diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index 595d6891f53..f3845dc8fed 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -598,6 +598,12 @@ void DAGTypeLegalizer::ExpungeNode(SDNode *N) {
     RemapValue(I->second);
   }
 
+  for (DenseMap<SDValue, SDValue>::iterator I = PromotedFloats.begin(),
+       E = PromotedFloats.end(); I != E; ++I) {
+    assert(I->first.getNode() != N);
+    RemapValue(I->second);
+  }
+
   for (DenseMap<SDValue, SDValue>::iterator I = SoftenedFloats.begin(),
        E = SoftenedFloats.end(); I != E; ++I) {
     assert(I->first.getNode() != N);