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Add edge source labels to SelectionDAG graphs, now that the graph printing

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framework omits differentiated edge sources in the case where the labels
are empty strings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90254 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-12-01 19:20:00 +00:00
parent 0baf2a302f
commit 5b69fe767c
2 changed files with 10 additions and 0 deletions
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5
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -2397,6 +2397,11 @@ public:
SDNodeIterator operator++(int) { // Postincrement
SDNodeIterator tmp = *this; ++*this; return tmp;
}
size_t operator-(SDNodeIterator Other) const {
assert(Node == Other.Node &&
"Cannot compare iterators of two different nodes!");
return Operand - Other.Operand;
}
static SDNodeIterator begin(SDNode *N) { return SDNodeIterator(N, 0); }
static SDNodeIterator end (SDNode *N) {