| Commit message (Collapse) | Author | Age | Files | Lines |
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* tree-flow.h: Adjust the prototype for remove_phi_node.
* lambda-code.c (perfect_nestify): Adjust a call to
remove_phi_node.
* tree-cfg.c
(remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
* tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
Likewise.
* tree-ssa-dce.c (remove_dead_phis): Likewise.
* tree-ssa-loop-ivopts.c (remove_statement): Likewise.
* tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
* tree-ssa.c (kill_redundant_phi_nodes): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95932 138bc75d-0d04-0410-961f-82ee72b054a4
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gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
Update copyright.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95931 138bc75d-0d04-0410-961f-82ee72b054a4
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calls to release_ssa_name and release_phi_node.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95835 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91608 138bc75d-0d04-0410-961f-82ee72b054a4
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"tree *" as the first argument.
* tree-flow.h: Update the prototype of add_phi_arg.
* lambda-code.c, tree-cfg.c, tree-into-ssa.c,
tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
tree-vectorizer.c: Update all call sites of add_phi_arg.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91307 138bc75d-0d04-0410-961f-82ee72b054a4
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with e->dest_idx.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91264 138bc75d-0d04-0410-961f-82ee72b054a4
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greater than PHI_ARG_CAPACITY.
(reserve_phi_args_for_new_edge): Initialize the new PHI
argument to NULL_TREE. Increment PHI_NUM_ARGS.
(add_phi_arg): Add a PHI argument to the slot given by
E->dest_idx.
(remove_phi_arg_num): Do not write to PHI_ARG_EDGE.
* tree-flow-inline (phi_arg_from_edge): Return E->dest_idx.
* tree-ssa.c (ssa_redirect_edge): Check for a missing PHI
argument by looking at PHI_ARG_DEF.
(verify_phi_args): Check for a missing PHI argument. Remove
the check for duplicate PHI arguments.
* tree.h (PHI_ARG_EDGE): Redefine in terms of EDGE_PRED.
(phi_arg_d): Remove e.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91097 138bc75d-0d04-0410-961f-82ee72b054a4
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capacity, to receive the return value of ideal_phi_node_len.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91091 138bc75d-0d04-0410-961f-82ee72b054a4
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(tree_cfg_hooks): Add tree_execute_on_growing_pred.
* tree-flow.h: Add a prototype for
reserve_phi_args_for_new_edge.
* tree-phinodes.c (reserve_phi_args_for_new_edge): New.
(add_phi_arg): Don't resize a PHI array.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91075 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-flow.h: Remove the corresponding prototype.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91037 138bc75d-0d04-0410-961f-82ee72b054a4
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Add a prototype for remove_phi_args.
* tree-phinodes.c (remove_phi_arg): Remove.
(remove_phi_args): New.
* tree-ssa.c (ssa_remove_edge): Call remove_phi_args instead
of remove_phi_arg.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91034 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-cfg.c (tree_make_forwarder_block, tree_duplicate_bb):
Use it.
* tree-flow.h: Add a prototype for phi_reverse.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90344 138bc75d-0d04-0410-961f-82ee72b054a4
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pointer to the last PHI node in the new PHI chain.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90173 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree.h: Remove the prototypes for make_phi_node.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90093 138bc75d-0d04-0410-961f-82ee72b054a4
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the PHI node currently in use.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90035 138bc75d-0d04-0410-961f-82ee72b054a4
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edge already exists.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89985 138bc75d-0d04-0410-961f-82ee72b054a4
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element that's being removed.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89984 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89867 138bc75d-0d04-0410-961f-82ee72b054a4
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(make_phi_node, resize_phi_node): Use it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89852 138bc75d-0d04-0410-961f-82ee72b054a4
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the whole PHI node.
* tree.h (tree_phi_node): Tell the garbage collector to chase
num_args arguments.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89844 138bc75d-0d04-0410-961f-82ee72b054a4
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triggers into gcc_assert.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89800 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89760 138bc75d-0d04-0410-961f-82ee72b054a4
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without any PHI arguments left. Make sure the argument that
we're supposed to remove exists at all.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89689 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-into-ssa.c (rewrite_into_ssa): Don't set it.
