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Dramatically simplify internal DSNode representation, get implementation

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*FULLY OPERATIONAL* and safe.  We are now capable of completely analyzing
at LEAST the Olden benchmarks + 181.mcf


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4562 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-11-06 06:20:27 +00:00
parent 4268c93b00
commit 08db719c4b
9 changed files with 441 additions and 593 deletions
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lib/Analysis/DataStructure/Printer.cpp
+20 -23
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@@ -27,23 +27,25 @@ static string getCaption(const DSNode *N, const DSGraph *G) {
std::stringstream OS;
Module *M = G && &G->getFunction() ? G->getFunction().getParent() : 0;
for (unsigned i = 0, e = N->getTypeEntries().size(); i != e; ++i) {
WriteTypeSymbolic(OS, N->getTypeEntries()[i].Ty, M);
if (N->getTypeEntries()[i].Offset)
OS << "@" << N->getTypeEntries()[i].Offset;
if (N->getTypeEntries()[i].isArray)
if (N->isNodeCompletelyFolded())
OS << "FOLDED";
else {
WriteTypeSymbolic(OS, N->getType().Ty, M);
if (N->getType().isArray)
OS << " array";
}
if (N->NodeType) {
OS << ": ";
if (N->NodeType & DSNode::AllocaNode ) OS << "S";
if (N->NodeType & DSNode::HeapNode ) OS << "H";
if (N->NodeType & DSNode::GlobalNode ) OS << "G";
if (N->NodeType & DSNode::UnknownNode) OS << "U";
if (N->NodeType & DSNode::Incomplete ) OS << "I";
if (N->NodeType & DSNode::Modified ) OS << "M";
if (N->NodeType & DSNode::Read ) OS << "R";
OS << "\n";
}
if (N->NodeType & DSNode::AllocaNode ) OS << "S";
if (N->NodeType & DSNode::HeapNode ) OS << "H";
if (N->NodeType & DSNode::GlobalNode ) OS << "G";
if (N->NodeType & DSNode::UnknownNode) OS << "U";
if (N->NodeType & DSNode::Incomplete ) OS << "I";
if (N->NodeType & DSNode::Modified ) OS << "M";
if (N->NodeType & DSNode::Read ) OS << "R";
for (unsigned i = 0, e = N->getGlobals().size(); i != e; ++i) {
WriteAsOperand(OS, N->getGlobals()[i], false, true, M);
OS << "\n";
@@ -75,11 +77,6 @@ struct DOTGraphTraits<const DSGraph*> : public DefaultDOTGraphTraits {
return "shape=Mrecord";//fontname=Courier";
}
static int getEdgeSourceLabel(const DSNode *Node, DSNode::iterator I) {
assert(Node == I.getNode() && "Iterator not for this node!");
return Node->getMergeMapLabel(I.getOffset());
}
/// addCustomGraphFeatures - Use this graph writing hook to emit call nodes
/// and the return node.
///
@@ -95,7 +92,7 @@ struct DOTGraphTraits<const DSGraph*> : public DefaultDOTGraphTraits {
GW.emitSimpleNode(I->first, "plaintext=circle", OS.str());
// Add edge from return node to real destination
int EdgeDest = I->second.getOffset();
int EdgeDest = I->second.getOffset() >> DS::PointerShift;
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(I->first, -1, I->second.getNode(),
EdgeDest, "arrowtail=tee,color=gray63");
@@ -108,7 +105,7 @@ struct DOTGraphTraits<const DSGraph*> : public DefaultDOTGraphTraits {
GW.emitSimpleNode((void*)1, "plaintext=circle", "returning");
// Add edge from return node to real destination
int RetEdgeDest = G->getRetNode().getOffset();
int RetEdgeDest = G->getRetNode().getOffset() >> DS::PointerShift;;
if (RetEdgeDest == 0) RetEdgeDest = -1;
GW.emitEdge((void*)1, -1, G->getRetNode().getNode(),
RetEdgeDest, "arrowtail=tee,color=gray63");
@@ -121,18 +118,18 @@ struct DOTGraphTraits<const DSGraph*> : public DefaultDOTGraphTraits {
GW.emitSimpleNode(&Call, "shape=record", "call", Call.getNumPtrArgs()+2);
if (DSNode *N = Call.getRetVal().getNode()) {
int EdgeDest = Call.getRetVal().getOffset();
int EdgeDest = Call.getRetVal().getOffset() >> DS::PointerShift;
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(&Call, 0, N, EdgeDest, "color=gray63");
}
if (DSNode *N = Call.getCallee().getNode()) {
int EdgeDest = Call.getCallee().getOffset();
int EdgeDest = Call.getCallee().getOffset() >> DS::PointerShift;
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(&Call, 1, N, EdgeDest, "color=gray63");
}
for (unsigned j = 0, e = Call.getNumPtrArgs(); j != e; ++j)
if (DSNode *N = Call.getPtrArg(j).getNode()) {
int EdgeDest = Call.getPtrArg(j).getOffset();
int EdgeDest = Call.getPtrArg(j).getOffset() >> DS::PointerShift;
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(&Call, j+2, N, EdgeDest, "color=gray63");
}