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| author | Richard Biener <rguenther@suse.de> | 2014-06-06 07:38:07 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2014-06-06 07:38:07 +0000 |
| commit | 726338f44ec906a894236b5cee6dcc7ab32fc30c (patch) | |
| tree | 20e556c7d8b7c03079833b61519c222ba819f783 /gcc/tree-ssa-tail-merge.c | |
| parent | ffa4602f4d54c80b978b3f6c8c376fbf75b72277 (diff) | |
| download | gcc-726338f44ec906a894236b5cee6dcc7ab32fc30c.zip gcc-726338f44ec906a894236b5cee6dcc7ab32fc30c.tar.gz gcc-726338f44ec906a894236b5cee6dcc7ab32fc30c.tar.bz2 | |
cfgexpand.c (expand_gimple_cond): Remove check for current_loops.
2014-06-06 Richard Biener <rguenther@suse.de>
* cfgexpand.c (expand_gimple_cond): Remove check for current_loops.
(construct_init_block): Likewise.
(construct_exit_block): Likewise.
(pass_expand::execute): Likewise.
* graphite.c (graphite_transforms): Replace check for current_loops
with a check for > 1 loops.
(pass_graphite_transforms::execute): Adjust.
* ipa-split.c (split_function): Remove check for current_loops.
* omp-low.c (expand_parallel_call): Likewise.
(expand_omp_for_init_counts): Likewise.
(extract_omp_for_update_vars): Likewise.
(expand_omp_for_generic): Likewise.
(expand_omp_sections): Likewise.
(expand_omp_target): Likewise.
* tracer.c (tail_duplicate): Likewise.
(pass_tracer::execute): Likewise.
* trans-mem.c (expand_transaction): Likewise.
* tree-complex.c (expand_complex_div_wide): Likewise.
* tree-eh.c (lower_resx): Likewise.
(cleanup_empty_eh_merge_phis): Likewise.
* tree-predcom.c (run_tree_predictive_commoning): Replace check for
current_loops with a check for > 1 loops.
(pass_predcom::execute): Adjust.
* tree-scalar-evolution.c (scev_reset): Remove check for current_loops.
* tree-ssa-copy.c (copy_prop_visit_phi_node): Likewise.
* tree-ssa-dom.c (pass_phi_only_cprop::execute): Likewise.
* tree-ssa-tail-merge.c (tail_merge_optimize): Likewise.
* tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
* tree-switch-conversion.c (process_switch): Likewise.
* tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
* tree-vrp.c (vrp_visit_phi_node): Likewise.
(execute_vrp): Likewise.
* ubsan.c (ubsan_expand_null_ifn): Likewise.
From-SVN: r211306
Diffstat (limited to 'gcc/tree-ssa-tail-merge.c')
| -rw-r--r-- | gcc/tree-ssa-tail-merge.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/gcc/tree-ssa-tail-merge.c b/gcc/tree-ssa-tail-merge.c index f879871..20fbebf 100644 --- a/gcc/tree-ssa-tail-merge.c +++ b/gcc/tree-ssa-tail-merge.c @@ -1656,18 +1656,7 @@ tail_merge_optimize (unsigned int todo) int max_iterations = PARAM_VALUE (PARAM_MAX_TAIL_MERGE_ITERATIONS); if (!flag_tree_tail_merge - || max_iterations == 0 - /* We try to be conservative with respect to loop structure, since: - - the cases where tail-merging could both affect loop structure and be - beneficial are rare, - - it prevents us from having to fixup the loops using - loops_state_set (LOOPS_NEED_FIXUP), and - - keeping loop structure may allow us to simplify the pass. - In order to be conservative, we need loop information. In rare cases - (about 7 test-cases in the g++ testsuite) there is none (because - loop_optimizer_finalize has been called before tail-merge, and - PROP_loops is not set), so we bail out. */ - || current_loops == NULL) + || max_iterations == 0) return 0; timevar_push (TV_TREE_TAIL_MERGE); |