+ kw_spir_kernel, kw_spir_func,
+ kw_x86_64_sysvcc, kw_x86_64_win64cc,
+ kw_webkit_jscc, kw_anyregcc,
+ kw_preserve_mostcc, kw_preserve_allcc,
+ kw_ghccc,
+ kw_x86_intrcc,
+ kw_hhvmcc, kw_hhvm_ccc,
+ kw_cxx_fast_tlscc,
+
+ // Attributes:
+ kw_attributes,
+ kw_alwaysinline,
+ kw_argmemonly,
+ kw_sanitize_address,
+ kw_builtin,
+ kw_byval,
+ kw_inalloca,
+ kw_cold,
+ kw_convergent,
+ kw_dereferenceable,
+ kw_dereferenceable_or_null,
+ kw_inaccessiblememonly,
+ kw_inaccessiblemem_or_argmemonly,
+ kw_inlinehint,