[Bug middle-end/42178] New: gcc.dg/graphite/interchange-8.c causes ICE

[Bug middle-end/42178] New: gcc.dg/graphite/interchange-8.c causes ICE

[howarth at nitro dot med dot uc dot edu]

At r154653, the gcc.dg/graphite/interchange-8.c test case results in a compiler
ICE on x86_64-apple-darwin10. The error shows up as...

Executing on host:
/sw/src/fink.build/gcc45-4.4.999-20091125/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc45-4.4.999-20091125/darwin_objdir/gcc/
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c
  -O2 -fdump-tree-graphite-all  -floop-interchange -fno-loop-block
-fno-loop-strip-mine -ffast-math -S  -o interchange-8.s    (timeout = 300)
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c:
In function 'foo':
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c:
In function 'foo':
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

FAIL: gcc.dg/graphite/interchange-8.c (internal compiler error)
FAIL: gcc.dg/graphite/interchange-8.c (test for excess errors)
Excess errors:
/sw/src/fink.build/gcc45-4.4.999-20091125/gcc-4.5-20091125/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault

XFAIL: gcc.dg/graphite/interchange-8.c scan-tree-dump-times graphite "will be
interchanged" 1

A backtrace of the error shows...

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000004
0x00000001004da882 in lst_try_interchange (scop=<value temporarily unavailable,
due to optimizations>, loop=<value temporarily unavailable, due to
optimizations>, lst=<value temporarily unavailable, due to optimizations>,
index=<value temporarily unavailable, due to optimizations>) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:681
681         for (i = 0; VEC_iterate (lst_p, LST_SEQ (lst), i, l); i++)
(gdb) bt
#0  0x00000001004da882 in lst_try_interchange (scop=<value temporarily
unavailable, due to optimizations>, loop=<value temporarily unavailable, due to
optimizations>, lst=<value temporarily unavailable, due to optimizations>,
index=<value temporarily unavailable, due to optimizations>) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:681
#1  0x00000001004dcc48 in lst_do_interchange_1 (scop=0x141826910,
loop=0x14182b460, index=0x7fff5fbfd20c) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:709
#2  0x00000001004dcca3 in lst_do_interchange (scop=0x141826910,
loop=0x14182b460, index=0x7fff5fbfd20c) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:730
#3  0x00000001004dcd0b in lst_do_interchange (scop=0x141826910,
loop=0x14182b480, index=0x7fff5fbfd20c) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:734
#4  0x00000001004dcd37 in scop_do_interchange (scop=0x141826910) at
../../gcc-4.5-20091125/gcc/graphite-interchange.c:748
#5  0x00000001004de288 in apply_poly_transforms (scop=0x141826910) at
../../gcc-4.5-20091125/gcc/graphite-poly.c:260
#6  0x00000001004caab3 in graphite_transform_loops () at
../../gcc-4.5-20091125/gcc/graphite.c:276
#7  0x000000010076d6ba in graphite_transforms () at
../../gcc-4.5-20091125/gcc/tree-ssa-loop.c:300
#8  0x00000001005ad4e1 in execute_one_pass (pass=0x100bfc200) at
../../gcc-4.5-20091125/gcc/passes.c:1522
#9  0x00000001005ad7dd in execute_pass_list (pass=0x100bfc200) at
../../gcc-4.5-20091125/gcc/passes.c:1577
#10 0x00000001005ad7ef in execute_pass_list (pass=0x100bfbf60) at
../../gcc-4.5-20091125/gcc/passes.c:1578
#11 0x00000001005ad7ef in execute_pass_list (pass=0x100bfb5a0) at
../../gcc-4.5-20091125/gcc/passes.c:1578
#12 0x00000001006df104 in tree_rest_of_compilation (fndecl=0x141e03f00) at
../../gcc-4.5-20091125/gcc/tree-optimize.c:411
#13 0x000000010089782b in cgraph_expand_function (node=0x141d0c440) at
../../gcc-4.5-20091125/gcc/cgraphunit.c:1178
#14 0x000000010089992a in cgraph_optimize () at
../../gcc-4.5-20091125/gcc/cgraphunit.c:1245
#15 0x0000000100899f3f in cgraph_finalize_compilation_unit () at
../../gcc-4.5-20091125/gcc/cgraphunit.c:1107
#16 0x000000010001f472 in c_write_global_declarations () at
../../gcc-4.5-20091125/gcc/c-decl.c:9489
#17 0x00000001006745d2 in toplev_main (argc=28, argv=0x7fff5fbfd5e0) at
../../gcc-4.5-20091125/gcc/toplev.c:1061
#18 0x0000000100000a04 in start ()

