[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[aldyh at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

--- Comment #8 from Aldy Hernandez  ---
Author: aldyh
Date: Wed Sep 13 16:18:48 2017
New Revision: 252245

URL: https://gcc.gnu.org/viewcvs?rev=252245=gcc=rev
Log:
2017-08-02  Richard Biener  

PR tree-optimization/81633
Revert
2015-08-17  Alan Hayward  

PR tree-optimization/71752
* tree-vect-slp.c (vect_get_slp_defs): Handle null operands.

* gcc.dg/vect/pr81633.c: New testcase.

Added:
branches/range-gen2/gcc/testsuite/gcc.dg/vect/pr81633.c
Modified:
branches/range-gen2/gcc/ChangeLog
branches/range-gen2/gcc/testsuite/ChangeLog
branches/range-gen2/gcc/tree-vect-slp.c

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

--- Comment #7 from Richard Biener  ---
Author: rguenth
Date: Wed Aug  2 06:38:36 2017
New Revision: 250811

URL: https://gcc.gnu.org/viewcvs?rev=250811=gcc=rev
Log:
2017-08-02  Richard Biener  

PR tree-optimization/81633
Revert
2015-08-17  Alan Hayward  

PR tree-optimization/71752
* tree-vect-slp.c (vect_get_slp_defs): Handle null operands.

* gcc.dg/vect/pr81633.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/vect/pr81633.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-slp.c

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

--- Comment #6 from Richard Biener  ---
Author: rguenth
Date: Tue Aug  1 13:58:13 2017
New Revision: 250779

URL: https://gcc.gnu.org/viewcvs?rev=250779=gcc=rev
Log:
2017-08-01  Richard Biener  

PR tree-optimization/71752
PR tree-optimization/81633
* tree-vect-slp.c (vect_get_slp_defs): Handle null operands
in the original suggested way.

* gcc.dg/vect/pr81633.c: New testcase.

Added:
branches/gcc-7-branch/gcc/testsuite/gcc.dg/vect/pr81633.c
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/testsuite/ChangeLog
branches/gcc-7-branch/gcc/tree-vect-slp.c

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[alahay01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

alahay01 at gcc dot gnu.org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #5 from alahay01 at gcc dot gnu.org ---
Use the correct operands when SLP vectorising.

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[alahay01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

--- Comment #4 from alahay01 at gcc dot gnu.org ---
Author: alahay01
Date: Wed Aug 17 15:31:44 2016
New Revision: 239542

URL: https://gcc.gnu.org/viewcvs?rev=239542=gcc=rev
Log:
2015-08-17  Alan Hayward 

PR tree-optimization/71752
* tree-vect-loop.c (vectorizable_reduction): Keep SLP operand ordering.
* tree-vect-slp.c (vect_get_slp_defs): Handle null operands.

PR tree-optimization/71752
* gcc.dg/vect/pr71752.c: New


Added:
trunk/gcc/testsuite/gcc.dg/vect/pr71752.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop.c
trunk/gcc/tree-vect-slp.c

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[alahay01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

alahay01 at gcc dot gnu.org changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
   Assignee|unassigned at gcc dot gnu.org  |alahay01 at gcc dot 
gnu.org

--- Comment #3 from alahay01 at gcc dot gnu.org ---
Looks like vector q4_lsm.5_8 is used before it is defined.

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

Jakub Jelinek  changed:

   What|Removed |Added

 CC||alahay01 at gcc dot gnu.org,
   ||jakub at gcc dot gnu.org

--- Comment #2 from Jakub Jelinek  ---
Started with r237064.

[Bug tree-optimization/71752] [7 Regression] ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:229 w/ -O1 -ftree-vectorize

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71752

Richard Biener  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2016-07-04
   Target Milestone|--- |7.0
 Ever confirmed|0   |1

--- Comment #1 from Richard Biener  ---
Confirmed.