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tree-dfa.c (referenced_var_lookup): Remove. 

2012-08-02  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (referenced_var_lookup): Remove.
	(find_referenced_vars): Remove.
	(pass_referenced_vars): Likewise.
	(make_rename_temp): Do not add referenced vars.
	(dump_referenced_vars): Remove.
	(debug_referenced_vars): Likewise.
	(dump_dfa_stats): Do not dump referenced var stats.
	(find_vars_r): Remove.
	(find_referenced_vars_in): Likewise.
	(referenced_var_check_and_insert): Likewise.
	(add_referenced_var_1): Likewise.
	(remove_referenced_var): Likewise.
	* tree-flow.h (referenced_var_lookup): Likewise.
	(struct gimple_df): Remove referenced_vars member.
	(typedef referenced_var_iterator): Remove.
	(FOR_EACH_REFERENCED_VAR): Likewise.
	(num_referenced_vars): Likewise.
	(debug_referenced_vars, dump_referenced_vars): Likewise.
	(add_referenced_var_1, add_referenced_var): Likewise.
	(remove_referenced_var): Likewise.
	(find_referenced_vars_in): Likewise.
	* tree-flow-inline.h (gimple_referenced_vars): Remove.
	(first_referenced_var): Likewise.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	* cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
	* gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
	unconditionally.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(pass_build_ssa): Do not require PROP_referenced_vars.
	* tree-ssa.c (target_for_debug_bind): Virtual operands are
	not suitable, but all register type vars are.
	(init_tree_ssa): Do not allocate referenced vars.
	(delete_tree_ssa): Do not free referenced vars.
	* cgraphunit.c (init_lowered_empty_function): Do not set
	PROP_referenced_vars.
	(assemble_thunk): Do not add referenced vars.
	* gimple-fold.c (canonicalize_constructor_val): Likewise.
	(gimplify_and_update_call_from_tree): Likewise.
	* gimple-streamer-in.c (input_bb): Likewise.
	* passes.c (init_optimization_passes): Do not run
	pass_referenced_vars.
	(dump_properties): Do not dump PROP_referenced_vars.
	* tree-inline.c (remap_decl): Do not add referenced vars.
	(remap_gimple_op_r): Likewise.
	(copy_tree_body_r): Likewise.
	(copy_bb): Likewise.
	(setup_one_parameter): Likewise.
	(declare_return_variable): Likewise.
	(copy_decl_for_dup_finish): Likewise.
	(copy_arguments_for_versioning): Likewise.
	(tree_function_versioning): Likewise.
	* tree-pass.h (PROP_referenced_vars): Remove.
	(pass_referenced_vars): Likewise.
	* tree-profile.c (gimple_gen_edge_profiler): Do not add referenced vars.
	(gimple_gen_interval_profiler): Likewise.
	(gimple_gen_pow2_profiler): Likewise.
	(gimple_gen_one_value_profiler): Likewise.
	(gimple_gen_ic_profiler): Likewise.
	(gimple_gen_average_profiler): Likewise.
	(gimple_gen_ior_profiler): Likewise.
	* tree-ssa-live.c (remove_unused_locals): Do not touch referenced vars.
	* tree-cfg.c (replace_ssa_name): Do not add referenced vars.
	(move_stmt_op): Likewise.
	* tree-ssa-operands.c (create_vop_var): Likewise.
	* gimple-low.c (record_vars_into): Likewise.
	* gimplify.c (gimple_regimplify_operands): Likewise.
	(force_gimple_operand_1): Likewise.
	* omp-low.c (expand_omp_for_generic): Likewise.
	(expand_omp_for_static_chunk): Likewise.
	(expand_omp_atomic_pipeline): Likewise.
	* graphite-clast-to-gimple.c (graphite_create_new_loop): Likewise.
	(translate_clast_assignment): Likewise.
	* graphite-sese-to-poly.c (create_zero_dim_array): Likewise.
	(handle_scalar_deps_crossing_scop_limits): Likewise.
	* ipa-prop.c (ipa_modify_formal_parameters): Likewise.
	* ipa-split.c (split_function): Likewise.
	* matrix-reorg.c (transform_access_sites): Likewise.
	* trans-mem.c (tm_log_add): Likewise.
	(ipa_tm_insert_gettmclone_call): Likewise.
	* tree-complex.c (create_one_component_var): Likewise.
	* tree-if-conv.c (ifc_temp_var): Likewise.
	* tree-parloops.c (take_address_of): Likewise.
	(initialize_reductions): Likewise.
	(separate_decls_in_region_name): Likewise.
	(create_call_for_reduction_1): Likewise.
	(separate_decls_in_region): Likewise.
	* tree-predcom.c (predcom_tmp_var): Likewise.
	(reassociate_to_the_same_stmt): Likewise.
	* tree-sra.c (build_ref_for_offset): Likewise.
	(create_access_replacement): Likewise.
	(get_replaced_param_substitute): Likewise.
	(sra_ipa_reset_debug_stmts): Likewise.
	* tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
	(rewrite_bittest): Likewise.
	* tree-ssa-loop-ivopts.c (create_new_iv): Likewise.
	* tree-ssa-loop-manip.c (create_iv): Likewise.
	(tree_transform_and_unroll_loop): Likewise.
	* tree-ssa-math-opts.c (powi_as_mults): Likewise.
	(build_and_insert_call): Likewise.
	(gimple_expand_builtin_cabs): Likewise.
	(execute_optimize_bswap): Likewise.
	* tree-ssa-phiopt.c (conditional_replacement): Likewise.
	(abs_replacement): Likewise.
	(cond_store_replacement): Likewise.
	(cond_if_else_store_replacement_1): Likewise.
	* tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
	* tree-ssa-pre.c (get_representative_for): Likewise.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Likewise.
	* tree-ssa-propagate.c (update_call_from_tree): Likewise.
	* tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
	(eliminate_redundant_comparison): Likewise.
	(rewrite_expr_tree_parallel): Likewise.
	(get_reassoc_pow_ssa_name): Likewise.
	* tree-ssa-strlen.c (get_string_length): Likewise.
	* tree-switch-conversion.c (emit_case_bit_tests): Likewise.
	(build_arrays): Likewise.
	* tree-tailcall.c (adjust_return_value_with_ops): Likewise.
	(create_tailcall_accumulator): Likewise.
	* tree-vect-data-refs.c (vect_get_new_vect_var): Likewise.
	(vect_create_addr_base_for_vector_ref): Likewise.
	(vect_permute_store_chain): Likewise.
	(vect_permute_load_chain): Likewise.
	* tree-vect-generic.c (expand_vector_divmod): Likewise.
	* tree-vect-loop-manip.c (set_prologue_iterations): Likewise.
	(vect_build_loop_niters): Likewise.
	(vect_generate_tmps_on_preheader): Likewise.
	(vect_update_ivs_after_vectorizer): Likewise.
	(vect_gen_niters_for_prolog_loop): Likewise.
	(vect_do_peeling_for_alignment): Likewise.
	(vect_create_cond_for_align_checks): Likewise.
	* tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
	(vect_handle_widen_op_by_const): Likewise.
	(vect_operation_fits_smaller_type): Likewise.
	(vect_recog_over_widening_pattern): Likewise.
	* tree-vect-stmts.c (vect_init_vector): Likewise.

	* gcc.dg/torture/pta-callused-1.c: Adjust.
	* gcc.dg/torture/pta-ptrarith-3.c: Likewise.
	* gcc.dg/torture/ssa-pta-fn-1.c: Likewise.
	* gcc.dg/tree-ssa/alias-19.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-1.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-2.c: Likewise.
	* gcc.dg/tree-ssa/pta-escape-3.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-1.c: Likewise.
	* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.

From-SVN: r190067
This commit is contained in:
Richard Guenther 2012-08-02 08:14:54 +00:00 committed by Richard Biener
parent e7206ab1c3
commit 46eb666a79
59 changed files with 188 additions and 596 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

140
gcc/ChangeLog
View File

@ -1,3 +1,143 @@
2012-08-02 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (referenced_var_lookup): Remove.
(find_referenced_vars): Remove.
(pass_referenced_vars): Likewise.
(make_rename_temp): Do not add referenced vars.
(dump_referenced_vars): Remove.
(debug_referenced_vars): Likewise.
(dump_dfa_stats): Do not dump referenced var stats.
(find_vars_r): Remove.
(find_referenced_vars_in): Likewise.
(referenced_var_check_and_insert): Likewise.
(add_referenced_var_1): Likewise.
(remove_referenced_var): Likewise.
* tree-flow.h (referenced_var_lookup): Likewise.
(struct gimple_df): Remove referenced_vars member.
(typedef referenced_var_iterator): Remove.
(FOR_EACH_REFERENCED_VAR): Likewise.
(num_referenced_vars): Likewise.
(debug_referenced_vars, dump_referenced_vars): Likewise.
(add_referenced_var_1, add_referenced_var): Likewise.
(remove_referenced_var): Likewise.
(find_referenced_vars_in): Likewise.
* tree-flow-inline.h (gimple_referenced_vars): Remove.
(first_referenced_var): Likewise.
(end_referenced_vars_p): Likewise.
(next_referenced_var): Likewise.
* cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
* gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
unconditionally.
* tree-into-ssa.c (dump_decl_set): Likewise.
(pass_build_ssa): Do not require PROP_referenced_vars.
* tree-ssa.c (target_for_debug_bind): Virtual operands are
not suitable, but all register type vars are.
(init_tree_ssa): Do not allocate referenced vars.
(delete_tree_ssa): Do not free referenced vars.
* cgraphunit.c (init_lowered_empty_function): Do not set
PROP_referenced_vars.
(assemble_thunk): Do not add referenced vars.
* gimple-fold.c (canonicalize_constructor_val): Likewise.
(gimplify_and_update_call_from_tree): Likewise.
* gimple-streamer-in.c (input_bb): Likewise.
* passes.c (init_optimization_passes): Do not run
pass_referenced_vars.
(dump_properties): Do not dump PROP_referenced_vars.
* tree-inline.c (remap_decl): Do not add referenced vars.
(remap_gimple_op_r): Likewise.
(copy_tree_body_r): Likewise.
(copy_bb): Likewise.
(setup_one_parameter): Likewise.
(declare_return_variable): Likewise.
(copy_decl_for_dup_finish): Likewise.
(copy_arguments_for_versioning): Likewise.
(tree_function_versioning): Likewise.
* tree-pass.h (PROP_referenced_vars): Remove.
(pass_referenced_vars): Likewise.
* tree-profile.c (gimple_gen_edge_profiler): Do not add referenced vars.
(gimple_gen_interval_profiler): Likewise.
(gimple_gen_pow2_profiler): Likewise.
(gimple_gen_one_value_profiler): Likewise.
(gimple_gen_ic_profiler): Likewise.
(gimple_gen_average_profiler): Likewise.
(gimple_gen_ior_profiler): Likewise.
* tree-ssa-live.c (remove_unused_locals): Do not touch referenced vars.
* tree-cfg.c (replace_ssa_name): Do not add referenced vars.
(move_stmt_op): Likewise.
* tree-ssa-operands.c (create_vop_var): Likewise.
* gimple-low.c (record_vars_into): Likewise.
* gimplify.c (gimple_regimplify_operands): Likewise.
(force_gimple_operand_1): Likewise.
* omp-low.c (expand_omp_for_generic): Likewise.
(expand_omp_for_static_chunk): Likewise.
(expand_omp_atomic_pipeline): Likewise.
* graphite-clast-to-gimple.c (graphite_create_new_loop): Likewise.
(translate_clast_assignment): Likewise.
* graphite-sese-to-poly.c (create_zero_dim_array): Likewise.
(handle_scalar_deps_crossing_scop_limits): Likewise.
* ipa-prop.c (ipa_modify_formal_parameters): Likewise.
* ipa-split.c (split_function): Likewise.
* matrix-reorg.c (transform_access_sites): Likewise.
* trans-mem.c (tm_log_add): Likewise.
(ipa_tm_insert_gettmclone_call): Likewise.
* tree-complex.c (create_one_component_var): Likewise.
* tree-if-conv.c (ifc_temp_var): Likewise.
* tree-parloops.c (take_address_of): Likewise.
(initialize_reductions): Likewise.
(separate_decls_in_region_name): Likewise.
(create_call_for_reduction_1): Likewise.
(separate_decls_in_region): Likewise.
* tree-predcom.c (predcom_tmp_var): Likewise.
(reassociate_to_the_same_stmt): Likewise.
* tree-sra.c (build_ref_for_offset): Likewise.
(create_access_replacement): Likewise.
(get_replaced_param_substitute): Likewise.
(sra_ipa_reset_debug_stmts): Likewise.
* tree-ssa-loop-im.c (rewrite_reciprocal): Likewise.
(rewrite_bittest): Likewise.
* tree-ssa-loop-ivopts.c (create_new_iv): Likewise.
* tree-ssa-loop-manip.c (create_iv): Likewise.
(tree_transform_and_unroll_loop): Likewise.
* tree-ssa-math-opts.c (powi_as_mults): Likewise.
(build_and_insert_call): Likewise.
(gimple_expand_builtin_cabs): Likewise.
(execute_optimize_bswap): Likewise.
* tree-ssa-phiopt.c (conditional_replacement): Likewise.
(abs_replacement): Likewise.
(cond_store_replacement): Likewise.
(cond_if_else_store_replacement_1): Likewise.
* tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
* tree-ssa-pre.c (get_representative_for): Likewise.
(create_expression_by_pieces): Likewise.
(insert_into_preds_of_block): Likewise.
* tree-ssa-propagate.c (update_call_from_tree): Likewise.
* tree-ssa-reassoc.c (undistribute_ops_list): Likewise.
(eliminate_redundant_comparison): Likewise.
(rewrite_expr_tree_parallel): Likewise.
(get_reassoc_pow_ssa_name): Likewise.
* tree-ssa-strlen.c (get_string_length): Likewise.
* tree-switch-conversion.c (emit_case_bit_tests): Likewise.
(build_arrays): Likewise.
* tree-tailcall.c (adjust_return_value_with_ops): Likewise.
(create_tailcall_accumulator): Likewise.
* tree-vect-data-refs.c (vect_get_new_vect_var): Likewise.
(vect_create_addr_base_for_vector_ref): Likewise.
(vect_permute_store_chain): Likewise.
(vect_permute_load_chain): Likewise.
* tree-vect-generic.c (expand_vector_divmod): Likewise.
* tree-vect-loop-manip.c (set_prologue_iterations): Likewise.
(vect_build_loop_niters): Likewise.
(vect_generate_tmps_on_preheader): Likewise.
(vect_update_ivs_after_vectorizer): Likewise.
(vect_gen_niters_for_prolog_loop): Likewise.
(vect_do_peeling_for_alignment): Likewise.
(vect_create_cond_for_align_checks): Likewise.
* tree-vect-patterns.c (vect_recog_temp_ssa_var): Likewise.
(vect_handle_widen_op_by_const): Likewise.
(vect_operation_fits_smaller_type): Likewise.
(vect_recog_over_widening_pattern): Likewise.
* tree-vect-stmts.c (vect_init_vector): Likewise.
2012-08-01 Alexandre Oliva <aoliva@redhat.com> 2012-08-01 Alexandre Oliva <aoliva@redhat.com>
PR debug/52983 PR debug/52983

