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Diffstat (limited to 'clang/docs/UsersManual.rst')
| -rw-r--r-- | clang/docs/UsersManual.rst | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst index 7a9bdb96c5b..34e4408719c 100644 --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1056,8 +1056,17 @@ are listed below. .. option:: -fwhole-program-vtables Enable whole-program vtable optimizations, such as single-implementation - devirtualization and virtual constant propagation, for classes with - :doc:`hidden LTO visibility <LTOVisibility>`. Requires ``-flto``. + devirtualization and virtual constant propagation. Requires ``-flto``. + + By default, the compiler will assume that all type hierarchies are + closed except those in the ``std`` namespace, the ``stdext`` namespace + and classes with the ``__declspec(uuid())`` attribute. + +.. option:: -fwhole-program-vtables-blacklist=path + + Allows the user to specify the path to a list of additional classes to + blacklist from whole-program vtable optimizations. This list is in the + :ref:`CFI blacklist <cfi-blacklist>` format. .. option:: -fno-assume-sane-operator-new |
