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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2007-05-27 19:23:11 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-05-27 17:23:11 +0000 |
| commit | d51157deeeaa2095a645626d4136ba9dd02285c4 (patch) | |
| tree | 877b6d8a4f3bb9732c119f5030e7349e852d40a1 /gcc/tree-scalar-evolution.c | |
| parent | 67a7356b320482dfc404f57d7f23615076934f2c (diff) | |
| download | gcc-d51157deeeaa2095a645626d4136ba9dd02285c4.zip gcc-d51157deeeaa2095a645626d4136ba9dd02285c4.tar.gz gcc-d51157deeeaa2095a645626d4136ba9dd02285c4.tar.bz2 | |
tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
* tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
* tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
* ifcvt.c (if_convert): Ditto.
* tree-ssa-threadupdate.c (thread_block): Ditto.
(thread_through_all_blocks): Ditto. Assert that loops were analysed.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
verify_loop_closed_ssa): Check number_of_loops instead of current_loops.
* predict.c (tree_estimate_probability): Ditto.
* tree-if-conv.c (main_tree_if_conversion): Ditto.
* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
* modulo-sched.c (sms_schedule): Ditto.
* tree-scalar-evolution.c (scev_const_prop): Ditto.
(scev_finalize): Do not do anything if scev analysis was not
initialized.
* cfgloopanal.c (mark_irreducible_loops): Do not check whether
current_loops == NULL.
(mark_loop_exit_edges): Check number_of_loops instead of current_loops.
* loop-init.c (loop_optimizer_init): Do not free current_loops when
there are no loops.
(loop_optimizer_finalize): Assert that loops were analyzed.
(rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
rtl_doloop): Check number_of_loops instead of current_loops.
* tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
current_loops == NULL.
(tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
gate_tree_vectorize tree_linear_transform, check_data_deps,
tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
Check number_of_loops instead of current_loops.
(tree_ssa_loop_done): Do not check whether current_loops == NULL.
* tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
free loops if available.
(execute_pre): Do not pass do_fre to fini_pre.
From-SVN: r125114
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index eb45529..fd55938 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -2863,6 +2863,8 @@ scev_analysis (void) void scev_finalize (void) { + if (!scalar_evolution_info) + return; htab_delete (scalar_evolution_info); BITMAP_FREE (already_instantiated); scalar_evolution_info = NULL; @@ -2885,7 +2887,7 @@ scev_const_prop (void) unsigned i; loop_iterator li; - if (!current_loops) + if (number_of_loops () <= 1) return 0; FOR_EACH_BB (bb) |