(rewrite_ssa_into_ssa): Likewise.
* tree-phinodes.c (create_phi_node): Access the number of
predecessor edges using EDGE_COUNT() and not num_preds.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@88308 138bc75d-0d04-0410-961f-82ee72b054a4
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Use gcc_assert, gcc_unreachable & internal_error instead of abort.
* timevar.c (timevar_push, timevar_pop, timevar_start,
timevar_stop): Likewise.
* toplev.c (default_pch_valid_p): Likewise.
* tracer.c (tail_duplicate): Likewise.
* tree-alias-common.c (get_alias_var_decl,
get_values_from_constructor, create_alias_var, delete_alias_vars,
empty_points_to_set, same_points_to_set, ptr_may_alias_var):
Likewise.
* tree.c (tree_size, make_node_stat, copy_node_stat,
build_int_cst_wide, integer_all_onesp, list_length, chainon,
tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
build_method_type_directly, decl_type_context, get_callee_fndecl,
get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
tree_fold_gcd): Likewise.
* tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
make_cond_expr_edges, group_case_labels, tree_merge_blocks,
cleanup_control_expr_graph, find_taken_edge,
find_taken_edge_switch_expr, phi_alternatives_equal,
is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
tree_split_edge, tree_verify_flow_info, thread_jumps,
tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
* tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
chrec_fold_multiply_poly_poly): Likewise.
* tree-complex.c (extract_component, expand_complex_division,
expand_complex_comparison, expand_complex_operations_1,
build_replicated_const, expand_vector_operations_1): Likewise.
* tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
build_classic_dir_vector): Likewise.
* tree-dfa.c (compute_immediate_uses_for_phi,
compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
* tree-dump.c (dequeue_and_dump): Likewise.
* tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
record_in_finally_tree, replace_goto_queue_1,
maybe_record_in_goto_queue, verify_norecord_switch_expr,
do_return_redirection): Likewise.
* tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
add_to_dst_predicate_list, find_phi_replacement_condition,
replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
Likewise.
* tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
initialize_inlined_parameters, declare_return_variable,
estimate_num_insns_1, expand_call_inline, expand_calls_inline,
optimize_inline_calls, copy_tree_r): Likewise.
* tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
* tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
tsi_split_statement_list_after, tsi_split_statement_list_before):
Likewise.
* tree-mudflap.c (mf_varname_tree): Likewise.
* tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
lookup_tramp_for_decl, convert_all_function_calls): Likewise.
* tree-optimize.c (tree_rest_of_compilation): Likewise.
* tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
Likewise.
* tree-phinodes.c (resize_phi_node, add_phi_arg,
remove_all_phi_nodes_for): Likewise.
* tree-pretty-print.c (op_prio, print_call_name): Likewise.
* tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
* tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
generate_one_element_ref, generate_element_copy,
generate_element_zero, scalarize_copy, scalarize_init,
scalarize_ldst): Likewise.
* tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
add_may_alias, add_pointed_to_expr, add_pointed_to_var,
collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
* tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
* tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
widen_bitfield, ccp_fold_builtin): Likewise.
* tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
replace_exp_1, propagate_tree_value): Likewise.
* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
* tree-ssa-dce.c (set_control_dependence_map_bit,
find_control_dependence, find_pdom, mark_operand_necessary,
mark_stmt_if_obviously_necessary,
mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
* tree-ssa-dom.c (dom_opt_initialize_block_local_data,
simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
eliminate_redundant_computations, avail_expr_eq): Likewise.
* tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
* tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
duplicate_blocks): Likewise.
* tree-ssa-loop-im.c (for_each_index, set_level,
is_call_clobbered_ref): Likewise.
* tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
peel_address, ptr_difference_cost, may_replace_final_value,
determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
rewrite_use, rewrite_uses): Likewise.
* tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
check_loop_closed_ssa_use): Likewise.
* tree-ssanames.c (make_ssa_name): Likewise.
* tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
get_stmt_operands, get_expr_operands, get_asm_expr_operands,
get_indirect_ref_operands, add_stmt_operand): Likewise.
