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| author | Richard Biener <rguenther@suse.de> | 2016-10-18 07:49:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-10-18 07:49:32 +0000 |
| commit | 62869a1ca1ddb89e9cb5c808bfe678979e4090f0 (patch) | |
| tree | 9b48433a7fd86a899ee37dcf25707c8d19d7b3db /gcc/tree-ssa-propagate.c | |
| parent | 699acd5b64b6dd9908f968d4fac14c61ae038afc (diff) | |
| download | gcc-62869a1ca1ddb89e9cb5c808bfe678979e4090f0.zip gcc-62869a1ca1ddb89e9cb5c808bfe678979e4090f0.tar.gz gcc-62869a1ca1ddb89e9cb5c808bfe678979e4090f0.tar.bz2 | |
tree-ssa-propagate.h (substitute_and_fold): Adjust prototype.
2016-10-18 Richard Biener <rguenther@suse.de>
* tree-ssa-propagate.h (substitute_and_fold): Adjust prototype.
* tree-ssa-propagate.c (ssa_prop_fini): Remove final BB_VISITED
clearing.
(substitute_and_fold_dom_walker): Adjust constructor.
(substitute_and_fold_dom_walker::before_dom_children): Remove
do_dce flag and handling (always true).
(substitute_and_fold): Likewise.
* tree-vrp.c (vrp_finalize): Adjust.
(execute_early_vrp): Remove final BB_VISITED clearing.
* tree-ssa-ccp.c (ccp_finalize): Adjust.
* tree-ssa-copy.c (fini_copy_prop): Likewise.
* ira.c (ira): Call clear_bb_flags.
From-SVN: r241296
Diffstat (limited to 'gcc/tree-ssa-propagate.c')
| -rw-r--r-- | gcc/tree-ssa-propagate.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/gcc/tree-ssa-propagate.c b/gcc/tree-ssa-propagate.c index 0f940cc..fbe7e13 100644 --- a/gcc/tree-ssa-propagate.c +++ b/gcc/tree-ssa-propagate.c @@ -479,9 +479,6 @@ ssa_prop_fini (void) free (cfg_order_to_bb); BITMAP_FREE (ssa_edge_worklist); uid_to_stmt.release (); - basic_block bb; - FOR_BB_BETWEEN (bb, ENTRY_BLOCK_PTR_FOR_FN (cfun), NULL, next_bb) - bb->flags &= ~BB_VISITED; } @@ -972,10 +969,9 @@ class substitute_and_fold_dom_walker : public dom_walker public: substitute_and_fold_dom_walker (cdi_direction direction, ssa_prop_get_value_fn get_value_fn_, - ssa_prop_fold_stmt_fn fold_fn_, - bool do_dce_) + ssa_prop_fold_stmt_fn fold_fn_) : dom_walker (direction), get_value_fn (get_value_fn_), - fold_fn (fold_fn_), do_dce (do_dce_), something_changed (false) + fold_fn (fold_fn_), something_changed (false) { stmts_to_remove.create (0); stmts_to_fixup.create (0); @@ -993,7 +989,6 @@ public: ssa_prop_get_value_fn get_value_fn; ssa_prop_fold_stmt_fn fold_fn; - bool do_dce; bool something_changed; vec<gimple *> stmts_to_remove; vec<gimple *> stmts_to_fixup; @@ -1012,8 +1007,7 @@ substitute_and_fold_dom_walker::before_dom_children (basic_block bb) tree res = gimple_phi_result (phi); if (virtual_operand_p (res)) continue; - if (do_dce - && res && TREE_CODE (res) == SSA_NAME) + if (res && TREE_CODE (res) == SSA_NAME) { tree sprime = get_value_fn (res); if (sprime @@ -1039,8 +1033,7 @@ substitute_and_fold_dom_walker::before_dom_children (basic_block bb) /* No point propagating into a stmt we have a value for we can propagate into all uses. Mark it for removal instead. */ tree lhs = gimple_get_lhs (stmt); - if (do_dce - && lhs && TREE_CODE (lhs) == SSA_NAME) + if (lhs && TREE_CODE (lhs) == SSA_NAME) { tree sprime = get_value_fn (lhs); if (sprime @@ -1180,8 +1173,7 @@ substitute_and_fold_dom_walker::before_dom_children (basic_block bb) bool substitute_and_fold (ssa_prop_get_value_fn get_value_fn, - ssa_prop_fold_stmt_fn fold_fn, - bool do_dce) + ssa_prop_fold_stmt_fn fold_fn) { gcc_assert (get_value_fn); @@ -1192,7 +1184,7 @@ substitute_and_fold (ssa_prop_get_value_fn get_value_fn, calculate_dominance_info (CDI_DOMINATORS); substitute_and_fold_dom_walker walker(CDI_DOMINATORS, - get_value_fn, fold_fn, do_dce); + get_value_fn, fold_fn); walker.walk (ENTRY_BLOCK_PTR_FOR_FN (cfun)); /* We cannot remove stmts during the BB walk, especially not release |