static void addCustomGraphFeatures(SelectionDAG *G,
GraphWriter<SelectionDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
if (G->getRoot().getNode())
GW.emitEdge(0, -1, G->getRoot().getNode(), G->getRoot().getResNo(),
"color=blue,style=dashed");
}
void ScheduleDAGSDNodes::getCustomGraphFeatures(GraphWriter<ScheduleDAG*> &GW) const {
if (DAG) {
// Draw a special "GraphRoot" node to indicate the root of the graph.
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
const SDNode *N = DAG->getRoot().getNode();
if (N && N->getNodeId() != -1)
GW.emitEdge(0, -1, &SUnits[N->getNodeId()], -1,
"color=blue,style=dashed");
}
}
static void addCustomGraphFeatures(SelectionDAG *G,
GraphWriter<SelectionDAG*> &GW) {
GW.emitSimpleNode(0, "plaintext=circle", "GraphRoot");
if (G->getRoot().Val)
GW.emitEdge(0, -1, G->getRoot().Val, -1, "");
}
/// addCustomGraphFeatures - Use this graph writing hook to emit call nodes
/// and the return node.
///
static void addCustomGraphFeatures(const DSGraph *G,
GraphWriter<const DSGraph*> &GW) {
const Module *CurMod = 0;
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();
}
if (!LimitPrint) {
// 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)) {
std::string OS_str;
llvm::raw_string_ostream OS(OS_str);
WriteAsOperand(OS, I->first, false, 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();
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(I->first, -1, DestNode,
EdgeDest, "arrowtail=tee,color=gray63");
}
}
// Output the returned value pointer...
for (DSGraph::retnodes_iterator I = G->retnodes_begin(),
E = G->retnodes_end(); I != E; ++I)
if (I->second.getNode()) {
std::string Label;
if (G->getReturnNodes().size() == 1)
Label = "returning";
else
Label = I->first->getName().str() + " ret node";
// Output the return node...
GW.emitSimpleNode(const_cast<Function*>(I->first), "plaintext=circle", Label);
// Add edge from return node to real destination
DSNode *RetNode = I->second.getNode();
int RetEdgeDest = I->second.getOffset();
if (RetEdgeDest == 0) RetEdgeDest = -1;
GW.emitEdge(const_cast<Function*>(I->first), -1, RetNode,
RetEdgeDest, "arrowtail=tee,color=gray63");
}
// Output all of the call nodes...
const DSGraph::FunctionListTy &FCs =
G->shouldUseAuxCalls() ? G->getAuxFunctionCalls()
: G->getFunctionCalls();
for (DSGraph::FunctionListTy::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())
EdgeSourceCaptions[1] = Call.getCalleeFunc()->getName();
else
EdgeSourceCaptions[1] = "f";
GW.emitSimpleNode(&Call, "shape=record", "call", Call.getNumPtrArgs()+2,
&EdgeSourceCaptions);
if (DSNode *N = Call.getRetVal().getNode()) {
int EdgeDest = Call.getRetVal().getOffset();
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(&Call, 0, N, EdgeDest, "color=gray63,tailclip=false");
}
// FIXME: visualize the VANode?
// Print out the callee...
if (Call.isIndirectCall()) {
DSNode *N = Call.getCalleeNode();
assert(N && "Null call site callee node!");
GW.emitEdge(&Call, 1, N, -1, "color=gray63,tailclip=false");
}
for (unsigned j = 0, e = Call.getNumPtrArgs(); j != e; ++j)
if (DSNode *N = Call.getPtrArg(j).getNode()) {
int EdgeDest = Call.getPtrArg(j).getOffset();
if (EdgeDest == 0) EdgeDest = -1;
GW.emitEdge(&Call, j+2, N, EdgeDest, "color=gray63,tailclip=false");
}
}
}