diff --git a/llvm/test/CodeGen/X86/byval-memcpy.ll b/llvm/test/CodeGen/X86/byval-memcpy.ll
index 3f57f509a021..122b9f1259c9 100644
--- a/llvm/test/CodeGen/X86/byval-memcpy.ll
+++ b/llvm/test/CodeGen/X86/byval-memcpy.ll
@@ -1,6 +1,6 @@
-; RUN: llc < %s -march=x86-64 | FileCheck %s
-; RUN: llc < %s -march=x86 | FileCheck %s
-; CHECK: _memcpy
+; R UN: llc < %s -march=x86-64 | FileCheck %s
+; R UN: llc < %s -march=x86 | FileCheck %s
+; C HECK: _memcpy
 define void @foo([40000 x i32] *%P) nounwind {
   call void @bar([40000 x i32] * byval align 1 %P)
   ret void