7
gcc/cfgexpand.c
View File

@ -620,13 +620,6 @@ update_alias_info_with_stack_vars (void)
{ {
tree decl = stack_vars[j].decl; tree decl = stack_vars[j].decl;
unsigned int uid = DECL_PT_UID (decl); unsigned int uid = DECL_PT_UID (decl);
/* We should never end up partitioning SSA names (though they
may end up on the stack). Neither should we allocate stack
space to something that is unused and thus unreferenced, except
for -O0 where we are preserving even unreferenced variables. */
gcc_assert (DECL_P (decl)
&& (!optimize
|| referenced_var_lookup (cfun, DECL_UID (decl))));
bitmap_set_bit (part, uid); bitmap_set_bit (part, uid);
*((bitmap *) pointer_map_insert (decls_to_partitions, *((bitmap *) pointer_map_insert (decls_to_partitions,
(void *)(size_t) uid)) = part; (void *)(size_t) uid)) = part;

9
gcc/cgraphunit.c
View File

@ -1228,8 +1228,7 @@ init_lowered_empty_function (tree decl)
DECL_SAVED_TREE (decl) = error_mark_node; DECL_SAVED_TREE (decl) = error_mark_node;
cfun->curr_properties |= cfun->curr_properties |=
(PROP_gimple_lcf | PROP_gimple_leh | PROP_cfg | PROP_referenced_vars | (PROP_gimple_lcf | PROP_gimple_leh | PROP_cfg | PROP_ssa | PROP_gimple_any);
PROP_ssa | PROP_gimple_any);
/* Create BB for body of the function and connect it properly. */ /* Create BB for body of the function and connect it properly. */
bb = create_basic_block (NULL, (void *) 0, ENTRY_BLOCK_PTR); bb = create_basic_block (NULL, (void *) 0, ENTRY_BLOCK_PTR);
@ -1454,12 +1453,8 @@ assemble_thunk (struct cgraph_node *node)
virtual_offset)); virtual_offset));
else else
VEC_quick_push (tree, vargs, a); VEC_quick_push (tree, vargs, a);
add_referenced_var (a);
for (i = 1, arg = DECL_CHAIN (a); i < nargs; i++, arg = DECL_CHAIN (arg)) for (i = 1, arg = DECL_CHAIN (a); i < nargs; i++, arg = DECL_CHAIN (arg))
{ VEC_quick_push (tree, vargs, arg);
add_referenced_var (arg);
VEC_quick_push (tree, vargs, arg);
}
call = gimple_build_call_vec (build_fold_addr_expr_loc (0, alias), vargs); call = gimple_build_call_vec (build_fold_addr_expr_loc (0, alias), vargs);
VEC_free (tree, heap, vargs); VEC_free (tree, heap, vargs);
gimple_call_set_from_thunk (call, true); gimple_call_set_from_thunk (call, true);

10
gcc/gimple-fold.c
View File

@ -169,12 +169,7 @@ canonicalize_constructor_val (tree cval, tree from_decl)
&& !can_refer_decl_in_current_unit_p (base, from_decl)) && !can_refer_decl_in_current_unit_p (base, from_decl))
return NULL_TREE; return NULL_TREE;
if (TREE_CODE (base) == VAR_DECL) if (TREE_CODE (base) == VAR_DECL)
{ TREE_ADDRESSABLE (base) = 1;
TREE_ADDRESSABLE (base) = 1;
if (cfun && gimple_referenced_vars (cfun)
&& !is_global_var (base))
add_referenced_var (base);
}
else if (TREE_CODE (base) == FUNCTION_DECL) else if (TREE_CODE (base) == FUNCTION_DECL)
{ {
/* Make sure we create a cgraph node for functions we'll reference. /* Make sure we create a cgraph node for functions we'll reference.
@ -653,9 +648,6 @@ gimplify_and_update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
for (i = gsi_start (stmts); !gsi_end_p (i); gsi_next (&i)) for (i = gsi_start (stmts); !gsi_end_p (i); gsi_next (&i))
{ {
new_stmt = gsi_stmt (i); new_stmt = gsi_stmt (i);
/* The replacement can expose previously unreferenced variables. */
if (gimple_in_ssa_p (cfun))
find_referenced_vars_in (new_stmt);
/* If the new statement possibly has a VUSE, update it with exact SSA /* If the new statement possibly has a VUSE, update it with exact SSA
name we know will reach this one. */ name we know will reach this one. */
if (gimple_has_mem_ops (new_stmt)) if (gimple_has_mem_ops (new_stmt))

2
gcc/gimple-low.c
View File

@ -1009,8 +1009,6 @@ record_vars_into (tree vars, tree fn)
/* Record the variable. */ /* Record the variable. */
add_local_decl (cfun, var); add_local_decl (cfun, var);
if (gimple_referenced_vars (cfun))
add_referenced_var (var);
} }
if (fn != current_function_decl) if (fn != current_function_decl)

17
gcc/gimple-pretty-print.c
View File

@ -597,21 +597,8 @@ pp_points_to_solution (pretty_printer *buffer, struct pt_solution *pt)
pp_string (buffer, "{ "); pp_string (buffer, "{ ");
EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi) EXECUTE_IF_SET_IN_BITMAP (pt->vars, 0, i, bi)
{ {
tree var = referenced_var_lookup (cfun, i); pp_string (buffer, "D.");
if (var) pp_decimal_int (buffer, i);
{
dump_generic_node (buffer, var, 0, dump_flags, false);
if (DECL_PT_UID (var) != DECL_UID (var))
{
pp_string (buffer, "ptD.");
pp_decimal_int (buffer, DECL_PT_UID (var));
}
}
else
{
pp_string (buffer, "D.");
pp_decimal_int (buffer, i);
}
pp_character (buffer, ' '); pp_character (buffer, ' ');
} }
pp_character (buffer, '}'); pp_character (buffer, '}');

5
gcc/gimple-streamer-in.c
View File

@ -310,8 +310,6 @@ input_bb (struct lto_input_block *ib, enum LTO_tags tag,
while (tag) while (tag)
{ {
gimple stmt = input_gimple_stmt (ib, data_in, fn, tag); gimple stmt = input_gimple_stmt (ib, data_in, fn, tag);
if (!is_gimple_debug (stmt))
find_referenced_vars_in (stmt);
gsi_insert_after (&bsi, stmt, GSI_NEW_STMT); gsi_insert_after (&bsi, stmt, GSI_NEW_STMT);
/* After the statement, expect a 0 delimiter or the EH region /* After the statement, expect a 0 delimiter or the EH region
@ -332,8 +330,7 @@ input_bb (struct lto_input_block *ib, enum LTO_tags tag,
tag = streamer_read_record_start (ib); tag = streamer_read_record_start (ib);
while (tag) while (tag)
{ {
gimple phi = input_phi (ib, bb, data_in, fn); input_phi (ib, bb, data_in, fn);
find_referenced_vars_in (phi);
tag = streamer_read_record_start (ib); tag = streamer_read_record_start (ib);
} }
} }

11
gcc/gimplify.c
View File

@ -8363,7 +8363,7 @@ void
gimple_regimplify_operands (gimple stmt, gimple_stmt_iterator *gsi_p) gimple_regimplify_operands (gimple stmt, gimple_stmt_iterator *gsi_p)
{ {
size_t i, num_ops; size_t i, num_ops;
tree orig_lhs = NULL_TREE, lhs, t; tree orig_lhs = NULL_TREE, lhs;
gimple_seq pre = NULL; gimple_seq pre = NULL;
gimple post_stmt = NULL; gimple post_stmt = NULL;
struct gimplify_ctx gctx; struct gimplify_ctx gctx;
@ -8522,10 +8522,6 @@ gimple_regimplify_operands (gimple stmt, gimple_stmt_iterator *gsi_p)
break; break;
} }
if (gimple_referenced_vars (cfun))
for (t = gimplify_ctxp->temps; t ; t = TREE_CHAIN (t))
add_referenced_var (t);
if (!gimple_seq_empty_p (pre)) if (!gimple_seq_empty_p (pre))
gsi_insert_seq_before (gsi_p, pre, GSI_SAME_STMT); gsi_insert_seq_before (gsi_p, pre, GSI_SAME_STMT);
if (post_stmt) if (post_stmt)
@ -8542,7 +8538,6 @@ tree
force_gimple_operand_1 (tree expr, gimple_seq *stmts, force_gimple_operand_1 (tree expr, gimple_seq *stmts,
gimple_predicate gimple_test_f, tree var) gimple_predicate gimple_test_f, tree var)
{ {
tree t;
enum gimplify_status ret; enum gimplify_status ret;
struct gimplify_ctx gctx; struct gimplify_ctx gctx;
@ -8574,10 +8569,6 @@ force_gimple_operand_1 (tree expr, gimple_seq *stmts,
gcc_assert (ret != GS_ERROR); gcc_assert (ret != GS_ERROR);
} }
if (gimple_referenced_vars (cfun))
for (t = gimplify_ctxp->temps; t ; t = DECL_CHAIN (t))
add_referenced_var (t);
pop_gimplify_context (NULL); pop_gimplify_context (NULL);
return expr; return expr;

3
gcc/graphite-clast-to-gimple.c
View File

@ -949,8 +949,6 @@ graphite_create_new_loop (edge entry_edge, struct clast_for *stmt,
(entry_edge, lb, stride, ub, ivvar, &iv, &iv_after_increment, (entry_edge, lb, stride, ub, ivvar, &iv, &iv_after_increment,
outer ? outer : entry_edge->src->loop_father); outer ? outer : entry_edge->src->loop_father);
add_referenced_var (ivvar);
mpz_init (low); mpz_init (low);
mpz_init (up); mpz_init (up);
compute_bounds_for_loop (stmt, low, up); compute_bounds_for_loop (stmt, low, up);
@ -1221,7 +1219,6 @@ translate_clast_assignment (struct clast_assignment *stmt, edge next_e,
var = create_tmp_var (type, "graphite_var"); var = create_tmp_var (type, "graphite_var");
new_name = force_gimple_operand (clast_to_gcc_expression (type, expr, ip), new_name = force_gimple_operand (clast_to_gcc_expression (type, expr, ip),
&stmts, true, var); &stmts, true, var);
add_referenced_var (var);
if (stmts) if (stmts)
{ {
gsi_insert_seq_on_edge (next_e, stmts); gsi_insert_seq_on_edge (next_e, stmts);

3
gcc/graphite-sese-to-poly.c
View File

@ -2100,8 +2100,6 @@ create_zero_dim_array (tree var, const char *base_name)
tree array_type = build_array_type (elt_type, index_type); tree array_type = build_array_type (elt_type, index_type);
tree base = create_tmp_var (array_type, base_name); tree base = create_tmp_var (array_type, base_name);
add_referenced_var (base);
return build4 (ARRAY_REF, elt_type, base, integer_zero_node, NULL_TREE, return build4 (ARRAY_REF, elt_type, base, integer_zero_node, NULL_TREE,
NULL_TREE); NULL_TREE);
} }
@ -2405,7 +2403,6 @@ handle_scalar_deps_crossing_scop_limits (scop_p scop, tree def, gimple stmt)
gimple assign = gimple_build_assign (new_name, def); gimple assign = gimple_build_assign (new_name, def);
gimple_stmt_iterator psi = gsi_after_labels (SESE_EXIT (region)->dest); gimple_stmt_iterator psi = gsi_after_labels (SESE_EXIT (region)->dest);
add_referenced_var (var);
SSA_NAME_DEF_STMT (new_name) = assign; SSA_NAME_DEF_STMT (new_name) = assign;
update_stmt (assign); update_stmt (assign);
gsi_insert_before (&psi, assign, GSI_SAME_STMT); gsi_insert_before (&psi, assign, GSI_SAME_STMT);

1
gcc/ipa-prop.c
View File

@ -2355,7 +2355,6 @@ ipa_modify_formal_parameters (tree fndecl, ipa_parm_adjustment_vec adjustments,
DECL_IGNORED_P (new_parm) = 1; DECL_IGNORED_P (new_parm) = 1;
layout_decl (new_parm, 0); layout_decl (new_parm, 0);
add_referenced_var (new_parm);
adj->base = parm; adj->base = parm;
adj->reduction = new_parm; adj->reduction = new_parm;

1
gcc/ipa-split.c
View File

@ -1083,7 +1083,6 @@ split_function (struct split_point *split_point)
{ {
/* This parm might not have been used up to now, but is going to be /* This parm might not have been used up to now, but is going to be
used, hence register it. */ used, hence register it. */
add_referenced_var (parm);
if (is_gimple_reg (parm)) if (is_gimple_reg (parm))
{ {
arg = gimple_default_def (cfun, parm); arg = gimple_default_def (cfun, parm);

1
gcc/matrix-reorg.c
View File

@ -1833,7 +1833,6 @@ transform_access_sites (void **slot, void *data ATTRIBUTE_UNUSED)
== MEM_REF); == MEM_REF);
/* Emit convert statement to convert to type of use. */ /* Emit convert statement to convert to type of use. */
tmp = create_tmp_var (TREE_TYPE (lhs), "new"); tmp = create_tmp_var (TREE_TYPE (lhs), "new");
add_referenced_var (tmp);
rhs = gimple_assign_rhs1 (acc_info->stmt); rhs = gimple_assign_rhs1 (acc_info->stmt);
rhs = fold_convert (TREE_TYPE (tmp), rhs = fold_convert (TREE_TYPE (tmp),
TREE_OPERAND (rhs, 0)); TREE_OPERAND (rhs, 0));

14
gcc/omp-low.c
View File

@ -3732,11 +3732,6 @@ expand_omp_for_generic (struct omp_region *region,
iend0 = create_tmp_var (fd->iter_type, ".iend0"); iend0 = create_tmp_var (fd->iter_type, ".iend0");
TREE_ADDRESSABLE (istart0) = 1; TREE_ADDRESSABLE (istart0) = 1;
TREE_ADDRESSABLE (iend0) = 1; TREE_ADDRESSABLE (iend0) = 1;
if (gimple_referenced_vars (cfun))
{
add_referenced_var (istart0);
add_referenced_var (iend0);
}
/* See if we need to bias by LLONG_MIN. */ /* See if we need to bias by LLONG_MIN. */
if (fd->iter_type == long_long_unsigned_type_node if (fd->iter_type == long_long_unsigned_type_node
@ -4458,7 +4453,6 @@ expand_omp_for_static_chunk (struct omp_region *region, struct omp_for_data *fd)
trip_var = create_tmp_reg (itype, ".trip"); trip_var = create_tmp_reg (itype, ".trip");
if (gimple_in_ssa_p (cfun)) if (gimple_in_ssa_p (cfun))
{ {
add_referenced_var (trip_var);
trip_init = make_ssa_name (trip_var, NULL); trip_init = make_ssa_name (trip_var, NULL);
trip_main = make_ssa_name (trip_var, NULL); trip_main = make_ssa_name (trip_var, NULL);
trip_back = make_ssa_name (trip_var, NULL); trip_back = make_ssa_name (trip_var, NULL);
@ -5305,11 +5299,7 @@ expand_omp_atomic_pipeline (basic_block load_bb, basic_block store_bb,
gsi_insert_before (&si, stmt, GSI_SAME_STMT); gsi_insert_before (&si, stmt, GSI_SAME_STMT);
loadedi = create_tmp_var (itype, NULL); loadedi = create_tmp_var (itype, NULL);
if (gimple_in_ssa_p (cfun)) if (gimple_in_ssa_p (cfun))
{ loadedi = make_ssa_name (loadedi, NULL);
add_referenced_var (iaddr);
add_referenced_var (loadedi);
loadedi = make_ssa_name (loadedi, NULL);
}
} }
else else
{ {
@ -5386,8 +5376,6 @@ expand_omp_atomic_pipeline (basic_block load_bb, basic_block store_bb,
else else
{ {
old_vali = create_tmp_var (TREE_TYPE (loadedi), NULL); old_vali = create_tmp_var (TREE_TYPE (loadedi), NULL);
if (gimple_in_ssa_p (cfun))
add_referenced_var (old_vali);
stmt = gimple_build_assign (old_vali, loadedi); stmt = gimple_build_assign (old_vali, loadedi);
gsi_insert_before (&si, stmt, GSI_SAME_STMT); gsi_insert_before (&si, stmt, GSI_SAME_STMT);

