diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 8a7268d..e142ab3 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -2212,6 +2212,7 @@
   case G_CTTZ:
   case G_CTTZ_ZERO_UNDEF:
   case G_CTPOP:
+  case G_FCOPYSIGN:
     return fewerElementsVectorMultiEltType(MI, TypeIdx, NarrowTy);
   case G_ZEXT:
   case G_SEXT: