Allow 0 as an order number. Don't assign an order to formal arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91920 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SDNodeOrdering.h b/lib/CodeGen/SelectionDAG/SDNodeOrdering.h
index 264753b..f88b26d 100644
--- a/lib/CodeGen/SelectionDAG/SDNodeOrdering.h
+++ b/lib/CodeGen/SelectionDAG/SDNodeOrdering.h
@@ -34,7 +34,6 @@
SDNodeOrdering() {}
void add(const SDNode *Node, unsigned O) {
- assert(O && "Invalid ordering!");
OrderMap[Node] = O;
}
void remove(const SDNode *Node) {
@@ -46,9 +45,7 @@
OrderMap.clear();
}
unsigned getOrder(const SDNode *Node) {
- unsigned Order = OrderMap[Node];
- assert(Order && "Node isn't in ordering map!");
- return Order;
+ return OrderMap[Node];
}
};