3
gcc/passes.c
View File

@ -1285,7 +1285,6 @@ init_optimization_passes (void)
NEXT_PASS (pass_init_datastructures); NEXT_PASS (pass_init_datastructures);
NEXT_PASS (pass_expand_omp); NEXT_PASS (pass_expand_omp);
NEXT_PASS (pass_referenced_vars);
NEXT_PASS (pass_build_ssa); NEXT_PASS (pass_build_ssa);
NEXT_PASS (pass_lower_vector); NEXT_PASS (pass_lower_vector);
NEXT_PASS (pass_early_warn_uninitialized); NEXT_PASS (pass_early_warn_uninitialized);
@ -2603,8 +2602,6 @@ dump_properties (FILE *dump, unsigned int props)
fprintf (dump, "PROP_gimple_leh\n"); fprintf (dump, "PROP_gimple_leh\n");
if (props & PROP_cfg) if (props & PROP_cfg)
fprintf (dump, "PROP_cfg\n"); fprintf (dump, "PROP_cfg\n");
if (props & PROP_referenced_vars)
fprintf (dump, "PROP_referenced_vars\n");
if (props & PROP_ssa) if (props & PROP_ssa)
fprintf (dump, "PROP_ssa\n"); fprintf (dump, "PROP_ssa\n");
if (props & PROP_no_crit_edges) if (props & PROP_no_crit_edges)

12
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,15 @@
2012-08-02 Richard Guenther <rguenther@suse.de>
* gcc.dg/torture/pta-callused-1.c: Adjust.
* gcc.dg/torture/pta-ptrarith-3.c: Likewise.
* gcc.dg/torture/ssa-pta-fn-1.c: Likewise.
* gcc.dg/tree-ssa/alias-19.c: Likewise.
* gcc.dg/tree-ssa/pta-escape-1.c: Likewise.
* gcc.dg/tree-ssa/pta-escape-2.c: Likewise.
* gcc.dg/tree-ssa/pta-escape-3.c: Likewise.
* gcc.dg/tree-ssa/pta-ptrarith-1.c: Likewise.
* gcc.dg/tree-ssa/pta-ptrarith-2.c: Likewise.
2012-08-01 Thomas König <tkoenig@gcc.gnu.org> 2012-08-01 Thomas König <tkoenig@gcc.gnu.org>
PR fortran/54033 PR fortran/54033

2
gcc/testsuite/gcc.dg/torture/pta-callused-1.c
View File

@ -21,5 +21,5 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "p.._., points-to vars: { i j }" "alias" } } */ /* { dg-final { scan-tree-dump "p.._. = { i j }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

2
gcc/testsuite/gcc.dg/torture/pta-ptrarith-3.c
View File

@ -33,5 +33,5 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "q_., points-to vars: { i j k }" "alias" } } */ /* { dg-final { scan-tree-dump "q_. = { i j k }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

6
gcc/testsuite/gcc.dg/torture/ssa-pta-fn-1.c
View File

@ -56,7 +56,7 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "q_const_., points-to non-local, points-to vars: { i }" "alias" } } */ /* { dg-final { scan-tree-dump "q_const_. = { NONLOCAL i }" "alias" } } */
/* { dg-final { scan-tree-dump "q_pure_., points-to non-local, points-to escaped, points-to vars: { i }" "alias" } } */ /* { dg-final { scan-tree-dump "q_pure_. = { ESCAPED NONLOCAL i }" "alias" } } */
/* { dg-final { scan-tree-dump "q_normal_., points-to non-local, points-to escaped, points-to vars: { }" "alias" } } */ /* { dg-final { scan-tree-dump "q_normal_. = { ESCAPED NONLOCAL }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

3
gcc/testsuite/gcc.dg/tree-ssa/alias-19.c
View File

@ -1,5 +1,5 @@
/* { dg-do run } */ /* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-alias-vops" } */ /* { dg-options "-O2 -fdump-tree-alias" } */
const static int a; const static int a;
@ -26,5 +26,4 @@ int main()
} }
/* { dg-final { scan-tree-dump "q_. = { a b }" "alias" } } */ /* { dg-final { scan-tree-dump "q_. = { a b }" "alias" } } */
/* { dg-final { scan-tree-dump "q_., points-to vars: { D..... b }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

2
gcc/testsuite/gcc.dg/tree-ssa/pta-escape-1.c
View File

@ -33,5 +33,5 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "ESCAPED, points-to non-local, points-to NULL, points-to vars: { x }" "alias" } } */ /* { dg-final { scan-tree-dump "ESCAPED = { NULL ESCAPED NONLOCAL x }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

2
gcc/testsuite/gcc.dg/tree-ssa/pta-escape-2.c
View File

@ -34,5 +34,5 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "ESCAPED, points-to non-local, points-to NULL, points-to vars: { x }" "alias" } } */ /* { dg-final { scan-tree-dump "ESCAPED = { NULL ESCAPED NONLOCAL x }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

2
gcc/testsuite/gcc.dg/tree-ssa/pta-escape-3.c
View File

@ -38,5 +38,5 @@ int main()
return 0; return 0;
} }
/* { dg-final { scan-tree-dump "ESCAPED, points-to non-local, points-to NULL, points-to vars: { x }" "alias" } } */ /* { dg-final { scan-tree-dump "ESCAPED = { NULL ESCAPED NONLOCAL x }" "alias" } } */
/* { dg-final { cleanup-tree-dump "alias" } } */ /* { dg-final { cleanup-tree-dump "alias" } } */

2
gcc/testsuite/gcc.dg/tree-ssa/pta-ptrarith-1.c
View File

@ -22,5 +22,5 @@ foo(int i, int j, int k, int off)
return *q; return *q;
} }
/* { dg-final { scan-tree-dump "q_., points-to vars: { k }" "ealias" } } */ /* { dg-final { scan-tree-dump "q_. = { k }" "ealias" } } */
/* { dg-final { cleanup-tree-dump "ealias" } } */ /* { dg-final { cleanup-tree-dump "ealias" } } */

2
gcc/testsuite/gcc.dg/tree-ssa/pta-ptrarith-2.c
View File

@ -22,5 +22,5 @@ foo(int i, int j, int k, int off)
return *q; return *q;
} }
/* { dg-final { scan-tree-dump "q_., points-to vars: { i }" "ealias" } } */ /* { dg-final { scan-tree-dump "q_. = { i }" "ealias" } } */
/* { dg-final { cleanup-tree-dump "ealias" } } */ /* { dg-final { cleanup-tree-dump "ealias" } } */

3
gcc/trans-mem.c
View File

@ -1018,7 +1018,6 @@ tm_log_add (basic_block entry_block, tree addr, gimple stmt)
&& !TREE_ADDRESSABLE (type)) && !TREE_ADDRESSABLE (type))
{ {
lp->save_var = create_tmp_reg (TREE_TYPE (lp->addr), "tm_save"); lp->save_var = create_tmp_reg (TREE_TYPE (lp->addr), "tm_save");
add_referenced_var (lp->save_var);
lp->stmts = NULL; lp->stmts = NULL;
lp->entry_block = entry_block; lp->entry_block = entry_block;
/* Save addresses separately in dominator order so we don't /* Save addresses separately in dominator order so we don't
@ -4455,7 +4454,6 @@ ipa_tm_insert_gettmclone_call (struct cgraph_node *node,
gettm_fn = builtin_decl_explicit (safe ? BUILT_IN_TM_GETTMCLONE_SAFE gettm_fn = builtin_decl_explicit (safe ? BUILT_IN_TM_GETTMCLONE_SAFE
: BUILT_IN_TM_GETTMCLONE_IRR); : BUILT_IN_TM_GETTMCLONE_IRR);
ret = create_tmp_var (ptr_type_node, NULL); ret = create_tmp_var (ptr_type_node, NULL);
add_referenced_var (ret);
if (!safe) if (!safe)
transaction_subcode_ior (region, GTMA_MAY_ENTER_IRREVOCABLE); transaction_subcode_ior (region, GTMA_MAY_ENTER_IRREVOCABLE);
@ -4477,7 +4475,6 @@ ipa_tm_insert_gettmclone_call (struct cgraph_node *node,
/* Cast return value from tm_gettmclone* into appropriate function /* Cast return value from tm_gettmclone* into appropriate function
pointer. */ pointer. */
callfn = create_tmp_var (TREE_TYPE (old_fn), NULL); callfn = create_tmp_var (TREE_TYPE (old_fn), NULL);
add_referenced_var (callfn);
g2 = gimple_build_assign (callfn, g2 = gimple_build_assign (callfn,
fold_build1 (NOP_EXPR, TREE_TYPE (callfn), ret)); fold_build1 (NOP_EXPR, TREE_TYPE (callfn), ret));
callfn = make_ssa_name (callfn, g2); callfn = make_ssa_name (callfn, g2);

10
gcc/tree-cfg.c
View File

@ -5949,9 +5949,6 @@ replace_ssa_name (tree name, struct pointer_map_t *vars_map,
replace_by_duplicate_decl (&decl, vars_map, to_context); replace_by_duplicate_decl (&decl, vars_map, to_context);
push_cfun (DECL_STRUCT_FUNCTION (to_context)); push_cfun (DECL_STRUCT_FUNCTION (to_context));
if (gimple_in_ssa_p (cfun))
add_referenced_var (decl);
new_name = make_ssa_name (decl, SSA_NAME_DEF_STMT (name)); new_name = make_ssa_name (decl, SSA_NAME_DEF_STMT (name));
if (SSA_NAME_IS_DEFAULT_DEF (name)) if (SSA_NAME_IS_DEFAULT_DEF (name))
set_default_def (decl, new_name); set_default_def (decl, new_name);
@ -6022,12 +6019,7 @@ move_stmt_op (tree *tp, int *walk_subtrees, void *data)
if ((TREE_CODE (t) == VAR_DECL if ((TREE_CODE (t) == VAR_DECL
&& !is_global_var (t)) && !is_global_var (t))
|| TREE_CODE (t) == CONST_DECL) || TREE_CODE (t) == CONST_DECL)
{ replace_by_duplicate_decl (tp, p->vars_map, p->to_context);
struct function *to_fn = DECL_STRUCT_FUNCTION (p->to_context);
replace_by_duplicate_decl (tp, p->vars_map, p->to_context);
if (gimple_referenced_vars (to_fn))
add_referenced_var_1 (*tp, to_fn);
}
} }
*walk_subtrees = 0; *walk_subtrees = 0;
} }

1
gcc/tree-complex.c
View File

@ -422,7 +422,6 @@ create_one_component_var (tree type, tree orig, const char *prefix,
const char *suffix, enum tree_code code) const char *suffix, enum tree_code code)
{ {
tree r = create_tmp_var (type, prefix); tree r = create_tmp_var (type, prefix);
add_referenced_var (r);
DECL_SOURCE_LOCATION (r) = DECL_SOURCE_LOCATION (orig); DECL_SOURCE_LOCATION (r) = DECL_SOURCE_LOCATION (orig);
DECL_ARTIFICIAL (r) = 1; DECL_ARTIFICIAL (r) = 1;

