[PATCH] D28727: Add -fstrict-vtable-pointers to UserManual

[Piotr Padlewski via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Prazek marked an inline comment as done.
Closed by commit rL292112: Add -fstrict-vtable-pointers to UsersManual (authored by Prazek).

Changed prior to commit:
  https://reviews.llvm.org/D28727?vs=84492&id=84551#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D28727

Files:
  cfe/trunk/docs/UsersManual.rst


Index: cfe/trunk/docs/UsersManual.rst
===================================================================
--- cfe/trunk/docs/UsersManual.rst
+++ cfe/trunk/docs/UsersManual.rst
@@ -1097,6 +1097,13 @@
    the behavior of sanitizers in the ``cfi`` group to allow checking
    of cross-DSO virtual and indirect calls.
 
+
+.. option:: -fstrict-vtable-pointers
+   Enable optimizations based on the strict rules for overwriting polymorphic
+   C++ objects, i.e. the vptr is invariant during an object's lifetime.
+   This enables better devirtualization. Turned off by default, because it is
+   still experimental.
+
 .. option:: -ffast-math
 
    Enable fast-math mode. This defines the ``__FAST_MATH__`` preprocessor


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D28727.84551.patch
Type: text/x-patch
Size: 715 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170116/84dd74cb/attachment.bin>