//
//===----------------------------------------------------------------------===//
-#include "llvm/Analysis/DataStructure.h"
-#include "llvm/Analysis/DSGraph.h"
-#include "llvm/Analysis/DSGraphTraits.h"
+#include "llvm/Analysis/DataStructure/DataStructure.h"
+#include "llvm/Analysis/DataStructure/EquivClassGraphs.h"
+#include "llvm/Analysis/DataStructure/DSGraph.h"
+#include "llvm/Analysis/DataStructure/DSGraphTraits.h"
#include "llvm/Module.h"
#include "llvm/Constants.h"
#include "llvm/Assembly/Writer.h"
-#include "Support/CommandLine.h"
-#include "Support/GraphWriter.h"
-#include "Support/Statistic.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/GraphWriter.h"
+#include "llvm/ADT/Statistic.h"
#include <fstream>
#include <sstream>
-
-namespace llvm {
+using namespace llvm;
// OnlyPrintMain - The DataStructure printer exposes this option to allow
// printing of only the graph for "main".
//
namespace {
cl::opt<bool> OnlyPrintMain("only-print-main-ds", cl::ReallyHidden);
- Statistic<> MaxGraphSize ("dsnode", "Maximum graph size");
- Statistic<> NumFoldedNodes ("dsnode", "Number of folded nodes (in final graph)");
+ cl::opt<bool> DontPrintAnything("dont-print-ds", cl::ReallyHidden);
+ Statistic<> MaxGraphSize ("dsa", "Maximum graph size");
+ Statistic<> NumFoldedNodes ("dsa", "Number of folded nodes (in final graph)");
}
void DSNode::dump() const { print(std::cerr, 0); }
static std::string getCaption(const DSNode *N, const DSGraph *G) {
std::stringstream OS;
Module *M = 0;
+
+ if (!G) G = N->getParentGraph();
+
// Get the module from ONE of the functions in the graph it is available.
- if (G && !G->getReturnNodes().empty())
- M = G->getReturnNodes().begin()->first->getParent();
+ if (G && G->retnodes_begin() != G->retnodes_end())
+ M = G->retnodes_begin()->first->getParent();
+ if (M == 0 && G) {
+ // If there is a global in the graph, we can use it to find the module.
+ const DSScalarMap &SM = G->getScalarMap();
+ if (SM.global_begin() != SM.global_end())
+ M = (*SM.global_begin())->getParent();
+ }
if (N->isNodeCompletelyFolded())
OS << "COLLAPSED";
return OS.str();
}
+namespace llvm {
template<>
struct DOTGraphTraits<const DSGraph*> : public DefaultDOTGraphTraits {
static std::string getGraphName(const DSGraph *G) {
}
}
- static const char *getGraphProperties(const DSGraph *G) {
- return "\tsize=\"10,7.5\";\n"
- "\trotate=\"90\";\n";
- }
-
static std::string getNodeLabel(const DSNode *Node, const DSGraph *Graph) {
return getCaption(Node, Graph);
}
static std::string getNodeAttributes(const DSNode *N) {
- return "shape=Mrecord";//fontname=Courier";
+ return "shape=Mrecord";
+ }
+
+ static bool edgeTargetsEdgeSource(const void *Node,
+ DSNode::const_iterator I) {
+ unsigned O = I.getNode()->getLink(I.getOffset()).getOffset();
+ return (O >> DS::PointerShift) != 0;
+ }
+
+ static DSNode::const_iterator getEdgeTarget(const DSNode *Node,
+ DSNode::const_iterator I) {
+ unsigned O = I.getNode()->getLink(I.getOffset()).getOffset();
+ unsigned LinkNo = O >> DS::PointerShift;
+ const DSNode *N = *I;
+ DSNode::const_iterator R = N->begin();
+ for (; LinkNo; --LinkNo)
+ ++R;
+ return R;
}
+
/// addCustomGraphFeatures - Use this graph writing hook to emit call nodes
/// and the return node.
static void addCustomGraphFeatures(const DSGraph *G,
GraphWriter<const DSGraph*> &GW) {
Module *CurMod = 0;
- if (!G->getReturnNodes().empty())
- CurMod = G->getReturnNodes().begin()->first->getParent();
+ if (G->retnodes_begin() != G->retnodes_end())
+ CurMod = G->retnodes_begin()->first->getParent();
+ else {
+ // If there is a global in the graph, we can use it to find the module.
+ const DSScalarMap &SM = G->getScalarMap();
+ if (SM.global_begin() != SM.global_end())
+ CurMod = (*SM.global_begin())->getParent();
+ }
+
// Add scalar nodes to the graph...
const DSGraph::ScalarMapTy &VM = G->getScalarMap();
for (DSGraph::ScalarMapTy::const_iterator I = VM.begin(); I != VM.end();++I)
- if (!isa<GlobalValue>(I->first) && !isa<ConstantPointerRef>(I->first)) {
+ if (!isa<GlobalValue>(I->first)) {
std::stringstream OS;
WriteAsOperand(OS, I->first, false, true, CurMod);
GW.emitSimpleNode(I->first, "", OS.str());
// Add edge from return node to real destination
+ DSNode *DestNode = I->second.getNode();
int EdgeDest = I->second.getOffset() >> DS::PointerShift;
if (EdgeDest == 0) EdgeDest = -1;
- GW.emitEdge(I->first, -1, I->second.getNode(),
+ GW.emitEdge(I->first, -1, DestNode,
EdgeDest, "arrowtail=tee,color=gray63");
}
// Output the returned value pointer...
