On Thu, Dec 15, 2022 at 12:21:21PM -0500, Siddhesh Poyarekar wrote:
> On 2022-12-15 12:09, Jakub Jelinek wrote:
> > > -This is a propagation pass similar to CCP that tries to remove calls
> > > -to @code{__builtin_object_size} when the size of the object can be
> > > -computed at compile-time. This pass is located in
> > > -@file{tree-object-size.cc} and is described by
> > > +This is a propagation pass similar to CCP that tries to remove calls to
> > > +@code{__builtin_object_size} or @code{__builtin_dynamic_object_size}
> > > +when the size of the object can be computed at compile-time. This pass
> >
> > Can be computed at compile-time is only true for __bos, for
> > __bdos is if it can be computed.
>
> How about:
>
>
> This is a propagation pass similar to CCP that tries to remove calls to
> @code{__builtin_object_size} when the size of the object can be computed at
> compile-time. It also tries to replace calls to
>
> @code{__builtin_dynamic_object_size} with an expression that evaluates
> the size of the object. This pass is located in
> @file{tree-object-size.cc} and is described by @code{pass_object_sizes}.
Without the empty space in between and perhaps with replacing size with
upper or lower bound for the size of the object in both cases ok.
Jakub
