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authorRichard Guenther <rguenther@suse.de>2012-08-16 14:27:51 +0000
committerRichard Guenther <rguenther@suse.de>2012-08-16 14:27:51 +0000
commit2f2d6d55f338fc9fb785a58a77d1184feca2c826 (patch)
tree376f51f58149bf3a9c71811ae304381e607e6ff2 /gcc/tree-into-ssa.c
parent5e2f91765779d7dcc8af1107dced3627d13dc87c (diff)
2012-08-16 Richard Guenther <rguenther@suse.de>
PR middle-end/54146 * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Free the exit vector. * ipa-pure-const.c (analyze_function): Use FOR_EACH_LOOP_BREAK. * cfgloop.h (FOR_EACH_LOOP_BREAK): Fix. * tree-ssa-structalias.c (handle_lhs_call): Properly free rhsc. * tree-into-ssa.c (get_ssa_name_ann): Allocate info only when needed. * tree-ssa-loop-im.c (analyze_memory_references): Adjust. (tree_ssa_lim_finalize): Free all mem_refs. * tree-ssa-sccvn.c (extract_and_process_scc_for_name): Free scc when bailing out. * modulo-sched.c (sms_schedule): Use FOR_EACH_LOOP_BREAK. * ira-build.c (loop_with_complex_edge_p): Free loop exit vector. * graphite-sese-to-poly.c (scop_ivs_can_be_represented): Use FOR_EACH_LOOP_BREAK. git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@190445 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-into-ssa.c')
-rw-r--r--gcc/tree-into-ssa.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index 073a4881a62..a3c31799d02 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -312,22 +312,21 @@ get_ssa_name_ann (tree name)
unsigned len = VEC_length (ssa_name_info_p, info_for_ssa_name);
struct ssa_name_info *info;
+ /* Re-allocate the vector at most once per update/into-SSA. */
if (ver >= len)
- {
- unsigned old_len = VEC_length (ssa_name_info_p, info_for_ssa_name);
- unsigned new_len = num_ssa_names;
+ VEC_safe_grow_cleared (ssa_name_info_p, heap,
+ info_for_ssa_name, num_ssa_names);
- VEC_reserve (ssa_name_info_p, heap, info_for_ssa_name,
- new_len - old_len);
- while (len++ < new_len)
- {
- struct ssa_name_info *info = XCNEW (struct ssa_name_info);
- info->age = current_info_for_ssa_name_age;
- VEC_quick_push (ssa_name_info_p, info_for_ssa_name, info);
- }
+ /* But allocate infos lazily. */
+ info = VEC_index (ssa_name_info_p, info_for_ssa_name, ver);
+ if (!info)
+ {
+ info = XCNEW (struct ssa_name_info);
+ info->age = current_info_for_ssa_name_age;
+ info->info.need_phi_state = NEED_PHI_STATE_UNKNOWN;
+ VEC_replace (ssa_name_info_p, info_for_ssa_name, ver, info);
}
- info = VEC_index (ssa_name_info_p, info_for_ssa_name, ver);
if (info->age < current_info_for_ssa_name_age)
{
info->age = current_info_for_ssa_name_age;