Index: include/clang/Basic/AttrDocs.td =================================================================== --- include/clang/Basic/AttrDocs.td +++ include/clang/Basic/AttrDocs.td @@ -3505,3 +3505,19 @@ invoking clang with -fno-c++-static-destructors. }]; } + +def GnuInlineDocs : Documentation { + let Category = DocCatFunction; + let Content = [{ +The ``gnu_inline`` attribute specifies that a function marked ``inline`` should +follow the c89 convention that if the function cannot be inlined (possibly due +to being referred to by function pointer), then no out of line definition will +be emitted (instead of c99's behaviour of always emitting an out of line +definition). If ``__GNUC_STDC_INLINE__`` is defined, then the current +translation unit is not being compiled with ``gnu_inline`` semantics, and the +``gnu_inline`` function attribute can be used to get c89 semantics on a per +function basis. If ``__GNUC_STDC_INLINE__`` is not defined, then the +translation unit is already being compiled with c89 semantics as the implied +default. + }]; +}