diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 9814a075d431..02ddf2583e11 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -3467,6 +3467,7 @@ def : Pat<(X86tcret (i32 tglobaladdr:$dst), imm:$off),
 def : Pat<(X86tcret (i32 texternalsym:$dst), imm:$off),
           (TCRETURNdi texternalsym:$dst, imm:$off)>;
 
+// Normal calls, with various flavors of addresses.
 def : Pat<(X86call (i32 tglobaladdr:$dst)),
           (CALLpcrel32 tglobaladdr:$dst)>;
 def : Pat<(X86call (i32 texternalsym:$dst)),