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| author | Richard Guenther <rguenther@suse.de> | 2012-08-16 14:27:51 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-08-16 14:27:51 +0000 |
| commit | f5843d08b462559af731ed7bd40f2d8e7a1b47e1 (patch) | |
| tree | 376f51f58149bf3a9c71811ae304381e607e6ff2 /gcc/tree-ssa-loop-niter.c | |
| parent | 0c8036f70a641b1821290e0c7f35c5a911a4a77a (diff) | |
| download | gcc-f5843d08b462559af731ed7bd40f2d8e7a1b47e1.zip gcc-f5843d08b462559af731ed7bd40f2d8e7a1b47e1.tar.gz gcc-f5843d08b462559af731ed7bd40f2d8e7a1b47e1.tar.bz2 | |
re PR middle-end/54146 (Very slow compile with attribute((flatten)))
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.
From-SVN: r190445
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 4c67c26..38b47b0 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -2286,7 +2286,10 @@ find_loop_niter_by_eval (struct loop *loop, edge *exit) /* Loops with multiple exits are expensive to handle and less important. */ if (!flag_expensive_optimizations && VEC_length (edge, exits) > 1) - return chrec_dont_know; + { + VEC_free (edge, heap, exits); + return chrec_dont_know; + } FOR_EACH_VEC_ELT (edge, exits, i, ex) { |