Print the DAG out more like a DAG in nested format.
llvm-svn: 19422
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 2bd1739..3b4694a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -920,15 +920,31 @@
}
+static void DumpNodes(SDNode *N, unsigned indent) {
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
+ if (N->getOperand(i).Val->hasOneUse())
+ DumpNodes(N->getOperand(i).Val, indent+2);
+ else
+ std::cerr << "\n" << std::string(indent+2, ' ')
+ << (void*)N->getOperand(i).Val << ": <multiple use>";
+
+
+ std::cerr << "\n" << std::string(indent, ' ');
+ N->dump();
+}
+
void SelectionDAG::dump() const {
std::cerr << "SelectionDAG has " << AllNodes.size() << " nodes:";
std::vector<SDNode*> Nodes(AllNodes);
std::sort(Nodes.begin(), Nodes.end());
for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
- std::cerr << "\n ";
- Nodes[i]->dump();
+ if (!Nodes[i]->hasOneUse() && Nodes[i] != getRoot().Val)
+ DumpNodes(Nodes[i], 2);
}
+
+ DumpNodes(getRoot().Val, 2);
+
std::cerr << "\n\n";
}