| 1 | //===- TestPrintInvalid.cpp - Test printing invalid ops -------------------===// |
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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 | // This pass creates and prints to the standard output an invalid operation and |
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| 10 | // a valid operation. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "mlir/Dialect/Func/IR/FuncOps.h" |
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| 15 | #include "mlir/IR/BuiltinOps.h" |
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| 16 | #include "mlir/Pass/Pass.h" |
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| 17 | #include "llvm/Support/raw_ostream.h" |
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| 18 | |
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| 19 | using namespace mlir; |
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| 20 | |
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| 21 | namespace { |
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| 22 | struct TestPrintInvalidPass |
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| 23 | : public PassWrapper<TestPrintInvalidPass, OperationPass<ModuleOp>> { |
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| 24 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestPrintInvalidPass) |
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| 25 | |
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| 26 | StringRef getArgument() const final { return "test-print-invalid" ; } |
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| 27 | StringRef getDescription() const final { |
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| 28 | return "Test printing invalid ops." ; |
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| 29 | } |
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| 30 | void getDependentDialects(DialectRegistry ®istry) const override { |
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| 31 | registry.insert<func::FuncDialect>(); |
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| 32 | } |
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| 33 | |
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| 34 | void runOnOperation() override { |
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| 35 | Location loc = getOperation().getLoc(); |
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| 36 | OpBuilder builder(getOperation().getBodyRegion()); |
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| 37 | auto funcOp = builder.create<func::FuncOp>( |
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| 38 | loc, "test" , FunctionType::get(getOperation().getContext(), {}, {})); |
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| 39 | funcOp.addEntryBlock(); |
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| 40 | // The created function is invalid because there is no return op. |
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| 41 | llvm::outs() << "Invalid operation:\n" << funcOp << "\n" ; |
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| 42 | builder.setInsertionPointToEnd(&funcOp.getBody().front()); |
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| 43 | builder.create<func::ReturnOp>(loc); |
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| 44 | // Now this function is valid. |
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| 45 | llvm::outs() << "Valid operation:\n" << funcOp << "\n" ; |
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| 46 | funcOp.erase(); |
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| 47 | } |
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| 48 | }; |
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| 49 | } // namespace |
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| 50 | |
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| 51 | namespace mlir { |
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| 52 | void registerTestPrintInvalidPass() { |
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| 53 | PassRegistration<TestPrintInvalidPass>{}; |
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| 54 | } |
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| 55 | } // namespace mlir |
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| 56 | |
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