diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 92b6a00..804c080 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2911,6 +2911,8 @@
       case ISD::TRUNCATE:
       case ISD::UINT_TO_FP:
       case ISD::SINT_TO_FP:
+      case ISD::CTLZ:
+      case ISD::CTLZ_ZERO_UNDEF:
       case ISD::CTTZ:
       case ISD::CTTZ_ZERO_UNDEF:
       case ISD::CTPOP: {