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authorDan Gohman <gohman@apple.com>2009-12-01 19:20:00 +0000
committerDan Gohman <gohman@apple.com>2009-12-01 19:20:00 +0000
commit5b69fe767ca0786ecb50e703f2da8ea09de5da7c (patch)
treec31f1859c4d65d980ce12621f697ee7da59a3631 /include/llvm/CodeGen/SelectionDAGNodes.h
parent0baf2a302fe6e130756bf8b3da831547f0b87190 (diff)
Add edge source labels to SelectionDAG graphs, now that the graph printing
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
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGNodes.h')
-rw-r--r--include/llvm/CodeGen/SelectionDAGNodes.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 950fd322da..79dbd73e97 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -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) {