syntax_data: {"ast_node_type":"other","tokens":[{"end":13,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     //      }
context_before:     //        setLibcallCallingConv(RTLIB::MUL_I64, CallingConv::X86_StdCall);
context_after:     //   The compiler intrinsics should be implemented by compiler-builtins.