Using built-in specs.
COLLECT_GCC=gcc-4
COLLECT_LTO_WRAPPER=/sw/lib/gcc4.5/libexec/gcc/x86_64-apple-darwin10.2.0/4.5.0/lto-wrapper
Target: x86_64-apple-darwin10.2.0
Configured with: ../gcc-4.5-20091125/configure --prefix=/sw
--prefix=/sw/lib/gcc4.5 --mandir=/sw/share/man --infodir=/sw/share/info
--enable-languages=c,c++,fortran,objc,obj-c++,java --with-gmp=/sw
--with-libiconv-prefix=/sw --with-ppl=/sw --with-cloog=/sw --with-mpc=/sw
--with-system-zlib --x-includes=/usr/X11R6/include --x-libraries=/usr/X11R6/lib
--disable-libjava-multilib
Thread model: posix
gcc version 4.5.0 20091125 (experimental) (GCC)


-- 
           Summary: gcc.dg/graphite/interchange-8.c causes ICE
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: howarth at nitro dot med dot uc dot edu
 GCC build triplet: x86_64-apple-darwin10
  GCC host triplet: x86_64-apple-darwin10
GCC target triplet: x86_64-apple-darwin10


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[pinskia at gcc dot gnu dot org]

-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |ice-on-valid-code
            Summary|gcc.dg/graphite/interchange-|[4.5 Regression]
                   |8.c causes ICE              |gcc.dg/graphite/interchange-
                   |                            |8.c causes ICE
   Target Milestone|---                         |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[rguenth at gcc dot gnu dot org]

-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[rguenth at gcc dot gnu dot org]

------- Comment #1 from rguenth at gcc dot gnu dot org  2009-12-13 22:20 -------
*** Bug 42211 has been marked as a duplicate of this bug. ***


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |astrange at ithinksw dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #2 from spop at gcc dot gnu dot org  2009-12-14 19:20 -------
Mine.


-- 

spop at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |spop at gcc dot gnu dot org
                   |dot org                     |
             Status|UNCONFIRMED                 |ASSIGNED
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-12-14 19:20:10
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #3 from spop at gcc dot gnu dot org  2009-12-15 08:39 -------
Subject: Bug 42178

Author: spop
Date: Tue Dec 15 08:39:25 2009
New Revision: 155248

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155248
Log:
Fix PR42334: correct the update of the LST on loop interchange and
distribution.

2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
        that are empty.
        (lst_do_interchange_1): Renamed lst_interchange_select_inner.
        (lst_try_interchange): Reimplemented.
        (lst_interchange_select_inner): Same.
        (lst_do_interchange): Renamed lst_interchange_select_outer.
        Reimplemented.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
        * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
        * testsuite/gcc.dg/graphite/pr42211.c: New.
        * testsuite/gfortran.dg/graphite/pr42334.f90: New.

Added:
    branches/graphite/gcc/testsuite/gcc.dg/graphite/pr42211.c
    branches/graphite/gcc/testsuite/gfortran.dg/graphite/pr42334.f90
Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-interchange.c
    branches/graphite/gcc/testsuite/g++.dg/graphite/pr42130.C
    branches/graphite/gcc/testsuite/gcc.dg/graphite/block-0.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #4 from spop at gcc dot gnu dot org  2009-12-15 08:41 -------
Fixed in the graphite branch.  I will commit this to trunk after further test.


