Re: Question about builtin_free doesn't read memory

On Sun, Nov 28, 2021 at 4:11 PM Jan Hubicka wrote: > > > Hi, > > In function ref_maybe_used_by_call_p_1, there is below code snippet > > /* The following builtins do not read from memory. */ > > case BUILT_IN_FREE: > > ... > >return false; > > > > I am confu

Re: Question about builtin_free doesn't read memory

> Hi, > In function ref_maybe_used_by_call_p_1, there is below code snippet > /* The following builtins do not read from memory. */ > case BUILT_IN_FREE: > ... >return false; > > I am confused because free function does read from (and even write to) > memory

Question about builtin_free doesn't read memory

Hi, In function ref_maybe_used_by_call_p_1, there is below code snippet /* The following builtins do not read from memory. */ case BUILT_IN_FREE: ... return false; I am confused because free function does read from (and even write to) memory pointed to by pas