* tree-ssa-pre.c (value_exists_in_set_bitmap,
value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
phi_translate, valid_in_set, compute_antic,
find_or_generate_expression, create_expression_by_pieces, insert_aux,
create_value_expr_from, eliminate): Likewise.
* tree-ssa-propagate.c (cfg_blocks_get): Likewise.
* tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
Likewise.
* tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
eliminate_tail_call): Likewise.
* tree-vectorizer.c (vect_create_index_for_array_ref,
vect_align_data_ref, vect_create_data_ref,
vect_create_destination_var, vect_get_vec_def_for_operand,
vect_finish_stmt_generation, vect_transform_stmt,
vect_transform_loop_bound, vect_transform_loop,
vect_analyze_operations): Likewise.
* tree-vn.c (vn_compute, set_value_handle, get_value_handle):
Likewise.
* tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
bsi_after_labels, bsi_last): Likewise.
* tree-ssa-live.c (var_union, change_partition_var,
create_ssa_var_map, calculate_live_on_entry, root_var_init,
type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
Likewise.
* tree-ssa-live.h (partition_is_global, live_entry_blocks,
tpa_find_tree): Likewise.
(register_ssa_partition_check): Declare.
(register_ssa_partition): use it.
* tree-ssa-live.c: Include errors.h.
(register_ssa_partition_check): New.
* tree-ssa-operands.c: Include errors.h.
* Makefile.in (tree-ssa-operands.o): Depend on errors.h.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87223 138bc75d-0d04-0410-961f-82ee72b054a4
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(tree-ssa-threadupdate.o): Add dependencies.
* tree-ssa-threadupdate.c: New file.
* tree-flow.h (incoming_edge_threaded): New flag in block annotation.
(rewrite_vars_out_of_ssa): Remove prototype.
(cleanup_tree_cfg): Returns a bool.
* tree.h (thread_through_all_blocks): Prototype.
* tree-outof-ssa.c (SSANORM_*): Move into here.
(remove_ssa_form): Now static.
(rewrite_vars_out_of_ssa): Kill.
* tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
* tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
(remove_ssa_form, register_partitions_for_vars): Kill declarations.
* tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
anything was changed.
* tree-phinodes.c (add_phi_arg): Get the block for the PHI
from the PHI's annotation rather than the edge associated with
the new argument.
* tree-ssa-dom.c (redirection_edges): Kill.
(redirect_edges_and_update_ssa_graph): Kill.
(tree_ssa_dominator_optimize): Do not reset forwardable flag
for blocks anymore. Do not initialize redirection_edges.
Call thread_through_all_blocks. Simplify code for cleanup
of the CFG and iterating. No longer call cleanup_tree_cfg
outside the iteration loop.
(thread_across_edge): No longer mess with forwardable blocks.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85721 138bc75d-0d04-0410-961f-82ee72b054a4
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(rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
Release SSA names that have been re-renamed.
* tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
variable.
* tree-ssa-alias.c (init_alias_info): If aliases have been
computed before, clear existing alias information.
(create_name_tags): Do no fixup PT_ANYTHING pointers.
If the new name tag for a pointer is different than the one it
had before, mark the old tag for renaming.
(replace_may_alias): New function.
(group_aliases): Call it.
(setup_pointers_and_addressables): Always call get_tmt_for.
(maybe_create_global_var): Don't create .GLOBAL_VAR more than
once.
(set_pt_anything): New local function.
(set_pt_malloc): New local function.
(merge_pointed_to_info): Don't merge pointed-to variables from
the original pointer if the destination is pointing to an
unknown location.
(add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
(add_pointed_to_var): Do not add a variable to the points-to
set if the pointer is already pointing to anywhere.
(collect_points_to_info_r): If the defining statement is a PHI
node, only merge pointed-to information if the argument has
already been visited.
(get_tmt_for): Only create a new tag if the pointer didn't
have one already.
(dump_alias_info): Emit more information.
(dump_points_to_info_for): Likewise.
* tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
try to get the annotation of an SSA_NAME.
* tree-ssa-operands.c (add_stmt_operand): Only check for empty
alias sets when checking is enabled.
