- DAG.ReplaceAllUsesOfValueWith(From, To, &NUL);
-
- // The old node may still be present in a map like ExpandedIntegers or
- // PromotedIntegers. Inform maps about the replacement.
- ReplacedValues[From] = To;
-
- // Process the list of nodes that need to be reanalyzed.
- while (!NodesToAnalyze.empty()) {
- SDNode *N = NodesToAnalyze.back();
- NodesToAnalyze.pop_back();
- if (N->getNodeId() != DAGTypeLegalizer::NewNode)
- // The node was analyzed while reanalyzing an earlier node - it is safe to
- // skip. Note that this is not a morphing node - otherwise it would still
- // be marked NewNode.
- continue;
+ do {
+ DAG.ReplaceAllUsesOfValueWith(From, To, &NUL);
+
+ // The old node may still be present in a map like ExpandedIntegers or
+ // PromotedIntegers. Inform maps about the replacement.
+ ReplacedValues[From] = To;
+
+ // Process the list of nodes that need to be reanalyzed.
+ while (!NodesToAnalyze.empty()) {
+ SDNode *N = NodesToAnalyze.back();
+ NodesToAnalyze.pop_back();
+ if (N->getNodeId() != DAGTypeLegalizer::NewNode)
+ // The node was analyzed while reanalyzing an earlier node - it is safe
+ // to skip. Note that this is not a morphing node - otherwise it would
+ // still be marked NewNode.
+ continue;