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From: "jamborm at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/45632] const function pointer propagation issues with inlining Date: Fri, 21 Oct 2011 14:08:00 -0000 [thread overview] Message-ID: <bug-45632-4-nT5UaaAa6e@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-45632-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45632 --- Comment #2 from Martin Jambor <jamborm at gcc dot gnu.org> 2011-10-21 14:07:53 UTC --- Is the second call to func() in main we pass the pointer p again, p2 being basically thrown away, I think that is a mistake because this way, there isn't actually any call to b_foo in the testcase, just two calls to a_foo. BTW, currently (at -O3 and on i686) not even these calls to a_foo is inlined. Just one of them is direct but the other one is not, presumably because we don't believe in the constantness of *p over the first call at this stage. When I change the testcase to pass p2 to the second invocation of func, neither a_foo nor b_foo are inlined either. So it seems to me that in order to inline both cases we'd need aggregate return functions that we would be able to combine with indirect cgraph edges at inlining time. Tough.
next parent reply other threads:[~2011-10-21 14:08 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-45632-4@http.gcc.gnu.org/bugzilla/> 2011-10-21 14:08 ` jamborm at gcc dot gnu.org [this message] 2021-08-05 23:57 ` [Bug tree-optimization/45632] " pinskia at gcc dot gnu.org 2010-09-10 8:50 [Bug middle-end/45632] New: " andi-gcc at firstfloor dot org 2010-09-10 8:51 ` [Bug middle-end/45632] " andi-gcc at firstfloor dot org 2010-09-10 9:28 ` rguenth at gcc dot gnu dot org
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