-- 

spop at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #5 from spop at gcc dot gnu dot org  2009-12-15 21:12 -------
Subject: Bug 42178

Author: spop
Date: Tue Dec 15 21:11:48 2009
New Revision: 155273

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155273
Log:
Fix fall outs from Fix-PR42334.

2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_try_interchange): Do not increment the
        the OUTER index when there is no AFTER kernel.  Do not increment the
        OUTER index for after processing the AFTER kernel.
        (lst_interchange_select_inner): Call lst_try_interchange only on loops.
        (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
        index.  Do not pass to lst_interchange_select_inner the OUTER index.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * testsuite/gfortran.dg/graphite/graphite.exp
        (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
        * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
        the graphite dump file.
        * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
        * testsuite/gfortran.dg/graphite/pr42334-1.f: New.

Added:
    branches/graphite/gcc/testsuite/gfortran.dg/graphite/pr42334-1.f
Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-interchange.c
    branches/graphite/gcc/testsuite/gfortran.dg/graphite/graphite.exp
    branches/graphite/gcc/testsuite/gfortran.dg/graphite/interchange-1.f
    branches/graphite/gcc/testsuite/gfortran.dg/graphite/interchange-2.f


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #6 from spop at gcc dot gnu dot org  2009-12-17 21:57 -------
Subject: Bug 42178

Author: spop
Date: Thu Dec 17 21:57:29 2009
New Revision: 155326

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155326
Log:
Fix fall outs from Fix-PR42334.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
        index.  Call lst_interchange_select_inner only once.
        (lst_interchange_select_inner): Update use of lst_try_interchange.
        (lst_interchange_select_outer): Update.

Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-interchange.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[rguenth at gcc dot gnu dot org]

------- Comment #7 from rguenth at gcc dot gnu dot org  2009-12-19 19:05 -------
*** Bug 42435 has been marked as a duplicate of this bug. ***


-- 

rguenth at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hjl dot tools at gmail dot
                   |                            |com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[rguenth at gcc dot gnu dot org]

------- Comment #8 from rguenth at gcc dot gnu dot org  2009-12-19 19:05 -------
Re-open.  It's still broken on the trunk.


-- 

rguenth at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #9 from spop at gcc dot gnu dot org  2009-12-23 07:50 -------
Subject: Bug 42178

Author: spop
Date: Wed Dec 23 07:50:12 2009
New Revision: 155418

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155418
Log:
Fix PR42334: correct the update of the LST on loop interchange and
distribution.

2009-12-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        PR middle-end/42334
        * graphite-interchange.c (lst_perfect_nestify): Reset to NULL the LSTs
        that are empty.
        (lst_do_interchange_1): Renamed lst_interchange_select_inner.
        (lst_try_interchange): Reimplemented.
        (lst_interchange_select_inner): Same.
        (lst_do_interchange): Renamed lst_interchange_select_outer.
        Reimplemented.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * graphite-interchange.c (lst_try_interchange): Do not increment the
        the OUTER index when there is no AFTER kernel.  Do not increment the
        OUTER index for after processing the AFTER kernel.
        (lst_interchange_select_inner): Call lst_try_interchange only on loops.
        (lst_interchange_select_outer): Do not pass in a pointer to the OUTER
        index.  Do not pass to lst_interchange_select_inner the OUTER index.
        (scop_do_interchange): Update use of lst_interchange_select_outer.

        * graphite-interchange.c (lst_try_interchange): Do not modify OUTER
        index.  Call lst_interchange_select_inner only once.
        (lst_interchange_select_inner): Update use of lst_try_interchange.
        (lst_interchange_select_outer): Update.

        * testsuite/g++.dg/graphite/pr42130.C: Add -fgraphite-identity.
        * testsuite/gcc.dg/graphite/block-0.c: Un-XFAILed.
        * testsuite/gcc.dg/graphite/pr42211.c: New.
        * testsuite/gfortran.dg/graphite/pr42334.f90: New.

