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authorAldy Hernandez <aldyh@redhat.com>2009-06-12 22:06:47 +0000
committerAldy Hernandez <aldyh@gcc.gnu.org>2009-06-12 22:06:47 +0000
commitc2255bc4884a7624b32185e188fdb94a4167a35c (patch)
tree67f495ddc3964a90084152e177995da72e7bce30 /gcc/tree-ssa-ccp.c
parent312243969e3a0022c0eabe6f974c24abd4a2211b (diff)
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java-gimplify.c (java_gimplify_block): New argument to build_empty_stmt.
gcc/java/ * java-gimplify.c (java_gimplify_block): New argument to build_empty_stmt. * expr.c (force_evaluation_order): Same. * typeck.c: Add location to build_decl or PUSH_FIELD calls. * class.c: Same. * decl.c: Same. * jcf-parse.c: Same. * constants.c: Same. * resource.c: Same. * except.c: Same. * builtins.c: Same. * expr.c: Same. * java-tree.h (PUSH_FIELD): Add location field. gcc/objc/ * objc-act.c (finish_var_decl): Pass location to finish_decl. (objc_get_parm_info): Same. (get_super_receiver): Same. * objc-act.c (objc_build_component_ref): Pass location to build_compound_ref. (build_module_initializer_routine): Pass location to c_end_compound_stmt. (objc_generate_static_init_call): Pass location to build_stmt. (build_typed_selector_reference): New location argument. (build_selector_reference): Same. (objc_substitute_decl): Pass location to build_array_ref. (next_sjlj_build_try_catch_finally): Pass location to build_stmt. (objc_begin_catch_clause): Same. (objc_finish_try_stmt): Same. (objc_finish_catch_clause): Pass location to c_end_compound_stmt. (objc_build_throw_stmt): New argument. (generate_shared_structures): Pass location to build_c_cast. (objc_build_message_expr): Use local location. (objc_finish_message_expr): Use input_location. (build_objc_method_call): New argument. (objc_build_selector_expr): Same. (get_super_receiver): Pass location to build_c_cast, build_modify_expr, build_compound_expr. * objc-act.c: Add location to all calls to start_struct, build_decl, finish_struct. gcc/ * tree-pretty-print.c (dump_generic_node): Dump column numbers. * gimple-pretty-print.c (dump_gimple_stmt): Same. * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs created. * c-parser.c (c_parser_binary_expression): Use current column while building binary operations. * common.opt (fshow-column): Enable by default. * tree-vrp.c (check_array_ref): Use warning_at. (check_array_bounds): Use location from call back if expr has no location. * tree.h: Add location argument to maybe_fold_*. * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*. (maybe_fold_offset_to_array_ref): Add location argument and use it. (maybe_fold_offset_to_component_ref): Same. (maybe_fold_offset_to_reference): Same. (maybe_fold_offset_to_address): Same. (maybe_fold_stmt_indirect): Same. (maybe_fold_stmt_addition): Same. (fold_stmt_r): Pass location to maybe_fold_*. (fold_gimple_assign): Same. * c-tree.h: Add location argument to finish_decl, default_function_array_conversion, store_init_value. * c-decl.c (define_label): Use error_at. (c_make_fname_decl): Pass location to finish_decl. (finish_decl): New location argument. (build_compound_literal): Pass location to store_init_value. (grokdeclarator): Pass location to finish_decl. (grokfield): Same. * c-typeck.c (array_to_pointer_conversion): New location argument. (function_to_pointer_conversion): Same. (default_function_array_conversion): Same. (parser_build_unary_op): Pass location to overflow_warning. (parser_build_binary_op): Same. Use warning_at. (build_unary_op): Pass location to array_to_pointer_conversion. (build_c_cast): Pass location to digest_init. (build_modify_expr): New location argument. (convert_for_assignment): Same. (store_init_value): Same. (digest_init): Same. (output_init_element): Pass location to digest_init and array_to_pointer_conversion. (c_finish_return): Pass location to convert_for_assignment. * gimplify.c (gimplify_conversion): Pass location to maybe_fold_offset_to_address. * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location to maybe_fold_stmt_addition. * c-omp.c (c_finish_omp_atomic): Pass new location to build_modify_expr. (c_finish_omp_for): Same. * c-common.c (overflow_warning): New argument. * c-common.h: New argument to build_modify_expr, overflow_warning. * c-parser.c (c_parser_declaration_or_fndef): Pass location to finish_decl. (c_parser_initializer): Pass location to default_function_array_conversion. (c_parser_initelt): Same. (c_parser_initval): Same. (c_parser_asm_operands): Same. (c_parser_expr_no_commas): Same. Pass location to build_modify_expr. (c_parser_conditional_expression): Same. (c_parser_binary_expression): Add location info to stack. Use it. (c_parser_unary_expression): Pass location to