Add new calling convention for WebKit Java Script.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 74c0ea4..6613652 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -1349,6 +1349,7 @@
 ///   ::= 'spir_kernel'
 ///   ::= 'x86_64_sysvcc'
 ///   ::= 'x86_64_win64cc'
+///   ::= 'webkit_jscc'
 ///   ::= 'cc' UINT
 ///
 bool LLParser::ParseOptionalCallingConv(CallingConv::ID &CC) {
@@ -1371,6 +1372,7 @@
   case lltok::kw_intel_ocl_bicc: CC = CallingConv::Intel_OCL_BI; break;
   case lltok::kw_x86_64_sysvcc:  CC = CallingConv::X86_64_SysV; break;
   case lltok::kw_x86_64_win64cc: CC = CallingConv::X86_64_Win64; break;
+  case lltok::kw_webkit_jscc:    CC = CallingConv::WebKit_JS; break;
   case lltok::kw_cc: {
       unsigned ArbitraryCC;
       Lex.Lex();