        * testsuite/gfortran.dg/graphite/graphite.exp
        (DEFAULT_FLAGS_GRAPHITE_IDENTITY): Remove -fdump-tree-graphite-all.
        * testsuite/gfortran.dg/graphite/interchange-1.f: Add comment.  Clean
        the graphite dump file.
        * testsuite/gfortran.dg/graphite/interchange-2.f: Same.
        * testsuite/gfortran.dg/graphite/pr42334-1.f: New.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr42211.c
    trunk/gcc/testsuite/gfortran.dg/graphite/pr42334-1.f
    trunk/gcc/testsuite/gfortran.dg/graphite/pr42334.f90
Modified:
    trunk/gcc/ChangeLog.graphite
    trunk/gcc/graphite-interchange.c
    trunk/gcc/testsuite/g++.dg/graphite/pr42130.C
    trunk/gcc/testsuite/gcc.dg/graphite/block-0.c
    trunk/gcc/testsuite/gfortran.dg/graphite/graphite.exp
    trunk/gcc/testsuite/gfortran.dg/graphite/interchange-1.f
    trunk/gcc/testsuite/gfortran.dg/graphite/interchange-2.f


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[spop at gcc dot gnu dot org]

------- Comment #10 from spop at gcc dot gnu dot org  2009-12-23 07:53 -------
Fixed.


-- 

spop at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[howarth at nitro dot med dot uc dot edu]

------- Comment #11 from howarth at nitro dot med dot uc dot edu  2009-12-24 01:26 -------
I still get an ICE on x86_64-apple-darwin10 at r155434 as...

Executing on host:
/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c
  -O2 -fdump-tree-graphite-all  -floop-interchange -fno-loop-block
-fno-loop-strip-mine -ffast-math -S  -o interchange-8.s    (timeout = 300)
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c:
In function 'foo':
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c:
In function 'foo':
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

FAIL: gcc.dg/graphite/interchange-8.c (internal compiler error)
FAIL: gcc.dg/graphite/interchange-8.c (test for excess errors)
Excess errors:
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault

XFAIL: gcc.dg/graphite/interchange-8.c scan-tree-dump-times graphite "will be
interchanged" 1


-- 

howarth at nitro dot med dot uc dot edu changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[howarth at nitro dot med dot uc dot edu]

------- Comment #12 from howarth at nitro dot med dot uc dot edu  2009-12-24 01:29 -------
This backtraces with the Apple gdb as...

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000004
0x00000001004e17e8 in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:706
706       for (inner = 0; VEC_iterate (lst_p, LST_SEQ (inner_father), inner,
l); inner++)
(gdb) bt
#0  0x00000001004e17e8 in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:706
#1  0x00000001004e18fe in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:684
#2  0x00000001004e2bb6 in lst_interchange_select_outer (scop=0x14182cc80,
loop=0x141826b50, outer=0) at
../../gcc-4.5-20091223/gcc/graphite-interchange.c:732
#3  0x00000001004e2c21 in lst_interchange_select_outer (scop=0x14182cc80,
loop=0x141826f30, outer=<value temporarily unavailable, due to optimizations>)
at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:743
#4  0x00000001004e2c5e in scop_do_interchange (scop=0x14182cc80) at
../../gcc-4.5-20091223/gcc/graphite-interchange.c:754
#5  0x00000001004e41b8 in apply_poly_transforms (scop=0x14182cc80) at
../../gcc-4.5-20091223/gcc/graphite-poly.c:260
#6  0x00000001004cfa93 in graphite_transform_loops () at
../../gcc-4.5-20091223/gcc/graphite.c:276
#7  0x000000010077356a in graphite_transforms () at
../../gcc-4.5-20091223/gcc/tree-ssa-loop.c:300
#8  0x00000001005b580e in execute_one_pass (pass=0x100c13960) at
../../gcc-4.5-20091223/gcc/passes.c:1561
#9  0x00000001005b5add in execute_pass_list (pass=0x100c13960) at
../../gcc-4.5-20091223/gcc/passes.c:1616
#10 0x00000001005b5aef in execute_pass_list (pass=0x100c136c0) at
../../gcc-4.5-20091223/gcc/passes.c:1617
#11 0x00000001005b5aef in execute_pass_list (pass=0x100c12d00) at
../../gcc-4.5-20091223/gcc/passes.c:1617
#12 0x00000001006e4f78 in tree_rest_of_compilation (fndecl=0x141e09900) at
../../gcc-4.5-20091223/gcc/tree-optimize.c:413
#13 0x000000010089fa13 in cgraph_expand_function (node=<value temporarily
unavailable, due to optimizations>) at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1544
#14 0x00000001008a290a in cgraph_optimize () at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1623
#15 0x00000001008a2eed in cgraph_finalize_compilation_unit () at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1093
#16 0x000000010001ff02 in c_write_global_declarations () at
../../gcc-4.5-20091223/gcc/c-decl.c:9490
#17 0x000000010067abe2 in toplev_main (argc=28, argv=0x7fff5fbfeb58) at
../../gcc-4.5-20091223/gcc/toplev.c:1061
#18 0x0000000100001514 in start ()
(gdb) 


