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Add an ability to choose between different edges based on edge properties.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50732 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -25,6 +25,31 @@ using namespace llvmcc;
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extern cl::list<std::string> InputFilenames;
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extern cl::opt<std::string> OutputFilename;
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// Choose one of the edges based on command-line options.
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const Edge* Node::ChooseEdge() const {
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const Edge* DefaultEdge = 0;
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for (const_iterator B = EdgesBegin(), E = EdgesEnd();
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B != E; ++B) {
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const Edge* E = (*B).getPtr();
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if (E->isDefault())
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if (!DefaultEdge)
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DefaultEdge = E;
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else
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throw std::runtime_error("Node " + Name() +
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": multiple default edges found!"
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"Most probably a specification error.");
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if (E->isEnabled())
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return E;
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}
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if (DefaultEdge)
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return DefaultEdge;
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else
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throw std::runtime_error("Node " + Name() +
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": no suitable edge found! "
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"Most probably a specification error.");
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}
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CompilationGraph::CompilationGraph() {
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NodesMap["root"] = Node(this);
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}
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@ -84,8 +109,8 @@ void CompilationGraph::insertEdge(const std::string& A, Edge* E) {
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}
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}
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// TOFIX: support edge properties.
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// TOFIX: support more interesting graph topologies.
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// TOFIX: support more interesting graph topologies. We will need to
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// do topological sorting to process multiple Join nodes correctly.
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int CompilationGraph::Build (const sys::Path& tempDir) const {
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PathVector JoinList;
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const Tool* JoinTool = 0;
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@ -102,7 +127,7 @@ int CompilationGraph::Build (const sys::Path& tempDir) const {
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throw std::runtime_error("Tool names vector is empty!");
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const Node* N = &getNode(*TV.begin());
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// Pass it through the chain until we bump into a Join node or a
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// Pass file through the chain until we bump into a Join node or a
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// node that says that it is the last.
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bool Last = false;
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while(!Last) {
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@ -135,7 +160,7 @@ int CompilationGraph::Build (const sys::Path& tempDir) const {
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if (CurTool->GenerateAction(In, Out).Execute() != 0)
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throw std::runtime_error("Tool returned error code!");
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N = &getNode((*N->EdgesBegin())->ToolName());
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N = &getNode(N->ChooseEdge()->ToolName());
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In = Out; Out.clear();
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}
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}
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@ -166,7 +191,7 @@ namespace llvm {
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template<typename GraphType>
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static std::string getNodeLabel(const Node* N, const GraphType&) {
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if (N->ToolPtr)
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return N->ToolPtr->Name();
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return N->Name();
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else
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return "root";
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}
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@ -45,7 +45,7 @@ namespace llvmcc {
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class SimpleEdge : public Edge {
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public:
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SimpleEdge(const std::string& T) : Edge(T) {}
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bool isEnabled() const { return true;}
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bool isEnabled() const { return false;}
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bool isDefault() const { return true;}
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};
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@ -60,12 +60,16 @@ namespace llvmcc {
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Node(CompilationGraph* G, Tool* T) : OwningGraph(G), ToolPtr(T) {}
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bool HasChildren() const { return !OutEdges.empty(); }
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const std::string Name() const { return ToolPtr->Name(); }
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iterator EdgesBegin() { return OutEdges.begin(); }
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const_iterator EdgesBegin() const { return OutEdges.begin(); }
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iterator EdgesEnd() { return OutEdges.end(); }
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const_iterator EdgesEnd() const { return OutEdges.end(); }
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// Choose one of the edges based on command-line options.
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const Edge* ChooseEdge() const;
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// Takes ownership of the object.
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void AddEdge(Edge* E)
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{ OutEdges.push_back(llvm::IntrusiveRefCntPtr<Edge>(E)); }
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@ -26,11 +26,10 @@ def CompilationGraph : CompilationGraph<[
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Edge<llvm_gcc_cpp, llc>,
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Edge<llvm_as, llc>,
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OptionalEdge<llvm_gcc_c, opt, [(switch_on "S")]>,
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OptionalEdge<llvm_gcc_cpp, opt, [(switch_on "S")]>,
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OptionalEdge<llvm_as, opt, [(switch_on "S")]>,
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OptionalEdge<opt, llc, [(and (switch_on "S"), (parameter_equals "O", "V")),
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(element_in_list "P", "E")]>,
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OptionalEdge<llvm_gcc_c, opt, [(switch_on "opt")]>,
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OptionalEdge<llvm_gcc_cpp, opt, [(switch_on "opt")]>,
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OptionalEdge<llvm_as, opt, [(switch_on "opt")]>,
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Edge<opt, llc>,
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Edge<llc, llvm_gcc_assembler>,
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Edge<llvm_gcc_assembler, llvm_gcc_linker>
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@ -38,9 +38,9 @@ def llvm_gcc_cpp : Tool<
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def opt : Tool<
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[(in_language "llvm-bitcode"),
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(out_language "llvm-bitcode"),
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(switch_option "S", (help "Test switch")),
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(parameter_option "O", (help "Test Parameter")),
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(prefix_list_option "P", (help "Test Parameter List")),
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(switch_option "opt", (help "Enable opt")),
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//(parameter_option "O", (help "Test Parameter")),
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//(prefix_list_option "P", (help "Test Parameter List")),
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(output_suffix "bc"),
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(cmd_line "opt $INFILE -o $OUTFILE")
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]>;
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