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97b98619e8
This Cl updates the flow node tests to compare against a disassembled output instead of explicit expect statements. This makes it easier to see the structure of the IR and to determine any changes. Bug: tint:1718 Change-Id: I5b8ab42ada4ba902e8937099c7058a39533f2010 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/116548 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright 2022 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TINT_IR_FLOW_NODE_H_
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#define SRC_TINT_IR_FLOW_NODE_H_
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#include "src/tint/castable.h"
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#include "src/tint/utils/vector.h"
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namespace tint::ir {
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/// Base class for flow nodes
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class FlowNode : public Castable<FlowNode> {
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public:
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~FlowNode() override;
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/// The list of flow nodes which branch into this node. This list maybe empty for several
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/// reasons:
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/// - Node is a start node
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/// - Node is a merge target outside control flow (if that returns in both branches)
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/// - Node is a continue target outside control flow (loop that returns)
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utils::Vector<FlowNode*, 2> inbound_branches;
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/// @returns true if this node has no inbound branches
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bool IsDisconnected() const { return inbound_branches.IsEmpty(); }
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protected:
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/// Constructor
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FlowNode();
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};
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} // namespace tint::ir
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#endif // SRC_TINT_IR_FLOW_NODE_H_
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