1 files changed, 7 insertions, 4 deletions
diff --git a/include/clang/Basic/Specifiers.h b/include/clang/Basic/Specifiers.h
index f89567356be5..a968d00d2089 100644
--- a/include/clang/Basic/Specifiers.h
+++ b/include/clang/Basic/Specifiers.h
@@ -203,6 +203,7 @@ namespace clang {
     CC_X86StdCall,  // __attribute__((stdcall))
     CC_X86FastCall, // __attribute__((fastcall))
     CC_X86ThisCall, // __attribute__((thiscall))
+    CC_X86VectorCall, // __attribute__((vectorcall))
     CC_X86Pascal,   // __attribute__((pascal))
     CC_X86_64Win64, // __attribute__((ms_abi))
     CC_X86_64SysV,  // __attribute__((sysv_abi))
@@ -212,16 +213,18 @@ namespace clang {
     CC_IntelOclBicc // __attribute__((intel_ocl_bicc))
   };
 
-  /// \brief Checks whether the given calling convention is callee-cleanup.
-  inline bool isCalleeCleanup(CallingConv CC) {
+  /// \brief Checks whether the given calling convention supports variadic
+  /// calls. Unprototyped calls also use the variadic call rules.
+  inline bool supportsVariadicCall(CallingConv CC) {
     switch (CC) {
     case CC_X86StdCall:
     case CC_X86FastCall:
     case CC_X86ThisCall:
     case CC_X86Pascal:
-      return true;
-    default:
+    case CC_X86VectorCall:
       return false;
+    default:
+      return true;
     }
   }