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Add a bit of lazy evaluation to PopulateCompilationGraph().
Only the tools that are mentioned in the compilation graph definition are now inserted by PopulateCompilationGraph(). This should cut down plugin loading time a little. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59097 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1595,26 +1595,33 @@ void EmitPopulateCompilationGraph (Record* CompilationGraph,
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{
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ListInit* edges = CompilationGraph->getValueAsListInit("edges");
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// Generate code
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O << "namespace {\n\n";
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O << "void PopulateCompilationGraphLocal(CompilationGraph& G) {\n";
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// Insert vertices
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// Insert vertices.
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// Only tools mentioned in the graph definition are inserted.
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RecordVector Tools = Records.getAllDerivedDefinitions("Tool");
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if (Tools.empty())
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throw std::string("No tool definitions found!");
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llvm::StringSet<> ToolsInGraph;
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for (RecordVector::iterator B = Tools.begin(), E = Tools.end(); B != E; ++B) {
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const std::string& Name = (*B)->getName();
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if (Name != "root")
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O << Indent1 << "G.insertNode(new "
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<< Name << "());\n";
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for (unsigned i = 0; i < edges->size(); ++i) {
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Record* Edge = edges->getElementAsRecord(i);
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Record* A = Edge->getValueAsDef("a");
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Record* B = Edge->getValueAsDef("b");
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if (A->getName() != "root")
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ToolsInGraph.insert(A->getName());
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if (B->getName() != "root")
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ToolsInGraph.insert(B->getName());
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}
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for (llvm::StringSet<>::iterator B = ToolsInGraph.begin(),
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E = ToolsInGraph.end(); B != E; ++B)
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O << Indent1 << "G.insertNode(new " << B->first() << "());\n";
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O << '\n';
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// Insert edges
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// Insert edges.
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for (unsigned i = 0; i < edges->size(); ++i) {
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Record* Edge = edges->getElementAsRecord(i);
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Record* A = Edge->getValueAsDef("a");
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