| 1 | //===- TestBlockInLoop.cpp - Pass to test mlir::blockIsInLoop -------------===// |
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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/Dialect/Func/IR/FuncOps.h" |
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| 10 | #include "mlir/IR/BuiltinOps.h" |
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| 11 | #include "mlir/Interfaces/LoopLikeInterface.h" |
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| 12 | #include "mlir/Pass/Pass.h" |
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| 13 | #include "llvm/Support/raw_ostream.h" |
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| 14 | |
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| 15 | using namespace mlir; |
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| 16 | |
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| 17 | namespace { |
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| 18 | /// This is a test pass that tests Blocks's isInLoop method by checking if each |
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| 19 | /// block in a function is in a loop and outputing if it is |
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| 20 | struct IsInLoopPass |
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| 21 | : public PassWrapper<IsInLoopPass, OperationPass<func::FuncOp>> { |
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| 22 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(IsInLoopPass) |
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| 23 | |
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| 24 | StringRef getArgument() const final { return "test-block-is-in-loop" ; } |
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| 25 | StringRef getDescription() const final { |
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| 26 | return "Test mlir::blockIsInLoop()" ; |
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| 27 | } |
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| 28 | |
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| 29 | void runOnOperation() override { |
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| 30 | mlir::func::FuncOp func = getOperation(); |
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| 31 | func.walk([](mlir::Block *block) { |
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| 32 | llvm::outs() << "Block is " ; |
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| 33 | if (LoopLikeOpInterface::blockIsInLoop(block)) |
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| 34 | llvm::outs() << "in a loop\n" ; |
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| 35 | else |
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| 36 | llvm::outs() << "not in a loop\n" ; |
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| 37 | block->print(os&: llvm::outs()); |
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| 38 | llvm::outs() << "\n" ; |
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| 39 | }); |
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| 40 | } |
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| 41 | }; |
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| 42 | |
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| 43 | } // namespace |
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| 44 | |
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| 45 | namespace mlir { |
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| 46 | void registerLoopLikeInterfaceTestPasses() { PassRegistration<IsInLoopPass>(); } |
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| 47 | } // namespace mlir |
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| 48 | |
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