[Bug lto/98155] New: [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[Bug lto/98155] New: [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[doko at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

            Bug ID: 98155
           Summary: [11 Regression] ICE during GIMPLE pass: slp, in
                    vect_init_pattern_stmt
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: doko at debian dot org
                CC: marxin at gcc dot gnu.org
  Target Milestone: ---

seen with profiled-bootstrap + LTO enabled build, at least on x86_64-linux-gnu
and s390x-linux-gnu:

during GIMPLE pass: slp
../../src/gcc/ada/bindo-graphs.adb: In function
'bindo__graphs__library_graphs__is_spec_with_elaborate_body':
../../src/gcc/ada/bindo-graphs.adb:3469:7: internal compiler error: in
vect_init_pattern_stmt, at tree-vect-patterns.c:115
 3469 |       function Is_Spec_With_Elaborate_Body
      |       ^
0x94821e vect_init_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:115
0x1a51783 vect_set_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:133
0x1a51783 vect_mark_pattern_stmts
        ../../src/gcc/tree-vect-patterns.c:5352
0x1a51783 vect_pattern_recog_1
        ../../src/gcc/tree-vect-patterns.c:5468
0x1a60ae1 vect_pattern_recog(vec_info*)
        ../../src/gcc/tree-vect-patterns.c:5608
0x94821e vect_init_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:115
0x1a51783 vect_set_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:133
0x1a51783 vect_mark_pattern_stmts
        ../../src/gcc/tree-vect-patterns.c:5352
0x1a51783 vect_pattern_recog_1
        ../../src/gcc/tree-vect-patterns.c:5468
0x1a60ae1 vect_pattern_recog(vec_info*)
        ../../src/gcc/tree-vect-patterns.c:5608
0x11443e2 vect_slp_analyze_bb_1
        ../../src/gcc/tree-vect-slp.c:4242
0x11443e2 vect_slp_region
        ../../src/gcc/tree-vect-slp.c:4347
0x1145de7 vect_slp_bbs
        ../../src/gcc/tree-vect-slp.c:4495
0x11461f4 vect_slp_function(function*)
        ../../src/gcc/tree-vect-slp.c:4581
0x1147b32 execute
        ../../src/gcc/tree-vectorizer.c:1436
Please submit a full bug report,
with preprocessed source if appropriate.

s390x:
during GIMPLE pass: slp
../../src/gcc/ada/bindo-augmentors.adb: In function
'bindo__augmentors__library_graph_augmentors__visit_vertex':
../../src/gcc/ada/bindo-augmentors.adb:206:7: internal compiler error: in
vect_init_pattern_stmt, at tree-vect-patterns.c:115
  206 |       procedure Visit_Vertex
      |       ^
0x23b330f vect_init_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:115
0x23b3739 vect_set_pattern_stmt
        ../../src/gcc/tree-vect-patterns.c:133
0x23b3739 vect_mark_pattern_stmts
        ../../src/gcc/tree-vect-patterns.c:5352
0x23b3739 vect_pattern_recog_1
        ../../src/gcc/tree-vect-patterns.c:5468
0x23c5fa3 vect_pattern_recog(vec_info*)
        ../../src/gcc/tree-vect-patterns.c:5608
0x1bafd87 vect_slp_analyze_bb_1
        ../../src/gcc/tree-vect-slp.c:4242
0x1bafd87 vect_slp_region
        ../../src/gcc/tree-vect-slp.c:4347
0x1bb1863 vect_slp_bbs
        ../../src/gcc/tree-vect-slp.c:4495
0x1bb1cf5 vect_slp_function(function*)
        ../../src/gcc/tree-vect-slp.c:4581
0x1bb3867 execute
        ../../src/gcc/tree-vectorizer.c:1436
Please submit a full bug report,
with preprocessed source if appropriate.

GCC configured with:

         --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++
         --prefix=/usr/lib/gcc-snapshot
         --with-gcc-major-version-only
         --program-prefix=
         --enable-shared
         --enable-linker-build-id
         --disable-nls
         --enable-bootstrap
         --enable-clocale=gnu
         --enable-libstdcxx-debug
         --enable-libstdcxx-time=yes
         --with-default-libstdcxx-abi=new
         --enable-gnu-unique-object
         --disable-vtable-verify
         --enable-plugin
         --with-system-zlib
         --enable-libphobos-checking=release
         --with-target-system-zlib=auto
         --enable-objc-gc=auto
         --enable-multiarch
         --disable-werror
         --enable-cet
         --with-arch-32=i686
         --with-abi=m64
         --with-multilib-list=m32,m64,mx32
         --enable-multilib
         --with-tune=generic
         --without-cuda-driver
         --enable-checking=yes,extra,rtl
         --build=x86_64-linux-gnu
         --host=x86_64-linux-gnu
         --target=x86_64-linux-gnu
         --with-build-config=bootstrap-lto-lean
         --enable-link-serialization=2

[Bug lto/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-12-06
             Status|UNCONFIRMED                 |WAITING
     Ever confirmed|0                           |1

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Which GCC revision are you testing Matthias?

[Bug lto/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[doko at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

--- Comment #2 from Matthias Klose <doko at debian dot org> ---
3e2ae3ee285a57455d5a23bd352a68c289130186

[Bug lto/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[doko at debian dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

--- Comment #3 from Matthias Klose <doko at debian dot org> ---
... building with make profiledbootstrap-lean

[Bug lto/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
I was unable to reproduce that with g:bd0f0243869b3941a256ca0ea9c8aca141412f7e
for PGO lto-lean configuration on multiple platforms.

[Bug tree-optimization/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.0
             Target|                            |x86_64-*-* s390x-*-*
           Keywords|                            |build
          Component|lto                         |tree-optimization
                 CC|                            |rguenth at gcc dot gnu.org

[Bug tree-optimization/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Isn't this PR95582?

[Bug tree-optimization/98155] [11 Regression] ICE during GIMPLE pass: slp, in vect_init_pattern_stmt

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98155

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #5)
> Isn't this PR95582?

Oh, yes, that must be a duplicate. I have a WIP patch attached to PR95582 in
our gcc11 package.

*** This bug has been marked as a duplicate of bug 95582 ***