default_function_array_conversion, parser_build_unary_op, build_indirect_ref, c_parser_postfix_expression_after_primary. (c_parser_postfix_expression_after_primary): New location argument. Use it. (c_parser_expression_conv): Pass location to default_function_array_conversion. (c_parser_expr_list): Same. (c_parser_omp_atomic): Same. (c_parser_omp_for_loop): Same. * c-tree.h: (struct c_declarator): Add comment to id_loc. (build_array_declarator): New argument. * c-decl.c (build_array_declarator): Add location argument. (grokdeclarator): Set id_loc for cdk_array. * c-parser.c (c_parser_direct_declarator_inner): Pass location to build_array_declarator. * tree.c (build_omp_clause): Add location argument. * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro. (OMP_CLAUSE_LOCATION): New macro. (struct tree_omp_clause): Add location field. (build_omp_clause): Add argument. * testsuite/gcc.dg/gomp/for-1.c: Fix column. * cp/pt.c (tsubst_omp_for_iterator): Pass location to build_omp_clause. * cp/parser.c (cp_parser_omp_var_list_no_open): Same. (cp_parser_omp_clause_collapse): Same. (cp_parser_omp_clause_default): Same. (cp_parser_omp_clause_if): Same. (cp_parser_omp_clause_nowait): Same. (cp_parser_omp_clause_num_threads): Same. (cp_parser_omp_clause_ordered): Same. (cp_parser_omp_clause_schedule): Same. (cp_parser_omp_clause_untied): Same. (cp_parser_omp_for_loop): Same. (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses. * c-tree.h (c_start_case): Add location argument. (c_process_expr_stmt): Same. (c_finish_goto_*): Same. * tree-parloops.c (initialize_reductions): Pass location to build_omp_clause. (create_parallel_loop): Same. * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same. (gfc_trans_omp_reduction_list): Same. (gfc_trans_omp_clauses): Same. (gfc_trans_omp_do): Same. * c-typeck.c (c_finish_goto_label): Same. (c_finish_goto_ptr): New location argument. (c_start_case): Same. (emit_side_effect_warnings): Same. (c_process_expr_stmt): Same. (c_finish_stmt_expr): Same. (c_finish_omp_clauses): Use error_at instead of error. * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to build_omp_clause. * c-omp.c (c_split_parallel_clauses): New location argument. * tree-nested.c (convert_nonlocal_reference_stmt): Pass location to build_omp_clause. (convert_local_reference_stmt): Same. (convert_gimple_call): Same. * c-common.h (c_split_parallel_clauses): New argument. * c-parser.c (c_parser_statement_after_labels): Pass location to c_finish_goto_label. (c_parser_switch_statement): Pass location to c_start_case. (c_parser_for_statement): Pass location to c_finish_expr_stmt, and c_process_expr_stmt. (c_parser_omp_variable_list): Add location argument. (c_parser_omp_clause_collapse): Pass location to build_omp_clause. (c_parser_omp_clause_default): Same. (c_parser_omp_clause_if): Same. (c_parser_omp_clause_num_threads): Same. (-c_parser_omp_clause_ordered): Same. (c_parser_omp_clause_reduction): Pass location to c_parser_omp_variable_list. (c_parser_omp_clause_schedule): Pass location to build_omp_clause. (c_parser_omp_clause_untied): Same. (c_parser_omp_for_loop): Pass location to c_process_expr_stmt. (c_parser_omp_parallel): Pass location to c_split_parallel_clauses. * c-tree.h (check_for_loop_decls, undeclared_variable, build_component_ref, build_array_ref, build_external_ref, c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op, build_conditional_expr, build_compound_expr, c_cast_expr, build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr, c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New argument. * c-semantics.c (build_stmt): Same. (build_case_label): Same. * c-decl.c (c_finish_incomplete_decl): Pass location on down. (undeclared_variable): New argument. (make_label): Same. (lookup_label): Pass location on down. (define_label): Same. (finish_decl): Same. (build_compound_literal): Same. (finish_struct): Same. (finish_function): Do not set location here. (check_for_loop_decls): New argument. * tree.c (save_expr): Set location. (build_empty_stmt): New argument. * tree.h (build_empty_stmt): New argument to build_empty_stmt. (CAN_HAVE_LOCATION_P): Make sure we have a non empty node. * builtins.c (gimplify_va_arg_expr): Use locations. (expand_builtin_sync_operation): Same. * c-typeck.c (build_component_ref): New argument. (build_array_ref): Same. (build_external_ref): Same. (c_expr_sizeof_expr): Same. (c_expr_sizeof_type): Same. (parser_build_unary_op): Same. (build_conditional_expr): Same. (build_compound_expr): Pass location on down. (build_compound_expr): New argument. (build_c_cast): Same. (c_cast_expr): Same. (build_asm_expr): Same. (c_finish_return): Same. (c_process_expr_stmt): Pass location on down. (c_finish_stmt_expr): New argument. (push_clenaup): Same. (c_finish_omp_parallel): Same. (c_finish_omp_task): Same. * gimplify.c (gimplify_call_expr): Pass