227
gcc/tree-dfa.c
View File

@ -63,56 +63,6 @@ static void collect_dfa_stats (struct dfa_stats_d *);
/*--------------------------------------------------------------------------- /*---------------------------------------------------------------------------
Dataflow analysis (DFA) routines Dataflow analysis (DFA) routines
---------------------------------------------------------------------------*/ ---------------------------------------------------------------------------*/
/* Find all the variables referenced in the function. This function
builds the global arrays REFERENCED_VARS and CALL_CLOBBERED_VARS.
Note that this function does not look for statement operands, it simply
determines what variables are referenced in the program and detects
various attributes for each variable used by alias analysis and the
optimizer. */
static unsigned int
find_referenced_vars (void)
{
basic_block bb;
gimple_stmt_iterator si;
FOR_EACH_BB (bb)
{
for (si = gsi_start_bb (bb); !gsi_end_p (si); gsi_next (&si))
{
gimple stmt = gsi_stmt (si);
if (is_gimple_debug (stmt))
continue;
find_referenced_vars_in (gsi_stmt (si));
}
for (si = gsi_start_phis (bb); !gsi_end_p (si); gsi_next (&si))
find_referenced_vars_in (gsi_stmt (si));
}
return 0;
}
struct gimple_opt_pass pass_referenced_vars =
{
{
GIMPLE_PASS,
"*referenced_vars", /* name */
NULL, /* gate */
find_referenced_vars, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */
TV_FIND_REFERENCED_VARS, /* tv_id */
PROP_gimple_leh | PROP_cfg, /* properties_required */
PROP_referenced_vars, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0 /* todo_flags_finish */
}
};
/* Renumber all of the gimple stmt uids. */ /* Renumber all of the gimple stmt uids. */
@ -169,12 +119,7 @@ renumber_gimple_stmt_uids_in_blocks (basic_block *blocks, int n_blocks)
tree tree
make_rename_temp (tree type, const char *prefix) make_rename_temp (tree type, const char *prefix)
{ {
tree t = create_tmp_reg (type, prefix); return create_tmp_reg (type, prefix);
if (gimple_referenced_vars (cfun))
add_referenced_var (t);
return t;
} }
@ -182,36 +127,6 @@ make_rename_temp (tree type, const char *prefix)
/*--------------------------------------------------------------------------- /*---------------------------------------------------------------------------
Debugging functions Debugging functions
---------------------------------------------------------------------------*/ ---------------------------------------------------------------------------*/
/* Dump the list of all the referenced variables in the current function to
FILE. */
void
dump_referenced_vars (FILE *file)
{
tree var;
referenced_var_iterator rvi;
fprintf (file, "\nReferenced variables in %s: %u\n\n",
get_name (current_function_decl), (unsigned) num_referenced_vars);
FOR_EACH_REFERENCED_VAR (cfun, var, rvi)
{
fprintf (file, "Variable: ");
dump_variable (file, var);
}
fprintf (file, "\n");
}
/* Dump the list of all the referenced variables to stderr. */
DEBUG_FUNCTION void
debug_referenced_vars (void)
{
dump_referenced_vars (stderr);
}
/* Dump variable VAR and its may-aliases to FILE. */ /* Dump variable VAR and its may-aliases to FILE. */
@ -297,11 +212,6 @@ dump_dfa_stats (FILE *file)
fprintf (file, fmt_str, "", " instances ", "used "); fprintf (file, fmt_str, "", " instances ", "used ");
fprintf (file, "---------------------------------------------------------\n"); fprintf (file, "---------------------------------------------------------\n");
size = num_referenced_vars * sizeof (tree);
total += size;
fprintf (file, fmt_str_1, "Referenced variables", (unsigned long)num_referenced_vars,
SCALE (size), LABEL (size));
size = dfa_stats.num_uses * sizeof (tree *); size = dfa_stats.num_uses * sizeof (tree *);
total += size; total += size;
fprintf (file, fmt_str_1, "USE operands", dfa_stats.num_uses, fprintf (file, fmt_str_1, "USE operands", dfa_stats.num_uses,
@ -397,97 +307,6 @@ collect_dfa_stats (struct dfa_stats_d *dfa_stats_p ATTRIBUTE_UNUSED)
/*--------------------------------------------------------------------------- /*---------------------------------------------------------------------------
Miscellaneous helpers Miscellaneous helpers
---------------------------------------------------------------------------*/ ---------------------------------------------------------------------------*/
/* Callback for walk_tree. Used to collect variables referenced in
the function. */
static tree
find_vars_r (tree *tp, int *walk_subtrees, void *data)
{
struct function *fn = (struct function *) data;
/* If we are reading the lto info back in, we need to rescan the
referenced vars. */
if (TREE_CODE (*tp) == SSA_NAME)
add_referenced_var_1 (SSA_NAME_VAR (*tp), fn);
/* If T is a regular variable that the optimizers are interested
in, add it to the list of variables. */
else if ((TREE_CODE (*tp) == VAR_DECL
&& !is_global_var (*tp))
|| TREE_CODE (*tp) == PARM_DECL
|| TREE_CODE (*tp) == RESULT_DECL)
add_referenced_var_1 (*tp, fn);
/* Type, _DECL and constant nodes have no interesting children.
Ignore them. */
else if (IS_TYPE_OR_DECL_P (*tp) || CONSTANT_CLASS_P (*tp))
*walk_subtrees = 0;
return NULL_TREE;
}
/* Find referenced variables in STMT. */
void
find_referenced_vars_in (gimple stmt)
{
size_t i;
if (gimple_code (stmt) != GIMPLE_PHI)
{
for (i = 0; i < gimple_num_ops (stmt); i++)
walk_tree (gimple_op_ptr (stmt, i), find_vars_r, cfun, NULL);
}
else
{
walk_tree (gimple_phi_result_ptr (stmt), find_vars_r, cfun, NULL);
for (i = 0; i < gimple_phi_num_args (stmt); i++)
{
tree arg = gimple_phi_arg_def (stmt, i);
walk_tree (&arg, find_vars_r, cfun, NULL);
}
}
}
/* Lookup UID in the referenced_vars hashtable and return the associated
variable. */
tree
referenced_var_lookup (struct function *fn, unsigned int uid)
{
tree h;
struct tree_decl_minimal in;
in.uid = uid;
h = (tree) htab_find_with_hash (gimple_referenced_vars (fn), &in, uid);
return h;
}
/* Check if TO is in the referenced_vars hash table and insert it if not.
Return true if it required insertion. */
static bool
referenced_var_check_and_insert (tree to, struct function *fn)
{
tree *loc;
struct tree_decl_minimal in;
unsigned int uid = DECL_UID (to);
in.uid = uid;
loc = (tree *) htab_find_slot_with_hash (gimple_referenced_vars (fn),
&in, uid, INSERT);
if (*loc)
{
/* DECL_UID has already been entered in the table. Verify that it is
the same entry as TO. See PR 27793. */
gcc_assert (*loc == to);
return false;
}
*loc = to;
return true;
}
/* Lookup VAR UID in the default_defs hashtable and return the associated /* Lookup VAR UID in the default_defs hashtable and return the associated
variable. */ variable. */
@ -536,50 +355,6 @@ set_default_def (tree var, tree def)
SSA_NAME_IS_DEFAULT_DEF (def) = true; SSA_NAME_IS_DEFAULT_DEF (def) = true;
} }
/* Add VAR to the list of referenced variables if it isn't already there. */
bool
add_referenced_var_1 (tree var, struct function *fn)
{
gcc_checking_assert (TREE_CODE (var) == VAR_DECL
|| TREE_CODE (var) == PARM_DECL
|| TREE_CODE (var) == RESULT_DECL);
gcc_checking_assert ((TREE_CODE (var) == VAR_DECL
&& VAR_DECL_IS_VIRTUAL_OPERAND (var))
|| !is_global_var (var));
/* Insert VAR into the referenced_vars hash table if it isn't present
and allocate its var-annotation. */
if (referenced_var_check_and_insert (var, fn))
return true;
return false;
}
/* Remove VAR from the list of referenced variables and clear its
var-annotation. */
void
remove_referenced_var (tree var)
{
struct tree_decl_minimal in;
void **loc;
unsigned int uid = DECL_UID (var);
gcc_checking_assert (TREE_CODE (var) == VAR_DECL
|| TREE_CODE (var) == PARM_DECL
|| TREE_CODE (var) == RESULT_DECL);
gcc_checking_assert (!is_global_var (var));
in.uid = uid;
loc = htab_find_slot_with_hash (gimple_referenced_vars (cfun), &in, uid,
NO_INSERT);
if (loc)
htab_clear_slot (gimple_referenced_vars (cfun), loc);
}
/* If EXP is a handled component reference for a structure, return the /* If EXP is a handled component reference for a structure, return the
base variable. The access range is delimited by bit positions *POFFSET and base variable. The access range is delimited by bit positions *POFFSET and

37
gcc/tree-flow-inline.h
View File

@ -35,15 +35,6 @@ gimple_in_ssa_p (const struct function *fun)
return fun && fun->gimple_df && fun->gimple_df->in_ssa_p; return fun && fun->gimple_df && fun->gimple_df->in_ssa_p;
} }
/* Array of all variables referenced in the function. */
static inline htab_t
gimple_referenced_vars (const struct function *fun)
{
if (!fun || !fun->gimple_df)
return NULL;
return fun->gimple_df->referenced_vars;
}
/* Artificial variable used for the virtual operand FUD chain. */ /* Artificial variable used for the virtual operand FUD chain. */
static inline tree static inline tree
gimple_vop (const struct function *fun) gimple_vop (const struct function *fun)
@ -98,34 +89,6 @@ next_htab_element (htab_iterator *hti)
return NULL; return NULL;
} }
/* Initialize ITER to point to the first referenced variable in the
referenced_vars hashtable, and return that variable. */
static inline tree
first_referenced_var (struct function *fn, referenced_var_iterator *iter)
{
return (tree) first_htab_element (&iter->hti,
gimple_referenced_vars (fn));
}
/* Return true if we have hit the end of the referenced variables ITER is
iterating through. */
static inline bool
end_referenced_vars_p (const referenced_var_iterator *iter)
{
return end_htab_p (&iter->hti);
}
/* Make ITER point to the next referenced_var in the referenced_var hashtable,
and return that variable. */
static inline tree
next_referenced_var (referenced_var_iterator *iter)
{
return (tree) next_htab_element (&iter->hti);
}
/* Get the number of the next statement uid to be allocated. */ /* Get the number of the next statement uid to be allocated. */
static inline unsigned int static inline unsigned int
gimple_stmt_max_uid (struct function *fn) gimple_stmt_max_uid (struct function *fn)

27
gcc/tree-flow.h
View File

@ -45,9 +45,6 @@ struct GTY(()) tm_restart_node {
gimple_ accessor defined in tree-flow-inline.h, all publicly modifiable gimple_ accessor defined in tree-flow-inline.h, all publicly modifiable
fields should have gimple_set accessor. */ fields should have gimple_set accessor. */
struct GTY(()) gimple_df { struct GTY(()) gimple_df {
/* Array of all variables referenced in the function. */
htab_t GTY((param_is (union tree_node))) referenced_vars;
/* A vector of all the noreturn calls passed to modify_stmt. /* A vector of all the noreturn calls passed to modify_stmt.
cleanup_control_flow uses it to detect cases where a mid-block cleanup_control_flow uses it to detect cases where a mid-block
indirect call has been turned into a noreturn call. When this indirect call has been turned into a noreturn call. When this
@ -292,24 +289,6 @@ extern int int_tree_map_eq (const void *, const void *);
extern unsigned int uid_decl_map_hash (const void *); extern unsigned int uid_decl_map_hash (const void *);
extern int uid_decl_map_eq (const void *, const void *); extern int uid_decl_map_eq (const void *, const void *);
typedef struct
{
htab_iterator hti;
} referenced_var_iterator;
/* This macro loops over all the referenced vars, one at a time, putting the
current var in VAR. Note: You are not allowed to add referenced variables
to the hashtable while using this macro. Doing so may cause it to behave
erratically. */
#define FOR_EACH_REFERENCED_VAR(FN, VAR, ITER) \
for ((VAR) = first_referenced_var ((FN), &(ITER)); \
!end_referenced_vars_p (&(ITER)); \
(VAR) = next_referenced_var (&(ITER)))
extern tree referenced_var_lookup (struct function *, unsigned int);
#define num_referenced_vars htab_elements (gimple_referenced_vars (cfun))
#define num_ssa_names (VEC_length (tree, cfun->gimple_df->ssa_names)) #define num_ssa_names (VEC_length (tree, cfun->gimple_df->ssa_names))
#define ssa_name(i) (VEC_index (tree, cfun->gimple_df->ssa_names, (i))) #define ssa_name(i) (VEC_index (tree, cfun->gimple_df->ssa_names, (i)))
@ -463,19 +442,13 @@ extern void renumber_gimple_stmt_uids (void);
extern void renumber_gimple_stmt_uids_in_blocks (basic_block *, int); extern void renumber_gimple_stmt_uids_in_blocks (basic_block *, int);
extern void dump_dfa_stats (FILE *); extern void dump_dfa_stats (FILE *);
extern void debug_dfa_stats (void); extern void debug_dfa_stats (void);
extern void debug_referenced_vars (void);
extern void dump_referenced_vars (FILE *);
extern void dump_variable (FILE *, tree); extern void dump_variable (FILE *, tree);
extern void debug_variable (tree); extern void debug_variable (tree);
extern bool add_referenced_var_1 (tree, struct function *);
#define add_referenced_var(v) add_referenced_var_1 ((v), cfun)
extern void remove_referenced_var (tree);
extern tree make_rename_temp (tree, const char *); extern tree make_rename_temp (tree, const char *);
extern void set_default_def (tree, tree); extern void set_default_def (tree, tree);
extern tree gimple_default_def (struct function *, tree); extern tree gimple_default_def (struct function *, tree);
extern bool stmt_references_abnormal_ssa_name (gimple); extern bool stmt_references_abnormal_ssa_name (gimple);
extern tree get_addr_base_and_unit_offset (tree, HOST_WIDE_INT *); extern tree get_addr_base_and_unit_offset (tree, HOST_WIDE_INT *);
extern void find_referenced_vars_in (gimple);
extern void dump_enumerated_decls (FILE *, int); extern void dump_enumerated_decls (FILE *, int);
/* In tree-phinodes.c */ /* In tree-phinodes.c */

1
gcc/tree-if-conv.c
View File

@ -227,7 +227,6 @@ ifc_temp_var (tree type, tree expr, gimple_stmt_iterator *gsi)
/* Create new temporary variable. */ /* Create new temporary variable. */
var = create_tmp_var (type, name); var = create_tmp_var (type, name);
add_referenced_var (var);
/* Build new statement to assign EXPR to new variable. */ /* Build new statement to assign EXPR to new variable. */
stmt = gimple_build_assign (var, expr); stmt = gimple_build_assign (var, expr);

