diff --git a/llvm/include/llvm/IR/InlineAsm.h b/llvm/include/llvm/IR/InlineAsm.h
index f73666fa8dc08..8a129337f5926 100644
--- a/llvm/include/llvm/IR/InlineAsm.h
+++ b/llvm/include/llvm/IR/InlineAsm.h
@@ -457,6 +457,8 @@ class InlineAsm final : public Value {
       return "o";
     case InlineAsm::Constraint_v:
       return "v";
+    case InlineAsm::Constraint_A:
+      return "A";
     case InlineAsm::Constraint_Q:
       return "Q";
     case InlineAsm::Constraint_R: