diff options
| author | Abderrazek Zaafrani <a.zaafrani@samsung.com> | 2015-11-07 01:32:27 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2015-11-07 01:32:27 +0000 |
| commit | 0473915e63175064c9b6c739841bc670c782cdbd (patch) | |
| tree | 32104e688dc8f9ffb5f432b9e2a565d4fdc3e700 /gcc/graphite-optimize-isl.c | |
| parent | 504fbc11f43fd20c33e5c44cc626f339f6fd8f8d (diff) | |
add original schedule to scop
* graphite-optimize-isl.c (optimize_isl): Call isl_union_map_is_equal.
* graphite-poly.c (new_scop): Initialize original_schedule.
(free_scop): Free original_schedule.
* graphite-poly.h (struct scop): Add field original_schedule.
* graphite-sese-to-poly.c (build_scop_original_schedule): New.
(build_poly_scop): Call build_scop_original_schedule.
From-SVN: r229910
Diffstat (limited to 'gcc/graphite-optimize-isl.c')
| -rw-r--r-- | gcc/graphite-optimize-isl.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/graphite-optimize-isl.c b/gcc/graphite-optimize-isl.c index 0d859759da1..c09264bf093 100644 --- a/gcc/graphite-optimize-isl.c +++ b/gcc/graphite-optimize-isl.c @@ -441,11 +441,23 @@ optimize_isl (scop_p scop) #else isl_union_map *schedule_map = get_schedule_map (schedule); #endif - apply_schedule_map_to_scop (scop, schedule_map); - isl_schedule_free (schedule); - isl_union_map_free (schedule_map); - return true; + if (isl_union_map_is_equal (scop->original_schedule, schedule_map)) + { + if (dump_file && dump_flags) + fprintf (dump_file, "\nISL schedule same as original schedule\n"); + + isl_schedule_free (schedule); + isl_union_map_free (schedule_map); + return false; + } + else + { + apply_schedule_map_to_scop (scop, schedule_map); + isl_schedule_free (schedule); + isl_union_map_free (schedule_map); + return true; + } } #endif /* HAVE_isl */ |