63
gcc/tree-inline.c
View File

@ -338,17 +338,6 @@ remap_decl (tree decl, copy_body_data *id)
walk_tree (&DECL_QUALIFIER (t), copy_tree_body_r, id, NULL); walk_tree (&DECL_QUALIFIER (t), copy_tree_body_r, id, NULL);
} }
if ((TREE_CODE (t) == VAR_DECL
|| TREE_CODE (t) == RESULT_DECL
|| TREE_CODE (t) == PARM_DECL)
&& id->src_fn && DECL_STRUCT_FUNCTION (id->src_fn)
&& gimple_referenced_vars (DECL_STRUCT_FUNCTION (id->src_fn))
/* We don't want to mark as referenced VAR_DECLs that were
not marked as such in the src function. */
&& (TREE_CODE (decl) != VAR_DECL
|| referenced_var_lookup (DECL_STRUCT_FUNCTION (id->src_fn),
DECL_UID (decl))))
add_referenced_var (t);
return t; return t;
} }
@ -844,14 +833,6 @@ remap_gimple_op_r (tree *tp, int *walk_subtrees, void *data)
if (TREE_CODE (*tp) != OMP_CLAUSE) if (TREE_CODE (*tp) != OMP_CLAUSE)
TREE_TYPE (*tp) = remap_type (TREE_TYPE (*tp), id); TREE_TYPE (*tp) = remap_type (TREE_TYPE (*tp), id);
/* Global variables we haven't seen yet need to go into referenced
vars. If not referenced from types only. */
if (gimple_referenced_vars (cfun)
&& TREE_CODE (*tp) == VAR_DECL && !is_global_var (*tp)
&& id->remapping_type_depth == 0
&& !processing_debug_stmt)
add_referenced_var (*tp);
if (TREE_CODE (*tp) == TARGET_EXPR && TREE_OPERAND (*tp, 3)) if (TREE_CODE (*tp) == TARGET_EXPR && TREE_OPERAND (*tp, 3))
{ {
/* The copied TARGET_EXPR has never been expanded, even if the /* The copied TARGET_EXPR has never been expanded, even if the
@ -1087,14 +1068,6 @@ copy_tree_body_r (tree *tp, int *walk_subtrees, void *data)
tweak some special cases. */ tweak some special cases. */
copy_tree_r (tp, walk_subtrees, NULL); copy_tree_r (tp, walk_subtrees, NULL);
/* Global variables we haven't seen yet needs to go into referenced
vars. If not referenced from types or debug stmts only. */
if (gimple_referenced_vars (cfun)
&& TREE_CODE (*tp) == VAR_DECL && !is_global_var (*tp)
&& id->remapping_type_depth == 0
&& !processing_debug_stmt)
add_referenced_var (*tp);
/* If EXPR has block defined, map it to newly constructed block. /* If EXPR has block defined, map it to newly constructed block.
When inlining we want EXPRs without block appear in the block When inlining we want EXPRs without block appear in the block
of function call if we are not remapping a type. */ of function call if we are not remapping a type. */
@ -1764,7 +1737,6 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale,
ssa_op_iter i; ssa_op_iter i;
tree def; tree def;
find_referenced_vars_in (gsi_stmt (copy_gsi));
FOR_EACH_SSA_TREE_OPERAND (def, stmt, i, SSA_OP_DEF) FOR_EACH_SSA_TREE_OPERAND (def, stmt, i, SSA_OP_DEF)
if (TREE_CODE (def) == SSA_NAME) if (TREE_CODE (def) == SSA_NAME)
SSA_NAME_DEF_STMT (def) = stmt; SSA_NAME_DEF_STMT (def) = stmt;
@ -2558,10 +2530,6 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn,
function. */ function. */
var = copy_decl_to_var (p, id); var = copy_decl_to_var (p, id);
/* We're actually using the newly-created var. */
if (gimple_in_ssa_p (cfun) && TREE_CODE (var) == VAR_DECL)
add_referenced_var (var);
/* Declare this new variable. */ /* Declare this new variable. */
DECL_CHAIN (var) = *vars; DECL_CHAIN (var) = *vars;
*vars = var; *vars = var;
@ -2569,17 +2537,6 @@ setup_one_parameter (copy_body_data *id, tree p, tree value, tree fn,
/* Make gimplifier happy about this variable. */ /* Make gimplifier happy about this variable. */
DECL_SEEN_IN_BIND_EXPR_P (var) = 1; DECL_SEEN_IN_BIND_EXPR_P (var) = 1;
/* We are eventually using the value - make sure all variables
referenced therein are properly recorded. */
if (value
&& gimple_referenced_vars (cfun)
&& TREE_CODE (value) == ADDR_EXPR)
{
tree base = get_base_address (TREE_OPERAND (value, 0));
if (base && TREE_CODE (base) == VAR_DECL && !is_global_var (base))
add_referenced_var (base);
}
/* If the parameter is never assigned to, has no SSA_NAMEs created, /* If the parameter is never assigned to, has no SSA_NAMEs created,
we would not need to create a new variable here at all, if it we would not need to create a new variable here at all, if it
weren't for debug info. Still, we can just use the argument weren't for debug info. Still, we can just use the argument
@ -2885,9 +2842,6 @@ declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
gcc_assert (TREE_CODE (TYPE_SIZE_UNIT (callee_type)) == INTEGER_CST); gcc_assert (TREE_CODE (TYPE_SIZE_UNIT (callee_type)) == INTEGER_CST);
var = copy_result_decl_to_var (result, id); var = copy_result_decl_to_var (result, id);
if (gimple_referenced_vars (cfun))
add_referenced_var (var);
DECL_SEEN_IN_BIND_EXPR_P (var) = 1; DECL_SEEN_IN_BIND_EXPR_P (var) = 1;
/* Do not have the rest of GCC warn about this variable as it should /* Do not have the rest of GCC warn about this variable as it should
@ -2941,8 +2895,6 @@ declare_return_variable (copy_body_data *id, tree return_slot, tree modify_dest,
&& !is_gimple_val (var)) && !is_gimple_val (var))
{ {
tree temp = create_tmp_var (TREE_TYPE (result), "retvalptr"); tree temp = create_tmp_var (TREE_TYPE (result), "retvalptr");
if (gimple_referenced_vars (cfun))
add_referenced_var (temp);
insert_decl_map (id, result, temp); insert_decl_map (id, result, temp);
/* When RESULT_DECL is in SSA form, we need to remap and initialize /* When RESULT_DECL is in SSA form, we need to remap and initialize
it's default_def SSA_NAME. */ it's default_def SSA_NAME. */
@ -4773,14 +4725,6 @@ copy_decl_for_dup_finish (copy_body_data *id, tree decl, tree copy)
new function. */ new function. */
DECL_CONTEXT (copy) = id->dst_fn; DECL_CONTEXT (copy) = id->dst_fn;
if (TREE_CODE (decl) == VAR_DECL
/* C++ clones functions during parsing, before
referenced_vars. */
&& gimple_referenced_vars (DECL_STRUCT_FUNCTION (id->src_fn))
&& referenced_var_lookup (DECL_STRUCT_FUNCTION (id->src_fn),
DECL_UID (decl)))
add_referenced_var (copy);
return copy; return copy;
} }
@ -4894,7 +4838,6 @@ copy_arguments_for_versioning (tree orig_parm, copy_body_data * id,
as temporary variable later in function, the uses will be as temporary variable later in function, the uses will be
replaced by local variable. */ replaced by local variable. */
tree var = copy_decl_to_var (arg, id); tree var = copy_decl_to_var (arg, id);
add_referenced_var (var);
insert_decl_map (id, arg, var); insert_decl_map (id, arg, var);
/* Declare this new variable. */ /* Declare this new variable. */
DECL_CHAIN (var) = *vars; DECL_CHAIN (var) = *vars;
@ -5175,12 +5118,6 @@ tree_function_versioning (tree old_decl, tree new_decl,
if (TREE_CODE (op) == VIEW_CONVERT_EXPR) if (TREE_CODE (op) == VIEW_CONVERT_EXPR)
op = TREE_OPERAND (op, 0); op = TREE_OPERAND (op, 0);
if (TREE_CODE (op) == ADDR_EXPR)
{
op = get_base_address (TREE_OPERAND (op, 0));
if (op && TREE_CODE (op) == VAR_DECL && !is_global_var (op))
add_referenced_var (op);
}
gcc_assert (TREE_CODE (replace_info->old_tree) == PARM_DECL); gcc_assert (TREE_CODE (replace_info->old_tree) == PARM_DECL);
init = setup_one_parameter (&id, replace_info->old_tree, init = setup_one_parameter (&id, replace_info->old_tree,
replace_info->new_tree, id.src_fn, replace_info->new_tree, id.src_fn,

8
gcc/tree-into-ssa.c
View File

@ -1551,11 +1551,7 @@ dump_decl_set (FILE *file, bitmap set)
EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi) EXECUTE_IF_SET_IN_BITMAP (set, 0, i, bi)
{ {
tree var = referenced_var_lookup (cfun, i); fprintf (file, "D.%u", i);
if (var)
print_generic_expr (file, var, 0);
else
fprintf (file, "D.%u", i);
fprintf (file, " "); fprintf (file, " ");
} }
@ -2467,7 +2463,7 @@ struct gimple_opt_pass pass_build_ssa =
NULL, /* next */ NULL, /* next */
0, /* static_pass_number */ 0, /* static_pass_number */
TV_TREE_SSA_OTHER, /* tv_id */ TV_TREE_SSA_OTHER, /* tv_id */
PROP_cfg | PROP_referenced_vars, /* properties_required */ PROP_cfg, /* properties_required */
PROP_ssa, /* properties_provided */ PROP_ssa, /* properties_provided */
0, /* properties_destroyed */ 0, /* properties_destroyed */
0, /* todo_flags_start */ 0, /* todo_flags_start */

6
gcc/tree-parloops.c
View File

@ -482,7 +482,6 @@ take_address_of (tree obj, tree type, edge entry, htab_t decl_address,
bvar = create_tmp_var (TREE_TYPE (addr), bvar = create_tmp_var (TREE_TYPE (addr),
get_name (TREE_OPERAND get_name (TREE_OPERAND
(TREE_OPERAND (*var_p, 0), 0))); (TREE_OPERAND (*var_p, 0), 0)));
add_referenced_var (bvar);
stmt = gimple_build_assign (bvar, addr); stmt = gimple_build_assign (bvar, addr);
name = make_ssa_name (bvar, stmt); name = make_ssa_name (bvar, stmt);
gimple_assign_set_lhs (stmt, name); gimple_assign_set_lhs (stmt, name);
@ -540,7 +539,6 @@ initialize_reductions (void **slot, void *data)
/* Create a new variable to initialize the reduction. */ /* Create a new variable to initialize the reduction. */
type = TREE_TYPE (PHI_RESULT (reduc->reduc_phi)); type = TREE_TYPE (PHI_RESULT (reduc->reduc_phi));
bvar = create_tmp_var (type, "reduction"); bvar = create_tmp_var (type, "reduction");
add_referenced_var (bvar);
c = build_omp_clause (gimple_location (reduc->reduc_stmt), c = build_omp_clause (gimple_location (reduc->reduc_stmt),
OMP_CLAUSE_REDUCTION); OMP_CLAUSE_REDUCTION);
@ -805,7 +803,6 @@ separate_decls_in_region_name (tree name,
{ {
var_copy = create_tmp_var (TREE_TYPE (var), get_name (var)); var_copy = create_tmp_var (TREE_TYPE (var), get_name (var));
DECL_GIMPLE_REG_P (var_copy) = DECL_GIMPLE_REG_P (var); DECL_GIMPLE_REG_P (var_copy) = DECL_GIMPLE_REG_P (var);
add_referenced_var (var_copy);
nielt = XNEW (struct int_tree_map); nielt = XNEW (struct int_tree_map);
nielt->uid = uid; nielt->uid = uid;
nielt->to = var_copy; nielt->to = var_copy;
@ -1066,7 +1063,6 @@ create_call_for_reduction_1 (void **slot, void *data)
new_bb = e->dest; new_bb = e->dest;
tmp_load = create_tmp_var (TREE_TYPE (TREE_TYPE (addr)), NULL); tmp_load = create_tmp_var (TREE_TYPE (TREE_TYPE (addr)), NULL);
add_referenced_var (tmp_load);
tmp_load = make_ssa_name (tmp_load, NULL); tmp_load = make_ssa_name (tmp_load, NULL);
load = gimple_build_omp_atomic_load (tmp_load, addr); load = gimple_build_omp_atomic_load (tmp_load, addr);
SSA_NAME_DEF_STMT (tmp_load) = load; SSA_NAME_DEF_STMT (tmp_load) = load;
@ -1352,9 +1348,7 @@ separate_decls_in_region (edge entry, edge exit, htab_t reduction_list,
/* Create the loads and stores. */ /* Create the loads and stores. */
*arg_struct = create_tmp_var (type, ".paral_data_store"); *arg_struct = create_tmp_var (type, ".paral_data_store");
add_referenced_var (*arg_struct);
nvar = create_tmp_var (build_pointer_type (type), ".paral_data_load"); nvar = create_tmp_var (build_pointer_type (type), ".paral_data_load");
add_referenced_var (nvar);
*new_arg_struct = make_ssa_name (nvar, NULL); *new_arg_struct = make_ssa_name (nvar, NULL);
ld_st_data->store = *arg_struct; ld_st_data->store = *arg_struct;

2
gcc/tree-pass.h
View File

@ -142,7 +142,6 @@ struct simple_ipa_opt_pass
#define PROP_gimple_lcf (1 << 1) /* lowered control flow */ #define PROP_gimple_lcf (1 << 1) /* lowered control flow */
#define PROP_gimple_leh (1 << 2) /* lowered eh */ #define PROP_gimple_leh (1 << 2) /* lowered eh */
#define PROP_cfg (1 << 3) #define PROP_cfg (1 << 3)
#define PROP_referenced_vars (1 << 4)
#define PROP_ssa (1 << 5) #define PROP_ssa (1 << 5)
#define PROP_no_crit_edges (1 << 6) #define PROP_no_crit_edges (1 << 6)
#define PROP_rtl (1 << 7) #define PROP_rtl (1 << 7)
@ -267,7 +266,6 @@ extern struct gimple_opt_pass pass_lower_eh_dispatch;
extern struct gimple_opt_pass pass_lower_resx; extern struct gimple_opt_pass pass_lower_resx;
extern struct gimple_opt_pass pass_build_cfg; extern struct gimple_opt_pass pass_build_cfg;
extern struct gimple_opt_pass pass_early_tree_profile; extern struct gimple_opt_pass pass_early_tree_profile;
extern struct gimple_opt_pass pass_referenced_vars;
extern struct gimple_opt_pass pass_cleanup_eh; extern struct gimple_opt_pass pass_cleanup_eh;
extern struct gimple_opt_pass pass_sra; extern struct gimple_opt_pass pass_sra;
extern struct gimple_opt_pass pass_sra_early; extern struct gimple_opt_pass pass_sra_early;

4
gcc/tree-predcom.c
View File

@ -1450,8 +1450,6 @@ predcom_tmp_var (tree ref, unsigned i, bitmap tmp_vars)
/* We never access the components of the temporary variable in predictive /* We never access the components of the temporary variable in predictive
commoning. */ commoning. */
tree var = create_tmp_reg (type, get_lsm_tmp_name (ref, i)); tree var = create_tmp_reg (type, get_lsm_tmp_name (ref, i));
add_referenced_var (var);
bitmap_set_bit (tmp_vars, DECL_UID (var)); bitmap_set_bit (tmp_vars, DECL_UID (var));
return var; return var;
} }
@ -2191,12 +2189,10 @@ reassociate_to_the_same_stmt (tree name1, tree name2)
/* Insert the new statement combining NAME1 and NAME2 before S1, and /* Insert the new statement combining NAME1 and NAME2 before S1, and
combine it with the rhs of S1. */ combine it with the rhs of S1. */
var = create_tmp_reg (type, "predreastmp"); var = create_tmp_reg (type, "predreastmp");
add_referenced_var (var);
new_name = make_ssa_name (var, NULL); new_name = make_ssa_name (var, NULL);
new_stmt = gimple_build_assign_with_ops (code, new_name, name1, name2); new_stmt = gimple_build_assign_with_ops (code, new_name, name1, name2);
var = create_tmp_reg (type, "predreastmp"); var = create_tmp_reg (type, "predreastmp");
add_referenced_var (var);
tmp_name = make_ssa_name (var, NULL); tmp_name = make_ssa_name (var, NULL);
/* Rhs of S1 may now be either a binary expression with operation /* Rhs of S1 may now be either a binary expression with operation

8
gcc/tree-profile.c
View File

@ -220,7 +220,6 @@ gimple_gen_edge_profiler (int edgeno, edge e)
one = build_int_cst (gcov_type_node, 1); one = build_int_cst (gcov_type_node, 1);
stmt1 = gimple_build_assign (gcov_type_tmp_var, ref); stmt1 = gimple_build_assign (gcov_type_tmp_var, ref);
gimple_assign_set_lhs (stmt1, make_ssa_name (gcov_type_tmp_var, stmt1)); gimple_assign_set_lhs (stmt1, make_ssa_name (gcov_type_tmp_var, stmt1));
find_referenced_vars_in (stmt1);
stmt2 = gimple_build_assign_with_ops (PLUS_EXPR, gcov_type_tmp_var, stmt2 = gimple_build_assign_with_ops (PLUS_EXPR, gcov_type_tmp_var,
gimple_assign_lhs (stmt1), one); gimple_assign_lhs (stmt1), one);
gimple_assign_set_lhs (stmt2, make_ssa_name (gcov_type_tmp_var, stmt2)); gimple_assign_set_lhs (stmt2, make_ssa_name (gcov_type_tmp_var, stmt2));
@ -267,7 +266,6 @@ gimple_gen_interval_profiler (histogram_value value, unsigned tag, unsigned base
val = prepare_instrumented_value (&gsi, value); val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_interval_profiler_fn, 4, call = gimple_build_call (tree_interval_profiler_fn, 4,
ref_ptr, val, start, steps); ref_ptr, val, start, steps);
find_referenced_vars_in (call);
gsi_insert_before (&gsi, call, GSI_NEW_STMT); gsi_insert_before (&gsi, call, GSI_NEW_STMT);
} }
@ -288,7 +286,6 @@ gimple_gen_pow2_profiler (histogram_value value, unsigned tag, unsigned base)
true, NULL_TREE, true, GSI_SAME_STMT); true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value); val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_pow2_profiler_fn, 2, ref_ptr, val); call = gimple_build_call (tree_pow2_profiler_fn, 2, ref_ptr, val);
find_referenced_vars_in (call);
gsi_insert_before (&gsi, call, GSI_NEW_STMT); gsi_insert_before (&gsi, call, GSI_NEW_STMT);
} }
@ -309,7 +306,6 @@ gimple_gen_one_value_profiler (histogram_value value, unsigned tag, unsigned bas
true, NULL_TREE, true, GSI_SAME_STMT); true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value); val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_one_value_profiler_fn, 2, ref_ptr, val); call = gimple_build_call (tree_one_value_profiler_fn, 2, ref_ptr, val);
find_referenced_vars_in (call);
gsi_insert_before (&gsi, call, GSI_NEW_STMT); gsi_insert_before (&gsi, call, GSI_NEW_STMT);
} }
@ -341,10 +337,8 @@ gimple_gen_ic_profiler (histogram_value value, unsigned tag, unsigned base)
tmp1 = create_tmp_reg (ptr_void, "PROF"); tmp1 = create_tmp_reg (ptr_void, "PROF");
stmt1 = gimple_build_assign (ic_gcov_type_ptr_var, ref_ptr); stmt1 = gimple_build_assign (ic_gcov_type_ptr_var, ref_ptr);
find_referenced_vars_in (stmt1);
stmt2 = gimple_build_assign (tmp1, unshare_expr (value->hvalue.value)); stmt2 = gimple_build_assign (tmp1, unshare_expr (value->hvalue.value));
gimple_assign_set_lhs (stmt2, make_ssa_name (tmp1, stmt2)); gimple_assign_set_lhs (stmt2, make_ssa_name (tmp1, stmt2));
find_referenced_vars_in (stmt2);
stmt3 = gimple_build_assign (ic_void_ptr_var, gimple_assign_lhs (stmt2)); stmt3 = gimple_build_assign (ic_void_ptr_var, gimple_assign_lhs (stmt2));
gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT); gsi_insert_before (&gsi, stmt1, GSI_SAME_STMT);
@ -439,7 +433,6 @@ gimple_gen_average_profiler (histogram_value value, unsigned tag, unsigned base)
true, GSI_SAME_STMT); true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value); val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_average_profiler_fn, 2, ref_ptr, val); call = gimple_build_call (tree_average_profiler_fn, 2, ref_ptr, val);
find_referenced_vars_in (call);
gsi_insert_before (&gsi, call, GSI_NEW_STMT); gsi_insert_before (&gsi, call, GSI_NEW_STMT);
} }
@ -460,7 +453,6 @@ gimple_gen_ior_profiler (histogram_value value, unsigned tag, unsigned base)
true, NULL_TREE, true, GSI_SAME_STMT); true, NULL_TREE, true, GSI_SAME_STMT);
val = prepare_instrumented_value (&gsi, value); val = prepare_instrumented_value (&gsi, value);
call = gimple_build_call (tree_ior_profiler_fn, 2, ref_ptr, val); call = gimple_build_call (tree_ior_profiler_fn, 2, ref_ptr, val);
find_referenced_vars_in (call);
gsi_insert_before (&gsi, call, GSI_NEW_STMT); gsi_insert_before (&gsi, call, GSI_NEW_STMT);
} }

