diff --git a/llvm/test/MC/AsmParser/floating-literals.s b/llvm/test/MC/AsmParser/floating-literals.s
index 0e96571e1aca..d44bb9830c08 100644
--- a/llvm/test/MC/AsmParser/floating-literals.s
+++ b/llvm/test/MC/AsmParser/floating-literals.s
@@ -9,6 +9,9 @@
 # CHECK: .long	2139095040
 .single InFinIty
 
+# CHECK: .long	4286578688
+.single -iNf
+
 # CHECK: .long	2147483647
 .single nAN