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* Print the "return" node in the graphs

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4199 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-16 02:04:36 +00:00
parent 96f5493100
commit eb265cdc90
1 changed files with 18 additions and 1 deletions
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17
lib/Analysis/DataStructure/Printer.cpp
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@ -194,6 +194,23 @@ struct DOTGraphTraits<DSGraph*> : public DefaultDOTGraphTraits {
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.
///
static void addCustomGraphFeatures(DSGraph *G, GraphWriter<DSGraph*> &GW) {
// Output the returned value pointer...
if (G->getRetNode().getNode() != 0) {
// Output the return node...
GW.emitSimpleNode((void*)1, "plaintext=circle", "returning");
// Add edge from return node to real destination
int RetEdgeDest = G->getRetNode().getOffset();
if (RetEdgeDest == 0) RetEdgeDest = -1;
GW.emitEdge((void*)1, -1, G->getRetNode().getNode(),
RetEdgeDest, "arrowtail=tee,color=gray63");
}
}
};