRecursiveTypesPass, OperationPass<func::FuncOp>> { |
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| 20 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestRecursiveTypesPass) |
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| 21 | |
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| 22 | LogicalResult createIRWithTypes(); |
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| 23 | |
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| 24 | StringRef getArgument() const final { return "test-recursive-types" ; } |
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| 25 | StringRef getDescription() const final { |
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| 26 | return "Test support for recursive types" ; |
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| 27 | } |
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| 28 | void runOnOperation() override { |
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| 29 | func::FuncOp func = getOperation(); |
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| 30 | |
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| 31 | // Just make sure recursive types are printed and parsed. |
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| 32 | if (func.getName() == "roundtrip" ) |
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| 33 | return; |
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| 34 | |
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| 35 | // Create a recursive type and print it as a part of a dummy op. |
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| 36 | if (func.getName() == "create" ) { |
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| 37 | if (failed(result: createIRWithTypes())) |
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| 38 | signalPassFailure(); |
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| 39 | return; |
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| 40 | } |
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| 41 | |
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| 42 | // Unknown key. |
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| 43 | func.emitOpError() << "unexpected function name" ; |
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| 44 | signalPassFailure(); |
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| 45 | } |
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| 46 | }; |
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| 47 | } // namespace |
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| 48 | |
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| 49 | LogicalResult TestRecursiveTypesPass::createIRWithTypes() { |
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| 50 | MLIRContext *ctx = &getContext(); |
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| 51 | func::FuncOp func = getOperation(); |
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| 52 | auto type = TestRecursiveType::get(ctx, name: "some_long_and_unique_name" ); |
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| 53 | if (failed(type.setBody(type))) |
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| 54 | return func.emitError("expected to be able to set the type body" ); |
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| 55 | |
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| 56 | // Setting the same body is fine. |
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| 57 | if (failed(type.setBody(type))) |
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| 58 | return func.emitError( |
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| 59 | "expected to be able to set the type body to the same value" ); |
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| 60 | |
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| 61 | // Setting a different body is not. |
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| 62 | if (succeeded(type.setBody(IndexType::get(ctx)))) |
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| 63 | return func.emitError( |
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| 64 | "not expected to be able to change function body more than once" ); |
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| 65 | |
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| 66 | // Expecting to get the same type for the same name. |
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| 67 | auto other = TestRecursiveType::get(ctx, name: "some_long_and_unique_name" ); |
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| 68 | if (type != other) |
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| 69 | return func.emitError("expected type name to be the uniquing key" ); |
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| 70 | |
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| 71 | // Create the op to check how the type is printed. |
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| 72 | OperationState state(func.getLoc(), "test.dummy_type_test_op" ); |
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| 73 | state.addTypes(type); |
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| 74 | func.getBody().front().push_front(Operation::create(state)); |
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| 75 | |
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| 76 | return success(); |
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| 77 | } |
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| 78 | |
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| 79 | namespace mlir { |
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| 80 | namespace test { |
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| 81 | |
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| 82 | void registerTestRecursiveTypesPass() { |
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| 83 | PassRegistration<TestRecursiveTypesPass>(); |
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| 84 | } |
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| 85 | |
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| 86 | } // namespace test |
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| 87 | } // namespace mlir |
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| 88 | |
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