initial support for __[u]int128_t, which should be basically
compatible with VC++ and GCC.  The codegen/mangling angle hasn't
been fully ironed out yet.  Note that we accept int128_t even in
32-bit mode, unlike gcc.

llvm-svn: 70464
diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 3a7fe9c..e6d643f 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -508,12 +508,14 @@
   case BuiltinType::UInt: Out << 'j'; break;
   case BuiltinType::ULong: Out << 'm'; break;
   case BuiltinType::ULongLong: Out << 'y'; break;
+  case BuiltinType::UInt128: Out << 'o'; break;
   case BuiltinType::SChar: Out << 'a'; break;
   case BuiltinType::WChar: Out << 'w'; break;
   case BuiltinType::Short: Out << 's'; break;
   case BuiltinType::Int: Out << 'i'; break;
   case BuiltinType::Long: Out << 'l'; break;
   case BuiltinType::LongLong: Out << 'x'; break;
+  case BuiltinType::Int128: Out << 'n'; break;
   case BuiltinType::Float: Out << 'f'; break;
   case BuiltinType::Double: Out << 'd'; break;
   case BuiltinType::LongDouble: Out << 'e'; break;