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* [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
@ 2020-05-29  7:35 marxin at gcc dot gnu.org
  2020-05-29  7:36 ` [Bug tree-optimization/95403] " marxin at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-05-29  7:35 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403

            Bug ID: 95403
           Summary: [11 Regression] ICE in nested_in_vect_loop_p at
                    gcc/tree-vectorizer.h:1260 since
                    r11-689-ge31cd607e999ca6a
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: rguenth at gcc dot gnu.org
            Blocks: 26163
  Target Milestone: ---

It's reduced from 454.calculix:

$ cat deuldlag.f
      subroutine deuldlag(xi,et,ze,xlag,xeul,xj,xs)
      real*8 shp(3,20),xs(3,3),xlag(3,20),xeul(3,20)
      do i=1,3
        do j=1,3
        enddo
      enddo
      do i=1,3
        do j=1,3
          xs(i,j)=0.d0
          do k=1,20
            xs(i,j)=xs(i,j)+xeul(i,k)*shp(j,k)
          enddo
        enddo
      enddo
      end

$ gcc -O3 deuldlag.f -c
during GIMPLE pass: vect
deuldlag.f:1:0:

    1 |       subroutine deuldlag(xi,et,ze,xlag,xeul,xj,xs)
      | 
internal compiler error: Segmentation fault
0xeb3cff crash_signal
        /home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff78f6f3f ???
       
/usr/src/debug/glibc-2.31-5.1.x86_64/signal/../sysdeps/unix/sysv/linux/x86_64/sigaction.c:0
0x10f94e3 nested_in_vect_loop_p
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.h:1260
0x10f94e3 vect_init_vector_1
        /home/marxin/Programming/gcc/gcc/tree-vect-stmts.c:1333
0x10f972a vect_init_vector(vec_info*, _stmt_vec_info*, tree_node*, tree_node*,
gimple_stmt_iterator*)
        /home/marxin/Programming/gcc/gcc/tree-vect-stmts.c:1418
0x1144449 vect_create_constant_vectors
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:3745
0x1144449 vect_schedule_slp_instance
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4066
0x1144938 vect_schedule_slp_instance
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4071
0x114a982 vect_schedule_slp(vec_info*)
        /home/marxin/Programming/gcc/gcc/tree-vect-slp.c:4303
0x113543e vect_transform_loop(_loop_vec_info*, gimple*)
        /home/marxin/Programming/gcc/gcc/tree-vect-loop.c:8753
0x1150edf try_vectorize_loop_1
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:988
0x1151b89 vectorize_loops()
        /home/marxin/Programming/gcc/gcc/tree-vectorizer.c:1125
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26163
[Bug 26163] [meta-bug] missed optimization in SPEC (2k17, 2k and 2k6 and 95)

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/95403] [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
  2020-05-29  7:35 [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a marxin at gcc dot gnu.org
@ 2020-05-29  7:36 ` marxin at gcc dot gnu.org
  2020-05-29  8:02 ` rguenth at gcc dot gnu.org
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-05-29  7:36 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-05-29
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/95403] [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
  2020-05-29  7:35 [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a marxin at gcc dot gnu.org
  2020-05-29  7:36 ` [Bug tree-optimization/95403] " marxin at gcc dot gnu.org
@ 2020-05-29  8:02 ` rguenth at gcc dot gnu.org
  2020-05-29  9:02 ` cvs-commit at gcc dot gnu.org
  2020-05-29  9:03 ` rguenth at gcc dot gnu.org
  3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-05-29  8:02 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
   Target Milestone|---                         |11.0
           Assignee|unassigned at gcc dot gnu.org      |rguenth at gcc dot gnu.org

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/95403] [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
  2020-05-29  7:35 [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a marxin at gcc dot gnu.org
  2020-05-29  7:36 ` [Bug tree-optimization/95403] " marxin at gcc dot gnu.org
  2020-05-29  8:02 ` rguenth at gcc dot gnu.org
@ 2020-05-29  9:02 ` cvs-commit at gcc dot gnu.org
  2020-05-29  9:03 ` rguenth at gcc dot gnu.org
  3 siblings, 0 replies; 5+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-05-29  9:02 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:233ecb5e2c5a769429279afbbf7d275cb3940cde

commit r11-713-g233ecb5e2c5a769429279afbbf7d275cb3940cde
Author: Richard Biener <rguenther@suse.de>
Date:   Fri May 29 10:16:38 2020 +0200

    tree-optimization/95403 - guard vect_init_vector_1 against NULL stmt_info

    2020-05-29  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/95403
            * tree-vect-stmts.c (vect_init_vector_1): Guard against NULL
            stmt_vinfo.

            * gfortran.dg/vect/pr95403.f: New testcase.

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [Bug tree-optimization/95403] [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a
  2020-05-29  7:35 [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a marxin at gcc dot gnu.org
                   ` (2 preceding siblings ...)
  2020-05-29  9:02 ` cvs-commit at gcc dot gnu.org
@ 2020-05-29  9:03 ` rguenth at gcc dot gnu.org
  3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-05-29  9:03 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95403

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.

^ permalink raw reply	[flat|nested] 5+ messages in thread

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2020-05-29  7:35 [Bug tree-optimization/95403] New: [11 Regression] ICE in nested_in_vect_loop_p at gcc/tree-vectorizer.h:1260 since r11-689-ge31cd607e999ca6a marxin at gcc dot gnu.org
2020-05-29  7:36 ` [Bug tree-optimization/95403] " marxin at gcc dot gnu.org
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2020-05-29  9:03 ` rguenth at gcc dot gnu.org

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