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| author | Jan Hubicka <jh@suse.cz> | 2007-01-18 15:56:33 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2007-01-18 14:56:33 +0000 |
| commit | 1994bfea41d3cea4650b1678c13a70bf88186839 (patch) | |
| tree | 370ef0af6f0c9483e8a124a460b11617ada2ca1b /gcc/passes.c | |
| parent | d85c755027830f7779768c633aecdaf530a47034 (diff) | |
| download | gcc-1994bfea41d3cea4650b1678c13a70bf88186839.zip gcc-1994bfea41d3cea4650b1678c13a70bf88186839.tar.gz gcc-1994bfea41d3cea4650b1678c13a70bf88186839.tar.bz2 | |
tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
* tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
* tree-tailcall (add_virtual_phis): Likewise.
(optimize_tail_call): Return TODOs.
(execute_tail_calls): Return TODOs.
* tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
changed.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
Cleanup cfg using TODO.
* tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
* passes.c (execute_function_todo): When cleanup did something, remove
unused locals.
* tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
(make_edges): Don't cleanup_cfg.
From-SVN: r120900
Diffstat (limited to 'gcc/passes.c')
| -rw-r--r-- | gcc/passes.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/passes.c b/gcc/passes.c index 9cb2c52..0ab5f48 100644 --- a/gcc/passes.c +++ b/gcc/passes.c @@ -818,14 +818,19 @@ execute_function_todo (void *data) if (!flags) return; - /* Always cleanup the CFG before trying to update SSA . */ + /* Always cleanup the CFG before trying to update SSA. */ if (flags & TODO_cleanup_cfg) { + bool cleanup; + if (current_loops) - cleanup_tree_cfg_loop (); + cleanup = cleanup_tree_cfg_loop (); else - cleanup_tree_cfg (); + cleanup = cleanup_tree_cfg (); + if (cleanup && (cfun->curr_properties & PROP_ssa)) + flags |= TODO_remove_unused_locals; + /* When cleanup_tree_cfg merges consecutive blocks, it may perform some simplistic propagation when removing single valued PHI nodes. This propagation may, in turn, cause the |