In the current graphite branch we fail with a SEGFAULT.
#0 0x28ed1fb1 in _malloc_prefork () from /lib/libc.so.7
#1 0x28ed6f45 in realloc () from /lib/libc.so.7
#2 0x28c9d019 in __gmp_default_reallocate () from /usr/local/lib/libgmp.so.7
#3 0x28cb0a4e in __gmpz_realloc () from /usr/local/lib/libgmp.so.7
#4 0x28cb14ce in __gmpz_set () from /usr/local/lib/libgmp.so.7
#5 0x28ce44ec in insert_loop (loop=0x291b56e0, level=4, scalar=0,
next=0xbfbfe7f0, infos=0x291b53c0)
at source/ppl/clast.c:1446
#6 0x28ce46fd in insert_loop (loop=0x291b5340, level=3, scalar=0,
next=0xbfbfe7f0, infos=0x291b53c0)
at source/ppl/clast.c:1480
#7 0x28ce46fd in insert_loop (loop=0x291b53e0, level=2, scalar=0,
next=0xbfbfe7f0, infos=0x291b53c0)
at source/ppl/clast.c:1480
#8 0x28ce46fd in insert_loop (loop=0x291b5360, level=1, scalar=0,
next=0xbfbfe7f0, infos=0x291b53c0)
at source/ppl/clast.c:1480
#9 0x28ce492f in cloog_clast_create (program=0x2910bfe0, options=0x2916f1c0)
at source/ppl/clast.c:1518
#10 0x08a15cf2 in find_transform (scop=0x29132310) at
../../../git/gcc/graphite.c:4238
#11 0x08a189a8 in graphite_transform_loops () at
../../../git/gcc/graphite.c:5386
It seems we do not initialize the cloog data structures correct or there is a
bug in cloog.
--
Summary: [graphite] SEGFAULT in cloog_clast_create
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: grosser at gcc dot gnu dot org
ReportedBy: grosser at gcc dot gnu dot org
OtherBugsDependingO 37894
nThis:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38459