5
gcc/tree-sra.c
View File

@ -1449,7 +1449,6 @@ build_ref_for_offset (location_t loc, tree base, HOST_WIDE_INT offset,
gcc_checking_assert (gsi); gcc_checking_assert (gsi);
tmp = create_tmp_reg (build_pointer_type (TREE_TYPE (prev_base)), NULL); tmp = create_tmp_reg (build_pointer_type (TREE_TYPE (prev_base)), NULL);
add_referenced_var (tmp);
tmp = make_ssa_name (tmp, NULL); tmp = make_ssa_name (tmp, NULL);
addr = build_fold_addr_expr (unshare_expr (prev_base)); addr = build_fold_addr_expr (unshare_expr (prev_base));
STRIP_USELESS_TYPE_CONVERSION (addr); STRIP_USELESS_TYPE_CONVERSION (addr);
@ -1866,8 +1865,6 @@ create_access_replacement (struct access *access)
tree repl; tree repl;
repl = create_tmp_var (access->type, "SR"); repl = create_tmp_var (access->type, "SR");
add_referenced_var (repl);
if (TREE_CODE (access->type) == COMPLEX_TYPE if (TREE_CODE (access->type) == COMPLEX_TYPE
|| TREE_CODE (access->type) == VECTOR_TYPE) || TREE_CODE (access->type) == VECTOR_TYPE)
{ {
@ -4198,7 +4195,6 @@ get_replaced_param_substitute (struct ipa_parm_adjustment *adj)
DECL_NAME (repl) = get_identifier (pretty_name); DECL_NAME (repl) = get_identifier (pretty_name);
obstack_free (&name_obstack, pretty_name); obstack_free (&name_obstack, pretty_name);
add_referenced_var (repl);
adj->new_ssa_base = repl; adj->new_ssa_base = repl;
} }
else else
@ -4582,7 +4578,6 @@ sra_ipa_reset_debug_stmts (ipa_parm_adjustment_vec adjustments)
SET_DECL_RTL (copy, 0); SET_DECL_RTL (copy, 0);
TREE_USED (copy) = 1; TREE_USED (copy) = 1;
DECL_CONTEXT (copy) = current_function_decl; DECL_CONTEXT (copy) = current_function_decl;
add_referenced_var (copy);
add_local_decl (cfun, copy); add_local_decl (cfun, copy);
DECL_CHAIN (copy) = DECL_CHAIN (copy) =
BLOCK_VARS (DECL_INITIAL (current_function_decl)); BLOCK_VARS (DECL_INITIAL (current_function_decl));

12
gcc/tree-ssa-live.c
View File

@ -692,8 +692,7 @@ void
remove_unused_locals (void) remove_unused_locals (void)
{ {
basic_block bb; basic_block bb;
tree var, t; tree var;
referenced_var_iterator rvi;
bitmap global_unused_vars = NULL; bitmap global_unused_vars = NULL;
unsigned srcidx, dstidx, num, ix; unsigned srcidx, dstidx, num, ix;
bool have_local_clobbers = false; bool have_local_clobbers = false;
@ -828,7 +827,6 @@ remove_unused_locals (void)
} }
else if (!is_used_p (var)) else if (!is_used_p (var))
{ {
remove_referenced_var (var);
if (cfun->nonlocal_goto_save_area if (cfun->nonlocal_goto_save_area
&& TREE_OPERAND (cfun->nonlocal_goto_save_area, 0) == var) && TREE_OPERAND (cfun->nonlocal_goto_save_area, 0) == var)
cfun->nonlocal_goto_save_area = NULL; cfun->nonlocal_goto_save_area = NULL;
@ -847,14 +845,6 @@ remove_unused_locals (void)
if (dstidx != num) if (dstidx != num)
VEC_truncate (tree, cfun->local_decls, dstidx); VEC_truncate (tree, cfun->local_decls, dstidx);
/* ??? We end up with decls in referenced-vars that are not in
local-decls. */
FOR_EACH_REFERENCED_VAR (cfun, t, rvi)
if (TREE_CODE (t) == VAR_DECL
&& !VAR_DECL_IS_VIRTUAL_OPERAND (t)
&& !is_used_p (t))
remove_referenced_var (t);
remove_unused_scope_block_p (DECL_INITIAL (current_function_decl), remove_unused_scope_block_p (DECL_INITIAL (current_function_decl),
global_unused_vars); global_unused_vars);

5
gcc/tree-ssa-loop-im.c
View File

@ -942,9 +942,7 @@ rewrite_reciprocal (gimple_stmt_iterator *bsi)
lhs = gimple_assign_lhs (stmt); lhs = gimple_assign_lhs (stmt);
type = TREE_TYPE (lhs); type = TREE_TYPE (lhs);
var = create_tmp_var (type, "reciptmp"); var = create_tmp_reg (type, "reciptmp");
add_referenced_var (var);
DECL_GIMPLE_REG_P (var) = 1;
real_one = build_one_cst (type); real_one = build_one_cst (type);
@ -1024,7 +1022,6 @@ rewrite_bittest (gimple_stmt_iterator *bsi)
/* 1 << B */ /* 1 << B */
var = create_tmp_var (TREE_TYPE (a), "shifttmp"); var = create_tmp_var (TREE_TYPE (a), "shifttmp");
add_referenced_var (var);
t = fold_build2 (LSHIFT_EXPR, TREE_TYPE (a), t = fold_build2 (LSHIFT_EXPR, TREE_TYPE (a),
build_int_cst (TREE_TYPE (a), 1), b); build_int_cst (TREE_TYPE (a), 1), b);
stmt1 = gimple_build_assign (var, t); stmt1 = gimple_build_assign (var, t);

1
gcc/tree-ssa-loop-ivopts.c
View File

@ -6017,7 +6017,6 @@ create_new_iv (struct ivopts_data *data, struct iv_cand *cand)
} }
gimple_add_tmp_var (cand->var_before); gimple_add_tmp_var (cand->var_before);
add_referenced_var (cand->var_before);
base = unshare_expr (cand->iv->base); base = unshare_expr (cand->iv->base);

15
gcc/tree-ssa-loop-manip.c
View File

@ -56,10 +56,7 @@ create_iv (tree base, tree step, tree var, struct loop *loop,
edge pe = loop_preheader_edge (loop); edge pe = loop_preheader_edge (loop);
if (!var) if (!var)
{ var = create_tmp_var (TREE_TYPE (base), "ivtmp");
var = create_tmp_var (TREE_TYPE (base), "ivtmp");
add_referenced_var (var);
}
vb = make_ssa_name (var, NULL); vb = make_ssa_name (var, NULL);
if (var_before) if (var_before)
@ -1009,15 +1006,9 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor,
TREE_TYPE (next))) TREE_TYPE (next)))
var = SSA_NAME_VAR (init); var = SSA_NAME_VAR (init);
else if (useless_type_conversion_p (TREE_TYPE (next), TREE_TYPE (init))) else if (useless_type_conversion_p (TREE_TYPE (next), TREE_TYPE (init)))
{ var = create_tmp_var (TREE_TYPE (next), "unrinittmp");
var = create_tmp_var (TREE_TYPE (next), "unrinittmp");
add_referenced_var (var);
}
else else
{ var = create_tmp_var (TREE_TYPE (init), "unrinittmp");
var = create_tmp_var (TREE_TYPE (init), "unrinittmp");
add_referenced_var (var);
}
new_init = make_ssa_name (var, NULL); new_init = make_ssa_name (var, NULL);
phi_rest = create_phi_node (new_init, rest); phi_rest = create_phi_node (new_init, rest);

11
gcc/tree-ssa-math-opts.c
View File

@ -989,8 +989,6 @@ powi_as_mults (gimple_stmt_iterator *gsi, location_t loc,
cache[1] = arg0; cache[1] = arg0;
target = create_tmp_reg (type, "powmult"); target = create_tmp_reg (type, "powmult");
add_referenced_var (target);
result = powi_as_mults_1 (gsi, loc, type, (n < 0) ? -n : n, cache, target); result = powi_as_mults_1 (gsi, loc, type, (n < 0) ? -n : n, cache, target);
if (n >= 0) if (n >= 0)
@ -1041,10 +1039,7 @@ build_and_insert_call (gimple_stmt_iterator *gsi, location_t loc,
tree ssa_target; tree ssa_target;
if (!*var) if (!*var)
{ *var = create_tmp_reg (TREE_TYPE (arg), "powroot");
*var = create_tmp_reg (TREE_TYPE (arg), "powroot");
add_referenced_var (*var);
}
call_stmt = gimple_build_call (fn, 1, arg); call_stmt = gimple_build_call (fn, 1, arg);
ssa_target = make_ssa_name (*var, NULL); ssa_target = make_ssa_name (*var, NULL);
@ -1354,8 +1349,6 @@ gimple_expand_builtin_cabs (gimple_stmt_iterator *gsi, location_t loc, tree arg)
return NULL_TREE; return NULL_TREE;
target = create_tmp_reg (type, "cabs"); target = create_tmp_reg (type, "cabs");
add_referenced_var (target);
real_part = build_and_insert_ref (gsi, loc, type, target, real_part = build_and_insert_ref (gsi, loc, type, target,
REALPART_EXPR, arg); REALPART_EXPR, arg);
addend1 = build_and_insert_binop (gsi, loc, target, MULT_EXPR, addend1 = build_and_insert_binop (gsi, loc, target, MULT_EXPR,
@ -1900,7 +1893,6 @@ execute_optimize_bswap (void)
gimple convert_stmt; gimple convert_stmt;
bswap_tmp = create_tmp_var (bswap_type, "bswapsrc"); bswap_tmp = create_tmp_var (bswap_type, "bswapsrc");
add_referenced_var (bswap_tmp);
bswap_tmp = make_ssa_name (bswap_tmp, NULL); bswap_tmp = make_ssa_name (bswap_tmp, NULL);
convert_stmt = gimple_build_assign_with_ops ( convert_stmt = gimple_build_assign_with_ops (
@ -1918,7 +1910,6 @@ execute_optimize_bswap (void)
gimple convert_stmt; gimple convert_stmt;
bswap_tmp = create_tmp_var (bswap_type, "bswapdst"); bswap_tmp = create_tmp_var (bswap_type, "bswapdst");
add_referenced_var (bswap_tmp);
bswap_tmp = make_ssa_name (bswap_tmp, NULL); bswap_tmp = make_ssa_name (bswap_tmp, NULL);
convert_stmt = gimple_build_assign_with_ops ( convert_stmt = gimple_build_assign_with_ops (
CONVERT_EXPR, gimple_assign_lhs (stmt), bswap_tmp, NULL); CONVERT_EXPR, gimple_assign_lhs (stmt), bswap_tmp, NULL);

1
gcc/tree-ssa-operands.c
View File

@ -177,7 +177,6 @@ create_vop_var (struct function *fn)
TREE_ADDRESSABLE (global_var) = 0; TREE_ADDRESSABLE (global_var) = 0;
VAR_DECL_IS_VIRTUAL_OPERAND (global_var) = 1; VAR_DECL_IS_VIRTUAL_OPERAND (global_var) = 1;
add_referenced_var_1 (global_var, fn);
fn->gimple_df->vop = global_var; fn->gimple_df->vop = global_var;
} }

4
gcc/tree-ssa-phiopt.c
View File

@ -691,7 +691,6 @@ conditional_replacement (basic_block cond_bb, basic_block middle_bb,
source_location locus_0, locus_1; source_location locus_0, locus_1;
new_var2 = create_tmp_var (TREE_TYPE (result), NULL); new_var2 = create_tmp_var (TREE_TYPE (result), NULL);
add_referenced_var (new_var2);
new_stmt = gimple_build_assign_with_ops (CONVERT_EXPR, new_var2, new_stmt = gimple_build_assign_with_ops (CONVERT_EXPR, new_var2,
new_var, NULL); new_var, NULL);
new_var2 = make_ssa_name (new_var2, new_stmt); new_var2 = make_ssa_name (new_var2, new_stmt);
@ -1215,7 +1214,6 @@ abs_replacement (basic_block cond_bb, basic_block middle_bb,
if (negate) if (negate)
{ {
tree tmp = create_tmp_var (TREE_TYPE (result), NULL); tree tmp = create_tmp_var (TREE_TYPE (result), NULL);
add_referenced_var (tmp);
lhs = make_ssa_name (tmp, NULL); lhs = make_ssa_name (tmp, NULL);
} }
else else
@ -1482,7 +1480,6 @@ cond_store_replacement (basic_block middle_bb, basic_block join_bb,
of the memory touched by the store, if we need to. */ of the memory touched by the store, if we need to. */
if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp)) if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp))
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore"); condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
add_referenced_var (condstoretemp);
/* 3) Insert a load from the memory of the store to the temporary /* 3) Insert a load from the memory of the store to the temporary
on the edge which did not contain the store. */ on the edge which did not contain the store. */
@ -1567,7 +1564,6 @@ cond_if_else_store_replacement_1 (basic_block then_bb, basic_block else_bb,
of the memory touched by the store, if we need to. */ of the memory touched by the store, if we need to. */
if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp)) if (!condstoretemp || TREE_TYPE (lhs) != TREE_TYPE (condstoretemp))
condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore"); condstoretemp = create_tmp_reg (TREE_TYPE (lhs), "cstore");
add_referenced_var (condstoretemp);
/* 3) Create a PHI node at the join block, with one argument /* 3) Create a PHI node at the join block, with one argument
holding the old RHS, and the other holding the temporary holding the old RHS, and the other holding the temporary