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[howarth at nitro dot med dot uc dot edu]

------- Comment #13 from howarth at nitro dot med dot uc dot edu  2009-12-24 01:35 -------
Note that gcc.dg/graphite/block-4.c also ICEs with essentially the same
backtrace...

Executing on host:
/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c
  -O2 -floop-block -fno-loop-strip-mine  -fno-loop-interchange
-fdump-tree-graphite-all -S  -o block-4.s    (timeout = 300)
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c:
In function 'test':
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c:8:6:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
compiler exited with status 1
output is:
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c:
In function 'test':
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c:8:6:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

FAIL: gcc.dg/graphite/block-4.c (internal compiler error)
FAIL: gcc.dg/graphite/block-4.c (test for excess errors)
Excess errors:
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-4.c:8:6:
internal compiler error: Segmentation fault

Executing on host:
/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc45-4.4.999-20091223/darwin_objdir/gcc/
/sw/src/fink.build/gcc45-4.4.999-20091223/gcc-4.5-20091223/gcc/testsuite/gcc.dg/graphite/block-5.c
  -O2 -floop-block -fno-loop-strip-mine  -fno-loop-interchange
-fdump-tree-graphite-all -S  -o block-5.s    (timeout = 300)
PASS: gcc.dg/graphite/block-5.c (test for excess errors)
XFAIL: gcc.dg/graphite/block-5.c scan-tree-dump-times graphite "Interchange
valid for loops 0 and 1:" 2

Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000002
0x00000001004e17e8 in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:706
706       for (inner = 0; VEC_iterate (lst_p, LST_SEQ (inner_father), inner,
l); inner++)
(gdb) bt
#0  0x00000001004e17e8 in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:706
#1  0x00000001004e18fe in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:684
#2  0x00000001004e18fe in lst_interchange_select_inner (scop=<value temporarily
unavailable, due to optimizations>, outer_father=<value temporarily
unavailable, due to optimizations>, outer=<value temporarily unavailable, due
to optimizations>, inner_father=<value temporarily unavailable, due to
optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:684
#3  0x00000001004e2bb6 in lst_interchange_select_outer (scop=0x141826800,
loop=0x100d11370, outer=0) at
../../gcc-4.5-20091223/gcc/graphite-interchange.c:732
#4  0x00000001004e2c21 in lst_interchange_select_outer (scop=0x141826800,
loop=0x1418ad9c0, outer=<value temporarily unavailable, due to optimizations>)
at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:743
#5  0x00000001004e2c21 in lst_interchange_select_outer (scop=0x141826800,
loop=0x1418ad9e0, outer=<value temporarily unavailable, due to optimizations>)
at ../../gcc-4.5-20091223/gcc/graphite-interchange.c:743
#6  0x00000001004e2c5e in scop_do_interchange (scop=0x141826800) at
../../gcc-4.5-20091223/gcc/graphite-interchange.c:754
#7  0x00000001004d31a3 in scop_do_block (scop=<value temporarily unavailable,
due to optimizations>) at ../../gcc-4.5-20091223/gcc/graphite-blocking.c:293
#8  0x00000001004e41e8 in apply_poly_transforms (scop=0x141826800) at
../../gcc-4.5-20091223/gcc/graphite-poly.c:253
#9  0x00000001004cfa93 in graphite_transform_loops () at
../../gcc-4.5-20091223/gcc/graphite.c:276
#10 0x000000010077356a in graphite_transforms () at
../../gcc-4.5-20091223/gcc/tree-ssa-loop.c:300
#11 0x00000001005b580e in execute_one_pass (pass=0x100c13960) at
../../gcc-4.5-20091223/gcc/passes.c:1561
#12 0x00000001005b5add in execute_pass_list (pass=0x100c13960) at
../../gcc-4.5-20091223/gcc/passes.c:1616
#13 0x00000001005b5aef in execute_pass_list (pass=0x100c136c0) at
../../gcc-4.5-20091223/gcc/passes.c:1617
#14 0x00000001005b5aef in execute_pass_list (pass=0x100c12d00) at
../../gcc-4.5-20091223/gcc/passes.c:1617
#15 0x00000001006e4f78 in tree_rest_of_compilation (fndecl=0x141e09900) at
../../gcc-4.5-20091223/gcc/tree-optimize.c:413
#16 0x000000010089fa13 in cgraph_expand_function (node=<value temporarily
unavailable, due to optimizations>) at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1544
#17 0x00000001008a290a in cgraph_optimize () at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1623
#18 0x00000001008a2eed in cgraph_finalize_compilation_unit () at
../../gcc-4.5-20091223/gcc/cgraphunit.c:1093
#19 0x000000010001ff02 in c_write_global_declarations () at
../../gcc-4.5-20091223/gcc/c-decl.c:9490
#20 0x000000010067abe2 in toplev_main (argc=27, argv=0x7fff5fbfeba8) at
../../gcc-4.5-20091223/gcc/toplev.c:1061
#21 0x0000000100001514 in start ()
(gdb) 


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[hjl dot tools at gmail dot com]

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain, Size: 3669 bytes --]



------- Comment #14 from hjl dot tools at gmail dot com  2009-12-27 18:53 -------
On Linux/x86-64,  revision 155479 gave:

==25359== Invalid read of size 8
==25359==    at 0xC714EE: lst_interchange_select_inner
(graphite-interchange.c:708)
==25359==    by 0xC714DC: lst_interchange_select_inner
(graphite-interchange.c:684)
==25359==    by 0xC72725: lst_interchange_select_outer
(graphite-interchange.c:732)
==25359==    by 0xC7278D: lst_interchange_select_outer
(graphite-interchange.c:743)
==25359==    by 0xC727CB: scop_do_interchange (graphite-interchange.c:754)
==25359==    by 0xBE5A37: apply_poly_transforms (graphite-poly.c:260)
==25359==    by 0xBDF68F: graphite_transform_loops (graphite.c:276)
==25359==    by 0x883286: graphite_transforms (tree-ssa-loop.c:300)
==25359==    by 0x70F54A: execute_one_pass (passes.c:1561)
==25359==    by 0x70F7D4: execute_pass_list (passes.c:1616)
==25359==    by 0x70F7E6: execute_pass_list (passes.c:1617)
==25359==    by 0x70F7E6: execute_pass_list (passes.c:1617)
==25359==  Address 0xb78ac20 is not stack'd, malloc'd or (recently) free'd
==25359==
==25359== Invalid read of size 4
==25359==    at 0xC713BF: lst_interchange_select_inner
(graphite-interchange.c:706)
==25359==    by 0xC714DC: lst_interchange_select_inner
(graphite-interchange.c:684)
==25359==    by 0xC72725: lst_interchange_select_outer
(graphite-interchange.c:732)
==25359==    by 0xC7278D: lst_interchange_select_outer
(graphite-interchange.c:743)
==25359==    by 0xC727CB: scop_do_interchange (graphite-interchange.c:754)
==25359==    by 0xBE5A37: apply_poly_transforms (graphite-poly.c:260)
==25359==    by 0xBDF68F: graphite_transform_loops (graphite.c:276)
==25359==    by 0x883286: graphite_transforms (tree-ssa-loop.c:300)
==25359==    by 0x70F54A: execute_one_pass (passes.c:1561)
==25359==    by 0x70F7D4: execute_pass_list (passes.c:1616)
==25359==    by 0x70F7E6: execute_pass_list (passes.c:1617)
==25359==    by 0x70F7E6: execute_pass_list (passes.c:1617)
==25359==  Address 0x50 is not stack'd, malloc'd or (recently) free'd
==25359==
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gcc.dg/graphite/interchange-8.c:
In function âfooâ:
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gcc.dg/graphite/interchange-8.c:2:1:
internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
==25359==
==25359== HEAP SUMMARY:
==25359==     in use at exit: 2,988,596 bytes in 63,676 blocks
==25359==   total heap usage: 33,696,767 allocs, 33,633,091 frees,
1,196,915,069 bytes allocated
==25359==
==25359== LEAK SUMMARY:
==25359==    definitely lost: 24 bytes in 1 blocks
==25359==    indirectly lost: 48 bytes in 1 blocks
==25359==      possibly lost: 23,256 bytes in 901 blocks
==25359==    still reachable: 2,965,268 bytes in 62,773 blocks
==25359==         suppressed: 0 bytes in 0 blocks
==25359== Rerun with --leak-check=full to see details of leaked memory
==25359==
==25359== For counts of detected and suppressed errors, rerun with: -v
==25359== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 6 from 6)


