[Bug tree-optimization/87360] [8/9 Regression] ICE in remove_redundant_iv_tests at gcc/tree-ssa-loop-ivcanon.c:571 since r255467

2018-12-05 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87360

--- Comment #3 from Jakub Jelinek  ---
Author: jakub
Date: Wed Dec  5 11:05:59 2018
New Revision: 266820

URL: https://gcc.gnu.org/viewcvs?rev=266820=gcc=rev
Log:
PR tree-optimization/87360
* gimple-loop-jam.c (tree_loop_unroll_and_jam): On failure to analyze
data dependencies, don't return false, just continue.  Formatting
fixes.
(merge_loop_tree, bb_prevents_fusion_p, unroll_jam_possible_p,
fuse_loops): Formatting fixes.

* g++.dg/opt/pr87360.C: New test.
* gfortran.dg/pr87360.f90: New test.

Added:
trunk/gcc/testsuite/g++.dg/opt/pr87360.C
trunk/gcc/testsuite/gfortran.dg/pr87360.f90
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-loop-jam.c
trunk/gcc/testsuite/ChangeLog

[Bug tree-optimization/87360] [8/9 Regression] ICE in remove_redundant_iv_tests at gcc/tree-ssa-loop-ivcanon.c:571 since r255467

2018-12-04 Thread jakub at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87360

Jakub Jelinek  changed:

   What|Removed |Added

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

--- Comment #2 from Jakub Jelinek  ---
Created attachment 45153
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45153=edit
gcc9-pr87360.patch

Untested fix.

[Bug tree-optimization/87360] [8/9 Regression] ICE in remove_redundant_iv_tests at gcc/tree-ssa-loop-ivcanon.c:571 since r255467

2018-11-29 Thread asolokha at gmx dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87360

Arseny Solokha  changed:

   What|Removed |Added

 CC||asolokha at gmx dot com

--- Comment #1 from Arseny Solokha  ---
The same ICE can be reproduced compiling
gcc/testsuite/gcc.dg/graphite/run-id-1.c w/ g++ -O3 -fno-tree-dce --param
unroll-jam-min-percent=0.

[Bug tree-optimization/87360] [8/9 Regression] ICE in remove_redundant_iv_tests at gcc/tree-ssa-loop-ivcanon.c:571 since r255467

2018-09-19 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87360

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2

[Bug tree-optimization/87360] [8/9 Regression] ICE in remove_redundant_iv_tests at gcc/tree-ssa-loop-ivcanon.c:571 since r255467

2018-09-19 Thread marxin at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87360

Martin Liška  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2018-09-19
   Target Milestone|--- |8.3
 Ever confirmed|0   |1
  Known to fail||8.2.0, 9.0