forked from OSchip/llvm-project
parent
56a850ad06
commit
638b5374d8
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@ -16,55 +16,10 @@
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#include "Support/GraphWriter.h"
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#include "llvm/Pass.h"
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#include "llvm/iTerminators.h"
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#include "llvm/Value.h"
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#include "llvm/Analysis/CallGraph.h"
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#include "llvm/Support/CFG.h"
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#include <sstream>
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#include <fstream>
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//===----------------------------------------------------------------------===//
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// Control Flow Graph Printer
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//===----------------------------------------------------------------------===//
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template<>
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struct DOTGraphTraits<Function*> : public DefaultDOTGraphTraits {
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static std::string getGraphName(Function *F) {
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return "CFG for '" + F->getName() + "' function";
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}
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static std::string getNodeLabel(BasicBlock *Node, Function *Graph) {
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std::ostringstream Out;
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Out << Node;
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std::string OutStr = Out.str();
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if (OutStr[0] == '\n') OutStr.erase(OutStr.begin());
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// Process string output to make it nicer...
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for (unsigned i = 0; i != OutStr.length(); ++i)
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if (OutStr[i] == '\n') { // Left justify
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OutStr[i] = '\\';
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OutStr.insert(OutStr.begin()+i+1, 'l');
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} else if (OutStr[i] == ';') { // Delete comments!
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unsigned Idx = OutStr.find('\n', i+1); // Find end of line
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OutStr.erase(OutStr.begin()+i, OutStr.begin()+Idx);
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--i;
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}
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return OutStr;
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}
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static std::string getNodeAttributes(BasicBlock *N) {
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return "fontname=Courier";
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}
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static std::string getEdgeSourceLabel(BasicBlock *Node, succ_iterator I) {
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// Label source of conditional branches with "T" or "F"
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if (BranchInst *BI = dyn_cast<BranchInst>(Node->getTerminator()))
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if (BI->isConditional())
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return (I == succ_begin(Node)) ? "T" : "F";
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return "";
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}
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};
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template<typename GraphType>
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static void WriteGraphToFile(std::ostream &O, const std::string &GraphName,
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const GraphType >) {
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@ -80,26 +35,6 @@ static void WriteGraphToFile(std::ostream &O, const std::string &GraphName,
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}
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namespace {
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struct CFGPrinter : public FunctionPass {
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virtual bool runOnFunction(Function &Func) {
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WriteGraphToFile(std::cerr, "cfg."+Func.getName(), &Func);
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return false;
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}
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void print(std::ostream &OS) const {}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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};
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RegisterAnalysis<CFGPrinter> P1("print-cfg",
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"Print CFG of function to 'dot' file");
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};
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//===----------------------------------------------------------------------===//
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// Call Graph Printer
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//===----------------------------------------------------------------------===//
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@ -112,7 +47,7 @@ struct DOTGraphTraits<CallGraph*> : public DefaultDOTGraphTraits {
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static std::string getNodeLabel(CallGraphNode *Node, CallGraph *Graph) {
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if (Node->getFunction())
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return Node->getFunction()->getName();
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return ((Value*)Node->getFunction())->getName();
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else
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return "Indirect call node";
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}
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