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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
//===-- xray-graph-diff.h - XRay Graph Diff Renderer ------------*- C++ -*-===//
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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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//
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// Generate a DOT file to represent the difference between the function call
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// graph of two differnent traces.
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//
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_GRAPH_DIFF_H
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#define XRAY_GRAPH_DIFF_H
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#include "xray-graph.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/XRay/Graph.h"
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namespace llvm {
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namespace xray {
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// This class creates a graph representing the difference between two
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// xray-graphs And allows you to print it to a dot file, with optional color
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// coding.
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class GraphDiffRenderer {
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static const int N = 2;
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public:
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using StatType = GraphRenderer::StatType;
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using TimeStat = GraphRenderer::TimeStat;
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using GREdgeValueType = GraphRenderer::GraphT::EdgeValueType;
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using GRVertexValueType = GraphRenderer::GraphT::VertexValueType;
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struct EdgeAttribute {
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std::array<const GREdgeValueType *, N> CorrEdgePtr = {};
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};
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struct VertexAttribute {
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std::array<const GRVertexValueType *, N> CorrVertexPtr = {};
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};
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using GraphT = Graph<VertexAttribute, EdgeAttribute, StringRef>;
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class Factory {
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std::array<std::reference_wrapper<const GraphRenderer::GraphT>, N> G;
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public:
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template <typename... Ts> Factory(Ts &... Args) : G{{Args...}} {}
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Expected<GraphDiffRenderer> getGraphDiffRenderer();
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};
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private:
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GraphT G;
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GraphDiffRenderer() = default;
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public:
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void exportGraphAsDOT(raw_ostream &OS, StatType EdgeLabel = StatType::NONE,
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StatType EdgeColor = StatType::NONE,
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StatType VertexLabel = StatType::NONE,
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StatType VertexColor = StatType::NONE,
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int TruncLen = 40);
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const GraphT &getGraph() { return G; }
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};
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} // namespace xray
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} // namespace llvm
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#endif
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