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| author | Jakub Jelinek <jakub@redhat.com> | 2012-09-21 13:54:14 +0200 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-09-21 11:54:14 +0000 |
| commit | b7ce70b395cc04aa0ec1db5b0007879528b94e0f (patch) | |
| tree | bf7342f19f76e2784af86de1a433f5a4fe6618a8 /gcc/tree-loop-distribution.c | |
| parent | a30b9bb5cd1f6f97833852305d98f17b7b33c2ad (diff) | |
| download | gcc-b7ce70b395cc04aa0ec1db5b0007879528b94e0f.zip gcc-b7ce70b395cc04aa0ec1db5b0007879528b94e0f.tar.gz gcc-b7ce70b395cc04aa0ec1db5b0007879528b94e0f.tar.bz2 | |
re PR tree-optimization/54629 (ICE (segfault) in index_in_loop_nest tree-data-ref.h:608)
2012-09-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/54629
* tree-loop-distribution.c (classify_partition): Free loop nest only
after freeing ddr. Free ddr and loop nest also if successful.
From-SVN: r191611
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index b24af33..d29fe1c 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -1019,10 +1019,10 @@ classify_partition (loop_p loop, struct graph *rdg, partition_t partition) ddr = initialize_data_dependence_relation (single_load, single_store, loops); compute_affine_dependence (ddr, loop); - VEC_free (loop_p, heap, loops); if (DDR_ARE_DEPENDENT (ddr) == chrec_dont_know) { free_dependence_relation (ddr); + VEC_free (loop_p, heap, loops); return; } if (DDR_ARE_DEPENDENT (ddr) != chrec_known) @@ -1030,6 +1030,7 @@ classify_partition (loop_p loop, struct graph *rdg, partition_t partition) if (DDR_NUM_DIST_VECTS (ddr) == 0) { free_dependence_relation (ddr); + VEC_free (loop_p, heap, loops); return; } lambda_vector dist_v; @@ -1040,10 +1041,13 @@ classify_partition (loop_p loop, struct graph *rdg, partition_t partition) if (dist > 0 && !DDR_REVERSED_P (ddr)) { free_dependence_relation (ddr); + VEC_free (loop_p, heap, loops); return; } } } + free_dependence_relation (ddr); + VEC_free (loop_p, heap, loops); partition->kind = PKIND_MEMCPY; partition->main_dr = single_store; partition->secondary_dr = single_load; |