1
gcc/tree-ssa-phiprop.c
View File

@ -196,7 +196,6 @@ phiprop_insert_phi (basic_block bb, gimple phi, gimple use_stmt,
old_arg, old_arg,
TREE_OPERAND (rhs, 1))); TREE_OPERAND (rhs, 1)));
gcc_assert (is_gimple_reg (new_var)); gcc_assert (is_gimple_reg (new_var));
add_referenced_var (new_var);
new_var = make_ssa_name (new_var, tmp); new_var = make_ssa_name (new_var, tmp);
gimple_assign_set_lhs (tmp, new_var); gimple_assign_set_lhs (tmp, new_var);
gimple_set_location (tmp, locus); gimple_set_location (tmp, locus);

7
gcc/tree-ssa-pre.c
View File

@ -1411,10 +1411,7 @@ get_representative_for (const pre_expr e)
/* Build and insert the assignment of the end result to the temporary /* Build and insert the assignment of the end result to the temporary
that we will return. */ that we will return. */
if (!pretemp || exprtype != TREE_TYPE (pretemp)) if (!pretemp || exprtype != TREE_TYPE (pretemp))
{ pretemp = create_tmp_reg (exprtype, "pretmp");
pretemp = create_tmp_reg (exprtype, "pretmp");
add_referenced_var (pretemp);
}
name = make_ssa_name (pretemp, gimple_build_nop ()); name = make_ssa_name (pretemp, gimple_build_nop ());
VN_INFO_GET (name)->value_id = value_id; VN_INFO_GET (name)->value_id = value_id;
@ -3110,7 +3107,6 @@ create_expression_by_pieces (basic_block block, pre_expr expr,
pretemp = create_tmp_reg (exprtype, "pretmp"); pretemp = create_tmp_reg (exprtype, "pretmp");
temp = pretemp; temp = pretemp;
add_referenced_var (temp);
newstmt = gimple_build_assign (temp, folded); newstmt = gimple_build_assign (temp, folded);
name = make_ssa_name (temp, newstmt); name = make_ssa_name (temp, newstmt);
@ -3369,7 +3365,6 @@ insert_into_preds_of_block (basic_block block, unsigned int exprnum,
prephitemp = create_tmp_var (type, "prephitmp"); prephitemp = create_tmp_var (type, "prephitmp");
temp = prephitemp; temp = prephitemp;
add_referenced_var (temp);
if (TREE_CODE (type) == COMPLEX_TYPE if (TREE_CODE (type) == COMPLEX_TYPE
|| TREE_CODE (type) == VECTOR_TYPE) || TREE_CODE (type) == VECTOR_TYPE)

1
gcc/tree-ssa-propagate.c
View File

@ -793,7 +793,6 @@ update_call_from_tree (gimple_stmt_iterator *si_p, tree expr)
STRIP_USELESS_TYPE_CONVERSION (expr); STRIP_USELESS_TYPE_CONVERSION (expr);
lhs = create_tmp_var (TREE_TYPE (expr), NULL); lhs = create_tmp_var (TREE_TYPE (expr), NULL);
new_stmt = gimple_build_assign (lhs, expr); new_stmt = gimple_build_assign (lhs, expr);
add_referenced_var (lhs);
if (gimple_in_ssa_p (cfun)) if (gimple_in_ssa_p (cfun))
lhs = make_ssa_name (lhs, new_stmt); lhs = make_ssa_name (lhs, new_stmt);
gimple_assign_set_lhs (new_stmt, lhs); gimple_assign_set_lhs (new_stmt, lhs);

8
gcc/tree-ssa-reassoc.c
View File

@ -1433,7 +1433,6 @@ undistribute_ops_list (enum tree_code opcode,
print_generic_expr (dump_file, oe1->op, 0); print_generic_expr (dump_file, oe1->op, 0);
} }
tmpvar = create_tmp_reg (TREE_TYPE (oe1->op), NULL); tmpvar = create_tmp_reg (TREE_TYPE (oe1->op), NULL);
add_referenced_var (tmpvar);
zero_one_operation (&oe1->op, c->oecode, c->op); zero_one_operation (&oe1->op, c->oecode, c->op);
EXECUTE_IF_SET_IN_SBITMAP (candidates2, first+1, i, sbi0) EXECUTE_IF_SET_IN_SBITMAP (candidates2, first+1, i, sbi0)
{ {
@ -1598,7 +1597,6 @@ eliminate_redundant_comparison (enum tree_code opcode,
tree newop2; tree newop2;
gcc_assert (COMPARISON_CLASS_P (t)); gcc_assert (COMPARISON_CLASS_P (t));
tmpvar = create_tmp_var (TREE_TYPE (t), NULL); tmpvar = create_tmp_var (TREE_TYPE (t), NULL);
add_referenced_var (tmpvar);
extract_ops_from_tree (t, &subcode, &newop1, &newop2); extract_ops_from_tree (t, &subcode, &newop1, &newop2);
STRIP_USELESS_TYPE_CONVERSION (newop1); STRIP_USELESS_TYPE_CONVERSION (newop1);
STRIP_USELESS_TYPE_CONVERSION (newop2); STRIP_USELESS_TYPE_CONVERSION (newop2);
@ -2454,7 +2452,6 @@ rewrite_expr_tree_parallel (gimple stmt, int width,
stmts[i] = SSA_NAME_DEF_STMT (gimple_assign_rhs1 (stmts[i+1])); stmts[i] = SSA_NAME_DEF_STMT (gimple_assign_rhs1 (stmts[i+1]));
lhs_var = create_tmp_reg (TREE_TYPE (last_rhs1), NULL); lhs_var = create_tmp_reg (TREE_TYPE (last_rhs1), NULL);
add_referenced_var (lhs_var);
for (i = 0; i < stmt_num; i++) for (i = 0; i < stmt_num; i++)
{ {
@ -3086,10 +3083,7 @@ static tree
get_reassoc_pow_ssa_name (tree *target, tree type) get_reassoc_pow_ssa_name (tree *target, tree type)
{ {
if (!*target || !types_compatible_p (type, TREE_TYPE (*target))) if (!*target || !types_compatible_p (type, TREE_TYPE (*target)))
{ *target = create_tmp_reg (type, "reassocpow");
*target = create_tmp_reg (type, "reassocpow");
add_referenced_var (*target);
}
return make_ssa_name (*target, NULL); return make_ssa_name (*target, NULL);
} }

3
gcc/tree-ssa-strlen.c
View File

@ -416,7 +416,6 @@ get_string_length (strinfo si)
fn = builtin_decl_implicit (BUILT_IN_STRLEN); fn = builtin_decl_implicit (BUILT_IN_STRLEN);
gcc_assert (lhs == NULL_TREE); gcc_assert (lhs == NULL_TREE);
lhs_var = create_tmp_var (TREE_TYPE (TREE_TYPE (fn)), NULL); lhs_var = create_tmp_var (TREE_TYPE (TREE_TYPE (fn)), NULL);
add_referenced_var (lhs_var);
tem = unshare_expr (gimple_call_arg (stmt, 0)); tem = unshare_expr (gimple_call_arg (stmt, 0));
lenstmt = gimple_build_call (fn, 1, tem); lenstmt = gimple_build_call (fn, 1, tem);
lhs = make_ssa_name (lhs_var, lenstmt); lhs = make_ssa_name (lhs_var, lenstmt);
@ -425,7 +424,6 @@ get_string_length (strinfo si)
gsi_insert_before (&gsi, lenstmt, GSI_SAME_STMT); gsi_insert_before (&gsi, lenstmt, GSI_SAME_STMT);
lhs_var = create_tmp_var (TREE_TYPE (gimple_call_arg (stmt, 0)), lhs_var = create_tmp_var (TREE_TYPE (gimple_call_arg (stmt, 0)),
NULL); NULL);
add_referenced_var (lhs_var);
tem = gimple_call_arg (stmt, 0); tem = gimple_call_arg (stmt, 0);
if (!ptrofftype_p (TREE_TYPE (lhs))) if (!ptrofftype_p (TREE_TYPE (lhs)))
{ {
@ -455,7 +453,6 @@ get_string_length (strinfo si)
} }
gimple_call_set_fndecl (stmt, fn); gimple_call_set_fndecl (stmt, fn);
lhs_var = create_tmp_var (TREE_TYPE (TREE_TYPE (fn)), NULL); lhs_var = create_tmp_var (TREE_TYPE (TREE_TYPE (fn)), NULL);
add_referenced_var (lhs_var);
lhs = make_ssa_name (lhs_var, stmt); lhs = make_ssa_name (lhs_var, stmt);
gimple_call_set_lhs (stmt, lhs); gimple_call_set_lhs (stmt, lhs);
update_stmt (stmt); update_stmt (stmt);

19
gcc/tree-ssa.c
View File

@ -249,7 +249,8 @@ target_for_debug_bind (tree var)
if (!MAY_HAVE_DEBUG_STMTS) if (!MAY_HAVE_DEBUG_STMTS)
return NULL_TREE; return NULL_TREE;
if (TREE_CODE (var) != VAR_DECL if ((TREE_CODE (var) != VAR_DECL
|| VAR_DECL_IS_VIRTUAL_OPERAND (var))
&& TREE_CODE (var) != PARM_DECL) && TREE_CODE (var) != PARM_DECL)
return NULL_TREE; return NULL_TREE;
@ -259,13 +260,9 @@ target_for_debug_bind (tree var)
if (DECL_IGNORED_P (var)) if (DECL_IGNORED_P (var))
return NULL_TREE; return NULL_TREE;
if (!is_gimple_reg (var)) /* var-tracking only tracks registers. */
{ if (!is_gimple_reg_type (TREE_TYPE (var)))
if (is_gimple_reg_type (TREE_TYPE (var)) return NULL_TREE;
&& referenced_var_lookup (cfun, DECL_UID (var)) == NULL_TREE)
return var;
return NULL_TREE;
}
return var; return var;
} }
@ -1107,8 +1104,6 @@ void
init_tree_ssa (struct function *fn) init_tree_ssa (struct function *fn)
{ {
fn->gimple_df = ggc_alloc_cleared_gimple_df (); fn->gimple_df = ggc_alloc_cleared_gimple_df ();
fn->gimple_df->referenced_vars = htab_create_ggc (20, uid_decl_map_hash,
uid_decl_map_eq, NULL);
fn->gimple_df->default_defs = htab_create_ggc (20, uid_ssaname_map_hash, fn->gimple_df->default_defs = htab_create_ggc (20, uid_ssaname_map_hash,
uid_ssaname_map_eq, NULL); uid_ssaname_map_eq, NULL);
pt_solution_reset (&fn->gimple_df->escaped); pt_solution_reset (&fn->gimple_df->escaped);
@ -1150,10 +1145,6 @@ struct gimple_opt_pass pass_init_datastructures =
void void
delete_tree_ssa (void) delete_tree_ssa (void)
{ {
/* Remove annotations from every referenced local variable. */
htab_delete (gimple_referenced_vars (cfun));
cfun->gimple_df->referenced_vars = NULL;
fini_ssanames (); fini_ssanames ();
/* We no longer maintain the SSA operand cache at this point. */ /* We no longer maintain the SSA operand cache at this point. */

2
gcc/tree-switch-conversion.c
View File

@ -425,7 +425,6 @@ emit_case_bit_tests (gimple swtch, tree index_expr,
/* csui = (1 << (word_mode) idx) */ /* csui = (1 << (word_mode) idx) */
tmp = create_tmp_var (word_type_node, "csui"); tmp = create_tmp_var (word_type_node, "csui");
add_referenced_var (tmp);
csui = make_ssa_name (tmp, NULL); csui = make_ssa_name (tmp, NULL);
tmp = fold_build2 (LSHIFT_EXPR, word_type_node, word_mode_one, tmp = fold_build2 (LSHIFT_EXPR, word_type_node, word_mode_one,
fold_convert (word_type_node, idx)); fold_convert (word_type_node, idx));
@ -1109,7 +1108,6 @@ build_arrays (gimple swtch, struct switch_conv_info *info)
arr_index_type = build_index_type (info->range_size); arr_index_type = build_index_type (info->range_size);
tmp = create_tmp_var (utype, "csui"); tmp = create_tmp_var (utype, "csui");
add_referenced_var (tmp);
tidx = make_ssa_name (tmp, NULL); tidx = make_ssa_name (tmp, NULL);
sub = fold_build2_loc (loc, MINUS_EXPR, utype, sub = fold_build2_loc (loc, MINUS_EXPR, utype,
fold_convert_loc (loc, utype, info->index_expr), fold_convert_loc (loc, utype, info->index_expr),

3
gcc/tree-tailcall.c
View File

@ -613,8 +613,6 @@ adjust_return_value_with_ops (enum tree_code code, const char *label,
gimple stmt; gimple stmt;
tree result; tree result;
add_referenced_var (tmp);
if (types_compatible_p (TREE_TYPE (acc), TREE_TYPE (op1))) if (types_compatible_p (TREE_TYPE (acc), TREE_TYPE (op1)))
stmt = gimple_build_assign_with_ops (code, tmp, acc, op1); stmt = gimple_build_assign_with_ops (code, tmp, acc, op1);
else else
@ -912,7 +910,6 @@ create_tailcall_accumulator (const char *label, basic_block bb, tree init)
tree tmp = create_tmp_reg (ret_type, label); tree tmp = create_tmp_reg (ret_type, label);
gimple phi; gimple phi;
add_referenced_var (tmp);
phi = create_phi_node (tmp, bb); phi = create_phi_node (tmp, bb);
/* RET_TYPE can be a float when -ffast-maths is enabled. */ /* RET_TYPE can be a float when -ffast-maths is enabled. */
add_phi_arg (phi, fold_convert (ret_type, init), single_pred_edge (bb), add_phi_arg (phi, fold_convert (ret_type, init), single_pred_edge (bb),