* tree-ssa-pre.c (need_eh_cleanup): New local variable.
(eliminate): Mark basic blocks that will need
EH information cleaned up.
(init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
predecessor.
Initialize need_eh_cleanup.
(fini_pre): Call tree_purge_all_dead_eh_edges and
cleanup_tree_cfg if needed.
Free need_eh_cleanup.
* tree-ssa.c (verify_ssa_name): New function.
(verify_def): Call it.
Re-arrange to avoid printing too many error messages.
(verify_use): Likewise.
(verify_phi_args): Likewise.
(verify_flow_insensitive_alias_info): New function.
(verify_flow_sensitive_alias_info): New function.
(verify_alias_info): New function.
(verify_ssa): Call verify_alias_info.
Clear TREE_VISITED on all the SSA_NAMEs before scanning the
program.
Re-arrange to avoid printing too many error messages.
* tree-ssanames.c (make_ssa_name): Clear
SSA_NAME_IN_FREE_LIST.
(release_ssa_name): Never release a default definition.
(release_defs): New function.
* tree.h: Declare it.
* tree-ssa-dce.c (remove_dead_stmt): Call it.
* tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
If true, do a depth-first search. Do a breadht-first search,
otherwise.
(walk_use_def_chains): Add new argument IS_DFS.
Update all users.
* tree-flow.h (walk_use_def_chains): Update prototype.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@85052 138bc75d-0d04-0410-961f-82ee72b054a4
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* tree-cfg.c (tree_make_forwarder_block): Use SET_PHI_RESULT.
* tree-flow-inline.h (get_use_op_ptr): Return a use_operand_p.
(get_use_from_ptr, get_def_from_ptr): New. Return operand pointers.
(get_def_op_ptr): Return a def_operand_p instead of a 'tree *'.
(get_v_may_def_result_ptr): Return a def_operand_p.
(get_v_may_def_op_ptr, get_vuse_op_ptr): Return a use_operand_p.
(get_v_must_def_op_ptr): Return a def_operand_p.
(get_phi_result_ptr): New. Return a pointer to the result of a PHI.
(get_phi_arg_def_ptr): New. Return a pointer to an argument of a PHI.
(phi_element_for_edge): Remove.
* tree-flow.h (propagate_value, replace_exp): Change prototype.
(propagate_tree_value): Add new prototype.
(phi_element_for_edge): Remove prototype.
* tree-into-ssa.c (mark_def_sites): Use new operand types.
(prepare_operand_for_rename): Split into two functions.
(prepare_use_operand_for_rename): Prepare use operands.
(prepare_def_operand_for_rename): Prepare def operands.
(rewrite_stmt): Use new operand types.
(rewrite_operand): Use new operand types, change parameter type.
* tree-outof-ssa.c (replace_variable): Split into two functions.
(replace_use_variable): Rewrite uses.
(replace_def_variable): Rewrite defs.
(rewrite_trees, rewrite_vars_out_of_ssa): Use new operand types.
* tree-phinodes.c (make_phi_node, resize_phi_node): Use new types.
(add_phi_arg, remove_phi_arg_num): Use new operand types.
* tree-ssa-ccp.c (substitute_and_fold): Use new operand types.
(ccp_fold, replace_uses_in): Use new operand types.
* tree-ssa-copy.c (replace_ssa_names): Rename to replace_ssa_names_ann
and no longer set the value, change parameter type.
(replace_exp_1): Use new operand types.
(propagate_value): Change parameter type, use new operand types.
(propagate_tree_value): Propagate_value without SSA operands.
(replace_exp, cprop_operand, cprop_into_stmt): Use new operand types.
(cprop_into_successor_phis): Use new operand types.
* tree-ssa-dom.c (thread_across_edge): Use new operand types.
(eliminate_redundant_computations): Use new operand types.
* tree-ssa-dse.c (fix_phi_uses): Use new operand_types.
(fix_stmt_v_may_defs): Use new operand_types.
* tree-ssa-live.c (create_ssa_var_map): Use new operand_types.
(build_tree_conflict_graph): Use new operand_types.
