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Speed up DfgGraph::addGraph

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Append whole lists in one go, rather than going item by item.
This commit is contained in:
Geza Lore
2022-10-08 12:46:02 +01:00
parent c033a0d7c8
commit ff49f797e5
3 changed files with 35 additions and 4 deletions
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src/V3Dfg.cpp
+16 -4
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@@ -40,10 +40,22 @@ DfgGraph::~DfgGraph() {
}
void DfgGraph::addGraph(DfgGraph& other) {
other.forEachVertex([&](DfgVertex& vtx) {
other.removeVertex(vtx);
this->addVertex(vtx);
});
m_size += other.m_size;
other.m_size = 0;
const auto moveVertexList = [this](V3List<DfgVertex*>& src, V3List<DfgVertex*>& dst) {
if (DfgVertex* vtxp = src.begin()) {
vtxp->m_verticesEnt.moveAppend(src, dst, vtxp);
do {
vtxp->m_graphp = this;
vtxp = vtxp->verticesNext();
} while (vtxp);
}
};
moveVertexList(other.m_varVertices, m_varVertices);
moveVertexList(other.m_constVertices, m_constVertices);
moveVertexList(other.m_opVertices, m_opVertices);
}
std::vector<std::unique_ptr<DfgGraph>> DfgGraph::splitIntoComponents(std::string label) {