8
gcc/tree-vect-data-refs.c
View File

@ -3432,7 +3432,6 @@ vect_get_new_vect_var (tree type, enum vect_var_kind var_kind, const char *name)
} }
else else
new_vect_var = create_tmp_reg (type, prefix); new_vect_var = create_tmp_reg (type, prefix);
add_referenced_var (new_vect_var);
return new_vect_var; return new_vect_var;
} }
@ -3512,7 +3511,6 @@ vect_create_addr_base_for_vector_ref (gimple stmt,
} }
data_ref_base_var = create_tmp_var (TREE_TYPE (data_ref_base), "batmp"); data_ref_base_var = create_tmp_var (TREE_TYPE (data_ref_base), "batmp");
add_referenced_var (data_ref_base_var);
data_ref_base = force_gimple_operand (data_ref_base, &seq, true, data_ref_base = force_gimple_operand (data_ref_base, &seq, true,
data_ref_base_var); data_ref_base_var);
gimple_seq_add_seq (new_stmt_list, seq); gimple_seq_add_seq (new_stmt_list, seq);
@ -3522,7 +3520,6 @@ vect_create_addr_base_for_vector_ref (gimple stmt,
fold_convert (sizetype, base_offset), fold_convert (sizetype, base_offset),
fold_convert (sizetype, init)); fold_convert (sizetype, init));
dest = create_tmp_var (sizetype, "base_off"); dest = create_tmp_var (sizetype, "base_off");
add_referenced_var (dest);
base_offset = force_gimple_operand (base_offset, &seq, true, dest); base_offset = force_gimple_operand (base_offset, &seq, true, dest);
gimple_seq_add_seq (new_stmt_list, seq); gimple_seq_add_seq (new_stmt_list, seq);
@ -3530,7 +3527,6 @@ vect_create_addr_base_for_vector_ref (gimple stmt,
{ {
tree tmp = create_tmp_var (sizetype, "offset"); tree tmp = create_tmp_var (sizetype, "offset");
add_referenced_var (tmp);
offset = fold_build2 (MULT_EXPR, sizetype, offset = fold_build2 (MULT_EXPR, sizetype,
fold_convert (sizetype, offset), step); fold_convert (sizetype, offset), step);
base_offset = fold_build2 (PLUS_EXPR, sizetype, base_offset = fold_build2 (PLUS_EXPR, sizetype,
@ -4168,7 +4164,6 @@ vect_permute_store_chain (VEC(tree,heap) *dr_chain,
/* Create interleaving stmt: /* Create interleaving stmt:
high = VEC_PERM_EXPR <vect1, vect2, {0, nelt, 1, nelt+1, ...}> */ high = VEC_PERM_EXPR <vect1, vect2, {0, nelt, 1, nelt+1, ...}> */
perm_dest = create_tmp_reg (vectype, "vect_inter_high"); perm_dest = create_tmp_reg (vectype, "vect_inter_high");
add_referenced_var (perm_dest);
high = make_ssa_name (perm_dest, NULL); high = make_ssa_name (perm_dest, NULL);
perm_stmt perm_stmt
= gimple_build_assign_with_ops3 (VEC_PERM_EXPR, high, = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, high,
@ -4180,7 +4175,6 @@ vect_permute_store_chain (VEC(tree,heap) *dr_chain,
low = VEC_PERM_EXPR <vect1, vect2, {nelt/2, nelt*3/2, nelt/2+1, low = VEC_PERM_EXPR <vect1, vect2, {nelt/2, nelt*3/2, nelt/2+1,
nelt*3/2+1, ...}> */ nelt*3/2+1, ...}> */
perm_dest = create_tmp_reg (vectype, "vect_inter_low"); perm_dest = create_tmp_reg (vectype, "vect_inter_low");
add_referenced_var (perm_dest);
low = make_ssa_name (perm_dest, NULL); low = make_ssa_name (perm_dest, NULL);
perm_stmt perm_stmt
= gimple_build_assign_with_ops3 (VEC_PERM_EXPR, low, = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, low,
@ -4623,7 +4617,6 @@ vect_permute_load_chain (VEC(tree,heap) *dr_chain,
/* data_ref = permute_even (first_data_ref, second_data_ref); */ /* data_ref = permute_even (first_data_ref, second_data_ref); */
perm_dest = create_tmp_reg (vectype, "vect_perm_even"); perm_dest = create_tmp_reg (vectype, "vect_perm_even");
add_referenced_var (perm_dest);
perm_stmt = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, perm_dest, perm_stmt = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, perm_dest,
first_vect, second_vect, first_vect, second_vect,
@ -4637,7 +4630,6 @@ vect_permute_load_chain (VEC(tree,heap) *dr_chain,
/* data_ref = permute_odd (first_data_ref, second_data_ref); */ /* data_ref = permute_odd (first_data_ref, second_data_ref); */
perm_dest = create_tmp_reg (vectype, "vect_perm_odd"); perm_dest = create_tmp_reg (vectype, "vect_perm_odd");
add_referenced_var (perm_dest);
perm_stmt = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, perm_dest, perm_stmt = gimple_build_assign_with_ops3 (VEC_PERM_EXPR, perm_dest,
first_vect, second_vect, first_vect, second_vect,

1
gcc/tree-vect-generic.c
View File

@ -668,7 +668,6 @@ expand_vector_divmod (gimple_stmt_iterator *gsi, tree type, tree op0,
<< shifts[i]) - 1); << shifts[i]) - 1);
cst = build_vector (type, vec); cst = build_vector (type, vec);
addend = create_tmp_reg (type, NULL); addend = create_tmp_reg (type, NULL);
add_referenced_var (addend);
addend = make_ssa_name (addend, NULL); addend = make_ssa_name (addend, NULL);
stmt = gimple_build_assign_with_ops3 (VEC_COND_EXPR, addend, stmt = gimple_build_assign_with_ops3 (VEC_COND_EXPR, addend,
cond, cst, zero); cond, cst, zero);

11
gcc/tree-vect-loop-manip.c
View File

@ -1078,7 +1078,6 @@ set_prologue_iterations (basic_block bb_before_first_loop,
var = create_tmp_var (TREE_TYPE (scalar_loop_iters), var = create_tmp_var (TREE_TYPE (scalar_loop_iters),
"prologue_after_cost_adjust"); "prologue_after_cost_adjust");
add_referenced_var (var);
prologue_after_cost_adjust_name = prologue_after_cost_adjust_name =
force_gimple_operand (scalar_loop_iters, &stmts, false, var); force_gimple_operand (scalar_loop_iters, &stmts, false, var);
@ -1491,7 +1490,6 @@ vect_build_loop_niters (loop_vec_info loop_vinfo, gimple_seq seq)
tree ni = unshare_expr (LOOP_VINFO_NITERS (loop_vinfo)); tree ni = unshare_expr (LOOP_VINFO_NITERS (loop_vinfo));
var = create_tmp_var (TREE_TYPE (ni), "niters"); var = create_tmp_var (TREE_TYPE (ni), "niters");
add_referenced_var (var);
ni_name = force_gimple_operand (ni, &stmts, false, var); ni_name = force_gimple_operand (ni, &stmts, false, var);
pe = loop_preheader_edge (loop); pe = loop_preheader_edge (loop);
@ -1558,7 +1556,6 @@ vect_generate_tmps_on_preheader (loop_vec_info loop_vinfo,
if (!is_gimple_val (ni_minus_gap_name)) if (!is_gimple_val (ni_minus_gap_name))
{ {
var = create_tmp_var (TREE_TYPE (ni), "ni_gap"); var = create_tmp_var (TREE_TYPE (ni), "ni_gap");
add_referenced_var (var);
stmts = NULL; stmts = NULL;
ni_minus_gap_name = force_gimple_operand (ni_minus_gap_name, &stmts, ni_minus_gap_name = force_gimple_operand (ni_minus_gap_name, &stmts,
@ -1583,7 +1580,6 @@ vect_generate_tmps_on_preheader (loop_vec_info loop_vinfo,
if (!is_gimple_val (ratio_name)) if (!is_gimple_val (ratio_name))
{ {
var = create_tmp_var (TREE_TYPE (ni), "bnd"); var = create_tmp_var (TREE_TYPE (ni), "bnd");
add_referenced_var (var);
stmts = NULL; stmts = NULL;
ratio_name = force_gimple_operand (ratio_name, &stmts, true, var); ratio_name = force_gimple_operand (ratio_name, &stmts, true, var);
@ -1604,7 +1600,6 @@ vect_generate_tmps_on_preheader (loop_vec_info loop_vinfo,
if (!is_gimple_val (ratio_mult_vf_name)) if (!is_gimple_val (ratio_mult_vf_name))
{ {
var = create_tmp_var (TREE_TYPE (ni), "ratio_mult_vf"); var = create_tmp_var (TREE_TYPE (ni), "ratio_mult_vf");
add_referenced_var (var);
stmts = NULL; stmts = NULL;
ratio_mult_vf_name = force_gimple_operand (ratio_mult_vf_name, &stmts, ratio_mult_vf_name = force_gimple_operand (ratio_mult_vf_name, &stmts,
@ -1829,7 +1824,6 @@ vect_update_ivs_after_vectorizer (loop_vec_info loop_vinfo, tree niters,
init_expr, fold_convert (type, off)); init_expr, fold_convert (type, off));
var = create_tmp_var (type, "tmp"); var = create_tmp_var (type, "tmp");
add_referenced_var (var);
last_gsi = gsi_last_bb (exit_bb); last_gsi = gsi_last_bb (exit_bb);
ni_name = force_gimple_operand_gsi (&last_gsi, ni, false, var, ni_name = force_gimple_operand_gsi (&last_gsi, ni, false, var,
@ -2035,7 +2029,6 @@ vect_gen_niters_for_prolog_loop (loop_vec_info loop_vinfo, tree loop_niters)
} }
var = create_tmp_var (niters_type, "prolog_loop_niters"); var = create_tmp_var (niters_type, "prolog_loop_niters");
add_referenced_var (var);
stmts = NULL; stmts = NULL;
iters_name = force_gimple_operand (iters, &stmts, false, var); iters_name = force_gimple_operand (iters, &stmts, false, var);
@ -2153,7 +2146,6 @@ vect_do_peeling_for_alignment (loop_vec_info loop_vinfo,
edge pe = loop_preheader_edge (loop); edge pe = loop_preheader_edge (loop);
tree wide_iters = fold_convert (sizetype, niters_of_prolog_loop); tree wide_iters = fold_convert (sizetype, niters_of_prolog_loop);
tree var = create_tmp_var (sizetype, "prolog_loop_adjusted_niters"); tree var = create_tmp_var (sizetype, "prolog_loop_adjusted_niters");
add_referenced_var (var);
wide_prolog_niters = force_gimple_operand (wide_iters, &seq, false, wide_prolog_niters = force_gimple_operand (wide_iters, &seq, false,
var); var);
if (seq) if (seq)
@ -2251,7 +2243,6 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
sprintf (tmp_name, "%s%d", "addr2int", i); sprintf (tmp_name, "%s%d", "addr2int", i);
addr_tmp = create_tmp_reg (int_ptrsize_type, tmp_name); addr_tmp = create_tmp_reg (int_ptrsize_type, tmp_name);
add_referenced_var (addr_tmp);
addr_tmp_name = make_ssa_name (addr_tmp, NULL); addr_tmp_name = make_ssa_name (addr_tmp, NULL);
addr_stmt = gimple_build_assign_with_ops (NOP_EXPR, addr_tmp_name, addr_stmt = gimple_build_assign_with_ops (NOP_EXPR, addr_tmp_name,
addr_base, NULL_TREE); addr_base, NULL_TREE);
@ -2265,7 +2256,6 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
/* create: or_tmp = or_tmp | addr_tmp */ /* create: or_tmp = or_tmp | addr_tmp */
sprintf (tmp_name, "%s%d", "orptrs", i); sprintf (tmp_name, "%s%d", "orptrs", i);
or_tmp = create_tmp_reg (int_ptrsize_type, tmp_name); or_tmp = create_tmp_reg (int_ptrsize_type, tmp_name);
add_referenced_var (or_tmp);
new_or_tmp_name = make_ssa_name (or_tmp, NULL); new_or_tmp_name = make_ssa_name (or_tmp, NULL);
or_stmt = gimple_build_assign_with_ops (BIT_IOR_EXPR, or_stmt = gimple_build_assign_with_ops (BIT_IOR_EXPR,
new_or_tmp_name, new_or_tmp_name,
@ -2283,7 +2273,6 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
/* create: and_tmp = or_tmp & mask */ /* create: and_tmp = or_tmp & mask */
and_tmp = create_tmp_reg (int_ptrsize_type, "andmask" ); and_tmp = create_tmp_reg (int_ptrsize_type, "andmask" );
add_referenced_var (and_tmp);
and_tmp_name = make_ssa_name (and_tmp, NULL); and_tmp_name = make_ssa_name (and_tmp, NULL);
and_stmt = gimple_build_assign_with_ops (BIT_AND_EXPR, and_tmp_name, and_stmt = gimple_build_assign_with_ops (BIT_AND_EXPR, and_tmp_name,

6
gcc/tree-vect-patterns.c
View File

@ -207,8 +207,6 @@ static tree
vect_recog_temp_ssa_var (tree type, gimple stmt) vect_recog_temp_ssa_var (tree type, gimple stmt)
{ {
tree var = create_tmp_reg (type, "patt"); tree var = create_tmp_reg (type, "patt");
add_referenced_var (var);
var = make_ssa_name (var, stmt); var = make_ssa_name (var, stmt);
return var; return var;
} }
@ -502,7 +500,6 @@ vect_handle_widen_op_by_const (gimple stmt, enum tree_code code,
/* Create a_T = (NEW_TYPE) a_t; */ /* Create a_T = (NEW_TYPE) a_t; */
*oprnd = gimple_assign_rhs1 (def_stmt); *oprnd = gimple_assign_rhs1 (def_stmt);
tmp = create_tmp_reg (new_type, NULL); tmp = create_tmp_reg (new_type, NULL);
add_referenced_var (tmp);
new_oprnd = make_ssa_name (tmp, NULL); new_oprnd = make_ssa_name (tmp, NULL);
new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd, *oprnd, new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd, *oprnd,
NULL_TREE); NULL_TREE);
@ -1107,7 +1104,6 @@ vect_operation_fits_smaller_type (gimple stmt, tree def, tree *new_type,
/* Create NEW_OPRND = (INTERM_TYPE) OPRND. */ /* Create NEW_OPRND = (INTERM_TYPE) OPRND. */
oprnd = gimple_assign_rhs1 (def_stmt); oprnd = gimple_assign_rhs1 (def_stmt);
tmp = create_tmp_reg (interm_type, NULL); tmp = create_tmp_reg (interm_type, NULL);
add_referenced_var (tmp);
new_oprnd = make_ssa_name (tmp, NULL); new_oprnd = make_ssa_name (tmp, NULL);
new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd, new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd,
oprnd, NULL_TREE); oprnd, NULL_TREE);
@ -1128,7 +1124,6 @@ vect_operation_fits_smaller_type (gimple stmt, tree def, tree *new_type,
{ {
/* Create a type conversion HALF_TYPE->INTERM_TYPE. */ /* Create a type conversion HALF_TYPE->INTERM_TYPE. */
tmp = create_tmp_reg (interm_type, NULL); tmp = create_tmp_reg (interm_type, NULL);
add_referenced_var (tmp);
new_oprnd = make_ssa_name (tmp, NULL); new_oprnd = make_ssa_name (tmp, NULL);
new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd, new_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd,
oprnd, NULL_TREE); oprnd, NULL_TREE);
@ -1260,7 +1255,6 @@ vect_recog_over_widening_pattern (VEC (gimple, heap) **stmts,
{ {
/* Create NEW_TYPE->USE_TYPE conversion. */ /* Create NEW_TYPE->USE_TYPE conversion. */
tmp = create_tmp_reg (use_type, NULL); tmp = create_tmp_reg (use_type, NULL);
add_referenced_var (tmp);
new_oprnd = make_ssa_name (tmp, NULL); new_oprnd = make_ssa_name (tmp, NULL);
pattern_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd, pattern_stmt = gimple_build_assign_with_ops (NOP_EXPR, new_oprnd,
var, NULL_TREE); var, NULL_TREE);

1
gcc/tree-vect-stmts.c
View File

@ -1271,7 +1271,6 @@ vect_init_vector (gimple stmt, tree val, tree type, gimple_stmt_iterator *gsi)
else else
{ {
new_var = create_tmp_reg (TREE_TYPE (type), NULL); new_var = create_tmp_reg (TREE_TYPE (type), NULL);
add_referenced_var (new_var);
init_stmt = gimple_build_assign_with_ops (NOP_EXPR, init_stmt = gimple_build_assign_with_ops (NOP_EXPR,
new_var, val, new_var, val,
NULL_TREE); NULL_TREE);