* tree-ssa-loop.c (duplicate_blocks): Use PHI_ARG_DEF_FROM_EDGE.
* tree-ssa-operands.c (struct freelist_d): Remove.
(check_optype_freelist, add_optype_freelist): Remove.
(allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
allocate_vuse_optype, allocate_v_must_def_optype): Call ggc_alloc.
(free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
Call ggc_free instead of add_optype_freelist.
(init_ssa_operands, fini_ssa_operands): Remove free list code.
(finalize_ssa_defs, finalize_ssa_uses): Set new use/def operands.
* tree-ssa-operands.h (struct def_optype_d): Change underlying type.
(struct use_optype_d): Change underlying type.
(def_operand_p, use_operand_p): New types for pointers to operands.
(USE_OP, DEF_OP, V_MAY_DEF_RESULT, V_MAY_DEF_OP, VUSE_OP,
V_MUST_DEF_OP): Use new pointer type instead of dereferencing directly.
(USE_FROM_PTR, DEF_FROM_PTR): New macros to "dereference" operand
pointer types.
(SET_USE, SET_DEF): New macros to set operands from their pointer.
(SET_USE_OP, SET_DEF_OP, SET_V_MAY_DEF_RESULT, SET_V_MAY_DEF_OP,
SET_VUSE_OP, SET_V_MUST_DEF_OP): New SET routines for operands.
(PHI_RESULT_PTR, PHI_RESULT, SET_PHI_RESULT): Macros to manage the
PHI result as an operand.
(PHI_ARG_DEF_PTR, PHI_ARG_DEF, SET_PHI_ARG_DEF, PHI_ARG_DEF_FROM_EDGE,
PHI_ARG_DEF_PTR_FROM_EDGE): Macros to manage the PHI arguments.
* tree-ssa-pre.c (eliminate): Call propagate_tree_value.
* tree-tailcall.c (independent_of_stmt_p, propagate_through_phis): Use
PHI_ARG_DEF_FROM_EDGE.
* tree.h (PHI_RESULT): Renamed to PHI_RESULT_TREE.
(PHI_ARG_DEF): Renamed to PHI_ARG_DEF_TREE.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83298 138bc75d-0d04-0410-961f-82ee72b054a4
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* (tree-cfg.c, tree-dfa.c, tree-flow-inline.h, tree-into-ssa.c,
tree-outof-ssa.c, tree-phinodes.c, tree-pretty-print.c,
tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dom.c, tree-ssa-dse.c,
tree-ssa-live.c, tree-ssa-loop.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
tree-ssa.c, tree-tailcall.c): Use PHI_CHAIN instead of TREE_CHAIN
when traversing a list of PHI_NODEs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@83273 138bc75d-0d04-0410-961f-82ee72b054a4
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c-incpath.c, cgraphunit.c, ddg.c, defaults.h, dwarf2out.c,
expmed.c, flags.h, gcc.c, gensupport.c, gimplify.c, global.c,
passes.c, reg-stack.c, target.h, toplev.c, tree-alias-ander.c,
tree-alias-common.c, tree-cfg.c, tree-complex.c, tree-dfa.c,
tree-eh.c, tree-mudflap.c, tree-mudflap.h, tree-outof-ssa.c,
tree-phinodes.c, tree-pretty-print.c, tree-ssa-alias.c,
tree-ssa-ccp.c, tree-ssa-live.c, tree-ssa-live.h,
tree-ssa-pre.c, tree.h, value-prof.h, varasm.c: Fix comment
formatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@82463 138bc75d-0d04-0410-961f-82ee72b054a4
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* flags.h (flag_delete_null_pointer_checks): Here.
* tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
* tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
(add_phi_arg, remove_phi_arg_num): Similarly.
* tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
property into PHI nodes.
* tree-ssa-dom.c: Remove redundant inclusion of flags.h.
(record_equivalences_from_phis): If all PHI arguments are known to be
nonzero, then the result must be nonzero as well.
(cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
appropriately. Walk the USE-DEF chains and propagate nonzero property
as appropriate.
* tree.h (PHI_ARG_NONZERO): Define.
(phi_arg_d): Add nonzero flag.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81968 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4
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