HHVM calling conventions.

[oota-llvm.git] / include / llvm / IR / CallingConv.h

diff --git a/include/llvm/IR/CallingConv.h b/include/llvm/IR/CallingConv.h
index f7a45afc9ca6fac00de1d4095dd2e302efc07b42..5c82de62dfd1a320351e8f856923b64c8e0a8f4f 100644 (file)
--- a/include/llvm/IR/CallingConv.h
+++ b/include/llvm/IR/CallingConv.h
@@ -147,7 +147,16 @@ namespace CallingConv {
 
     /// \brief MSVC calling convention that passes vectors and vector aggregates
     /// in SSE registers.
-    X86_VectorCall = 80
+    X86_VectorCall = 80,
+
+    /// \brief Calling convention used by HipHop Virtual Machine (HHVM) to
+    /// perform calls to and from translation cache, and for calling PHP
+    /// functions.
+    /// HHVM calling convention supports tail/sibling call elimination.
+    HHVM = 81,
+
+    /// \brief HHVM calling convention for invoking C/C++ helpers.
+    HHVM_C = 82
   };
 } // End CallingConv namespace