Author: prazek Date: Mon Jan 16 07:20:08 2017 New Revision: 292112 URL: http://llvm.org/viewvc/llvm-project?rev=292112&view=rev Log: Add -fstrict-vtable-pointers to UsersManual
Summary: Add missing flag to UsersManual It would be good to merge it to 4.0 branch. Reviewers: hans Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D28727 Modified: cfe/trunk/docs/UsersManual.rst Modified: cfe/trunk/docs/UsersManual.rst URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/UsersManual.rst?rev=292112&r1=292111&r2=292112&view=diff ============================================================================== --- cfe/trunk/docs/UsersManual.rst (original) +++ cfe/trunk/docs/UsersManual.rst Mon Jan 16 07:20:08 2017 @@ -1097,6 +1097,13 @@ are listed below. 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 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
