vendor/llvm/llvm-release_360-r226102

1 files changed, 9 insertions, 2 deletions

diff --git a/include/llvm/IR/CallingConv.h b/include/llvm/IR/CallingConv.h
index 1eaf4f7f469f..9872e6ec794d 100644
--- a/include/llvm/IR/CallingConv.h
+++ b/include/llvm/IR/CallingConv.h
@@ -20,10 +20,13 @@ namespace llvm {
 /// the well-known calling conventions.
 ///
 namespace CallingConv {
+  /// LLVM IR allows to use arbitrary numbers as calling convention identifiers.
+  typedef unsigned ID;
+
   /// A set of enums which specify the assigned numeric values for known llvm
   /// calling conventions.
   /// @brief LLVM Calling Convention Representation
-  enum ID {
+  enum {
     /// C - The default llvm calling convention, compatible with C.  This
     /// convention is the only calling convention that supports varargs calls.
     /// As with typical C calling conventions, the callee/caller have to
@@ -137,7 +140,11 @@ namespace CallingConv {
     /// convention differs from the more common \c X86_64_SysV convention
     /// in a number of ways, most notably in that XMM registers used to pass
     /// arguments are shadowed by GPRs, and vice versa.
-    X86_64_Win64 = 79
+    X86_64_Win64 = 79,
+
+    /// \brief MSVC calling convention that passes vectors and vector aggregates
+    /// in SSE registers.
+    X86_VectorCall = 80
   };
 } // End CallingConv namespace