308571074c
This is an artifact from merging MLIR into LLVM, the file headers are now aligned with the rest of the project.
43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
//===- Visitors.cpp - MLIR Visitor Utilities ------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/IR/Visitors.h"
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#include "mlir/IR/Operation.h"
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using namespace mlir;
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/// Walk all of the operations nested under and including the given operations.
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void detail::walkOperations(Operation *op,
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function_ref<void(Operation *op)> callback) {
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// TODO(b/140235992) This walk should be iterative over the operations.
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for (auto ®ion : op->getRegions())
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for (auto &block : region)
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// Early increment here in the case where the operation is erased.
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for (auto &nestedOp : llvm::make_early_inc_range(block))
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walkOperations(&nestedOp, callback);
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callback(op);
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}
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/// Walk all of the operations nested under and including the given operations.
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/// This methods walks operations until an interrupt signal is received.
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WalkResult
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detail::walkOperations(Operation *op,
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function_ref<WalkResult(Operation *op)> callback) {
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// TODO(b/140235992) This walk should be iterative over the operations.
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for (auto ®ion : op->getRegions()) {
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for (auto &block : region) {
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// Early increment here in the case where the operation is erased.
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for (auto &nestedOp : llvm::make_early_inc_range(block))
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if (walkOperations(&nestedOp, callback).wasInterrupted())
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return WalkResult::interrupt();
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}
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}
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return callback(op);
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}
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