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* [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted @ 2009-10-17 0:13 pinskia at gcc dot gnu dot org 2009-10-17 0:13 ` [Bug tree-optimization/41735] " pinskia at gcc dot gnu dot org ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: pinskia at gcc dot gnu dot org @ 2009-10-17 0:13 UTC (permalink / raw) To: gcc-bugs Take: struct g { inline g(void); int t; }; inline g::g(void) { t = 0; } int h(void) { g a; return a.t; } --- CUT --- g::g() is being emitted even at -O2 -fno-early-inlining even though it has been inlined. Note we either update the cgraph after early inlining or it updates it correctly. -- Summary: [4.5 Regression] inlined comdat function sometimes is emitted Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org @ 2009-10-17 0:13 ` pinskia at gcc dot gnu dot org 2009-10-17 0:21 ` pinskia at gcc dot gnu dot org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu dot org @ 2009-10-17 0:13 UTC (permalink / raw) To: gcc-bugs -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |4.5.0 Known to work| |4.4.1 Target Milestone|--- |4.5.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org 2009-10-17 0:13 ` [Bug tree-optimization/41735] " pinskia at gcc dot gnu dot org @ 2009-10-17 0:21 ` pinskia at gcc dot gnu dot org 2009-10-24 11:59 ` rguenth at gcc dot gnu dot org ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: pinskia at gcc dot gnu dot org @ 2009-10-17 0:21 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from pinskia at gcc dot gnu dot org 2009-10-17 00:21 ------- Oh if I did not have t = 0; there, the function would have been eliminated too as const/pure is able to figure out that function is constant and able to remove it and something comes along and updates the cgraph. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org 2009-10-17 0:13 ` [Bug tree-optimization/41735] " pinskia at gcc dot gnu dot org 2009-10-17 0:21 ` pinskia at gcc dot gnu dot org @ 2009-10-24 11:59 ` rguenth at gcc dot gnu dot org 2009-11-11 22:24 ` hubicka at gcc dot gnu dot org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: rguenth at gcc dot gnu dot org @ 2009-10-24 11:59 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2009-10-24 11:59 ------- Confirmed. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Priority|P3 |P1 Last reconfirmed|0000-00-00 00:00:00 |2009-10-24 11:59:05 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org ` (2 preceding siblings ...) 2009-10-24 11:59 ` rguenth at gcc dot gnu dot org @ 2009-11-11 22:24 ` hubicka at gcc dot gnu dot org 2009-11-11 23:46 ` hubicka at gcc dot gnu dot org 2009-11-12 12:37 ` hubicka at gcc dot gnu dot org 5 siblings, 0 replies; 7+ messages in thread From: hubicka at gcc dot gnu dot org @ 2009-11-11 22:24 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from hubicka at gcc dot gnu dot org 2009-11-11 22:23 ------- Testing patch. -- hubicka at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |hubicka at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Last reconfirmed|2009-10-24 11:59:05 |2009-11-11 22:23:40 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org ` (3 preceding siblings ...) 2009-11-11 22:24 ` hubicka at gcc dot gnu dot org @ 2009-11-11 23:46 ` hubicka at gcc dot gnu dot org 2009-11-12 12:37 ` hubicka at gcc dot gnu dot org 5 siblings, 0 replies; 7+ messages in thread From: hubicka at gcc dot gnu dot org @ 2009-11-11 23:46 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from hubicka at gcc dot gnu dot org 2009-11-11 23:45 ------- Subject: Bug 41735 Author: hubicka Date: Wed Nov 11 23:45:09 2009 New Revision: 154108 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154108 Log: PR middle-end/41729 * ipa.c (function_and_variable_visibility): Do not privatize COMDAT and WEAK variables at -fwhole-program. PR middle-end/41735 * ipa.c (whole_program_function_and_variable_visility): COMDAT functions/variables are not needed even if they are externally visible. Modified: trunk/gcc/ChangeLog trunk/gcc/ipa.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/41735] [4.5 Regression] inlined comdat function sometimes is emitted 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org ` (4 preceding siblings ...) 2009-11-11 23:46 ` hubicka at gcc dot gnu dot org @ 2009-11-12 12:37 ` hubicka at gcc dot gnu dot org 5 siblings, 0 replies; 7+ messages in thread From: hubicka at gcc dot gnu dot org @ 2009-11-12 12:37 UTC (permalink / raw) To: gcc-bugs ------- Comment #5 from hubicka at gcc dot gnu dot org 2009-11-12 12:37 ------- Fixed by my patch. -- hubicka at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41735 ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2009-11-12 12:37 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2009-10-17 0:13 [Bug tree-optimization/41735] New: [4.5 Regression] inlined comdat function sometimes is emitted pinskia at gcc dot gnu dot org 2009-10-17 0:13 ` [Bug tree-optimization/41735] " pinskia at gcc dot gnu dot org 2009-10-17 0:21 ` pinskia at gcc dot gnu dot org 2009-10-24 11:59 ` rguenth at gcc dot gnu dot org 2009-11-11 22:24 ` hubicka at gcc dot gnu dot org 2009-11-11 23:46 ` hubicka at gcc dot gnu dot org 2009-11-12 12:37 ` hubicka at gcc dot gnu dot org
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