-- 

hjl dot tools at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  GCC build triplet|x86_64-apple-darwin10       |
   GCC host triplet|x86_64-apple-darwin10       |
 GCC target triplet|x86_64-apple-darwin10       |
   Last reconfirmed|2009-12-14 19:20:10         |2009-12-27 18:53:51
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] gcc.dg/graphite/interchange-8.c causes ICE

[hjl dot tools at gmail dot com]

------- Comment #15 from hjl dot tools at gmail dot com  2009-12-27 18:54 -------
*** Bug 42510 has been marked as a duplicate of this bug. ***


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] Invalid memory access in graphite

[spop at gcc dot gnu dot org]

------- Comment #16 from spop at gcc dot gnu dot org  2010-01-05 22:55 -------
Subject: Bug 42178

Author: spop
Date: Tue Jan  5 22:55:02 2010
New Revision: 155665

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155665
Log:
Fix PR42178.

2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        * graphite-interchange.c (lst_try_interchange_loops): Do not return
        the before, nest, and after LSTs.
        (lst_try_interchange): Removed.
        (lst_interchange_select_inner): Do not iterate over the LSTs if they
        were modified.
        (lst_interchange_select_outer): Apply interchange on the outer loop
        until there are no more changes in the inner loops.

Modified:
    branches/graphite/gcc/ChangeLog.graphite
    branches/graphite/gcc/graphite-interchange.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] Invalid memory access in graphite

[spop at gcc dot gnu dot org]

------- Comment #17 from spop at gcc dot gnu dot org  2010-01-07 18:32 -------
Subject: Bug 42178

Author: spop
Date: Thu Jan  7 18:32:39 2010
New Revision: 155701

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155701
Log:
Fix PR42178.

2010-01-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42178
        * graphite-interchange.c (lst_try_interchange_loops): Do not return
        the before, nest, and after LSTs.
        (lst_try_interchange): Removed.
        (lst_interchange_select_inner): Do not iterate over the LSTs if they
        were modified.
        (lst_interchange_select_outer): Apply interchange on the outer loop
        until there are no more changes in the inner loops.

Modified:
    trunk/gcc/ChangeLog.graphite
    trunk/gcc/graphite-interchange.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178

[Bug middle-end/42178] [4.5 Regression] Invalid memory access in graphite

[spop at gcc dot gnu dot org]

------- Comment #18 from spop at gcc dot gnu dot org  2010-01-07 18:35 -------
Fixed.


-- 

spop at gcc dot gnu dot org changed:

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


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42178