- const DSGraph::ReturnNodesTy &RetNodes = G->getReturnNodes();
- for (DSGraph::ReturnNodesTy::const_iterator I = RetNodes.begin(),
- E = RetNodes.end(); I != E; ++I)
+ for (DSGraph::retnodes_iterator I = G->retnodes_begin(),
+ E = G->retnodes_end(); I != E; ++I)
if (I->second.getNode()) {
std::string Label;
- if (RetNodes.size() == 1)
+ if (G->getReturnNodes().size() == 1)
Label = "returning";
else
Label = I->first->getName() + " ret node";
GW.emitSimpleNode((void*)I->first, "plaintext=circle", Label);
// Add edge from return node to real destination
+ DSNode *RetNode = I->second.getNode();
int RetEdgeDest = I->second.getOffset() >> DS::PointerShift;;
if (RetEdgeDest == 0) RetEdgeDest = -1;
- GW.emitEdge((void*)I->first, -1, I->second.getNode(),
+ GW.emitEdge((void*)I->first, -1, RetNode,
RetEdgeDest, "arrowtail=tee,color=gray63");
}
// Output all of the call nodes...
- const std::vector<DSCallSite> &FCs =
+ const std::list<DSCallSite> &FCs =
G->shouldPrintAuxCalls() ? G->getAuxFunctionCalls()
: G->getFunctionCalls();
- for (unsigned i = 0, e = FCs.size(); i != e; ++i) {
- const DSCallSite &Call = FCs[i];
+ for (std::list<DSCallSite>::const_iterator I = FCs.begin(), E = FCs.end();
+ I != E; ++I) {
+ const DSCallSite &Call = *I;
std::vector<std::string> EdgeSourceCaptions(Call.getNumPtrArgs()+2);
EdgeSourceCaptions[0] = "r";
if (Call.isDirectCall())
}
}
};
+} // end namespace llvm
void DSNode::print(std::ostream &O, const DSGraph *G) const {
GraphWriter<const DSGraph *> W(O, G);
}
print(F);
F.close();
- if (system("dot -Tps /tmp/tempgraph.dot > /tmp/tempgraph.ps"))
+ if (system("dot -Tps -Gsize=10,7.5 -Grotate=90 /tmp/tempgraph.dot > /tmp/tempgraph.ps"))
std::cerr << "Error running dot: 'dot' not in path?\n";
system("gv /tmp/tempgraph.ps");
system("rm /tmp/tempgraph.dot /tmp/tempgraph.ps");
Gr.getAuxFunctionCalls().size() : Gr.getFunctionCalls().size();
TotalCallNodes += NumCalls;
- if (I->getName() == "main" || !OnlyPrintMain)
- Gr.writeGraphToFile(O, Prefix+I->getName());
- else {
+ if (I->getName() == "main" || !OnlyPrintMain) {
+ Function *SCCFn = Gr.retnodes_begin()->first;
+ if (&*I == SCCFn)
+ Gr.writeGraphToFile(O, Prefix+I->getName());
+ else
+ O << "Didn't write '" << Prefix+I->getName()
+ << ".dot' - Graph already emitted to '" << Prefix+SCCFn->getName()
+ << "\n";
+ } else {
O << "Skipped Writing '" << Prefix+I->getName() << ".dot'... ["
<< Gr.getGraphSize() << "+" << NumCalls << "]\n";
}
- if (MaxGraphSize < Gr.getNodes().size())
- MaxGraphSize = Gr.getNodes().size();
- for (unsigned i = 0, e = Gr.getNodes().size(); i != e; ++i)
- if (Gr.getNodes()[i]->isNodeCompletelyFolded())
+ unsigned GraphSize = Gr.getGraphSize();
+ if (MaxGraphSize < GraphSize) MaxGraphSize = GraphSize;
+
+ for (DSGraph::node_iterator NI = Gr.node_begin(), E = Gr.node_end();
+ NI != E; ++NI)
+ if ((*NI)->isNodeCompletelyFolded())
++NumFoldedNodes;
}
// print - Print out the analysis results...
void LocalDataStructures::print(std::ostream &O, const Module *M) const {
+ if (DontPrintAnything) return;
printCollection(*this, O, M, "ds.");
}
void BUDataStructures::print(std::ostream &O, const Module *M) const {
+ if (DontPrintAnything) return;
printCollection(*this, O, M, "bu.");
}
void TDDataStructures::print(std::ostream &O, const Module *M) const {
+ if (DontPrintAnything) return;
printCollection(*this, O, M, "td.");
}
-} // End llvm namespace
+void CompleteBUDataStructures::print(std::ostream &O, const Module *M) const {
+ if (DontPrintAnything) return;
+ printCollection(*this, O, M, "cbu.");
+}
+
+
+void EquivClassGraphs::print(std::ostream &O, const Module *M) const {
+ if (DontPrintAnything) return;
+ printCollection(*this, O, M, "eq.");
+}
+
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