location on down. * c-omp.c (c_finish_omp_master): New argument. (c_finish_omp_critical): Same. (c_finish_omp_ordered): Same. (c_finish_omp_barrier): Same. (-c_finish_omp_taskwait): Same. (c_finish_omp_atomic): Same. (c_finish_omp_flush): Same. * tree-inline.c (copy_tree_body_r): Pass location on down. (inline_forbidden_p): Remove use of input_location. * c-gimplify.c (c_build_bind_expr): New argument. * c-common.c (c_common_truthvalue_conversion): Pass location on down. (c_sizeof_or_alignof_type): New argument. (c_alignof_expr): Same. (build_va_arg): Same. (c_add_case_label): Same. * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr, c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label, c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt, c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses): New argument. * stub-objc.c (objc_build_selector_expr): Same. (objc_build_throw_stmt): Same. * c-parser.c (c_parser_declaration_or_fndef): Pass location on down. (c_parser_initelt): Same. (c_parser_compound_statement): Same. (c_parser_compound_statement_nostart): Same. (c_parser_label): Same. (c_parser_statement_after_labels): Same. (c_parser_if_body): Same. (c_parser_else_body): Same. (c_parser_if_statement): Same. (c_parser_switch_statement): Same. (c_parser_while_statement): Same. (c_parser_do_statement): Same. (c_parser_for_statement): Same. (c_parser_asm_statement): Same. (c_parser_conditional_expression): Same. (c_parser_binary_expression): Same. (c_parser_cast_expression): Same. (c_parser_unary_expression): Same. (c_parser_sizeof_expression): Same. (c_parser_alignof_expression): Same. (c_parser_postfix_expression): Same. (c_parser_expression): Same. (c_parser_objc_receiver): Same. (c_parser_omp_variable_list): Same. (c_parser_omp_structured_block): Same. (c_parser_omp_atomic): New argument. (c_parser_omp_barrier): Same. (c_parser_omp_critical): Same. (c_parser_omp_flush): Pass location on down. (c_parser_omp_for_loop): New argument. (c_parser_omp_for): Same. (c_parser_omp_master): Same. (c_parser_omp_ordered): Same. (c_parser_omp_sections_scope): Same. (c_parser_omp_sections): Same. (c_parser_omp_parallel): Same. (c_parser_omp_single): Same. (c_parser_omp_task): Same. (c_parser_omp_taskwait): Pass location on down. (c_parser_omp_construct): Same. (c_parser_omp_threadprivate): Same. * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h, builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c, tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c, c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c, c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c, emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c, rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h, tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c, config/i386/i386.c, stmt.c: Add location argument to the following function definitions and/or function calls: build_decl, objcp_start_struct, objcp_finish_struct, start_struct, finish_struct, PUSH_FIELD, create_artificial_label, cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl, build_compound_literal, parser_xref_tag, resolve_overloaded_builtin, do_case, c_finish_bc_stmt, build_compound_literal, build_function_call. * c-decl.c (build_compound_literal): Add location argument. Make all diagnostic calls use location. (start_struct): Same. (finish_struct): Same. (start_enum): Same. (build_enumerator): Same. (start_function): Same. (grokdeclarator): Make all diagnostic calls use location. (store_parm_decls_oldstyle): Same. * c-typeck.c (build_function_call): Add location argument. Make all diagnostic calls use location. (do_case): Same. (c_finish_bc_stmt): Same. * tree-nested.c (get_trampoline_type): Add argument. Pass location to build_decl. (lookup_tramp_for_decl): Pass location to get_trampoline_type. * rtl.h (RTL_LOCATION): New. * c-common.c (c_add_case_label): Add location argument. Make all diagnostic calls use location. * c-common.h: Add location argument to make_fname_decl, do_case, c_add_case_label, build_function_call, resolve_overloaded_builtin. * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc. Set it appropriately for every case. Pass enum_loc to start_enum call. Pass value_loc first to build_enumerator. Pass enum_loc to parser_xref_tag. (c_parser_struct_or_union_specifier): Save location. Use it for start_struct, finish_struct, and parser_xref_tag. gcc/testsuite/ * gcc.dg/old-style-prom-3.c: Add column info. * gcc.dg/overflow-warn-1.c * gcc.dg/gomp/pr27415.c * gcc.dg/gomp/for-1.c: Same. * gcc.dg/enum-compat-1.c: Same. * gcc.dg/c99-tag-3.c: Same. * gcc.dg/Wredundant-decls-2.c: Same. * gcc.dg/func-ptr-conv-1.c: Same. * gcc.dg/asm-wide-1.c: Same. * gcc.dg/nofixed-point-2.c: Same. * gcc.dg/cpp/line3.c: Same. * gcc.dg/array-10.c: Same. * gcc.dg/c99-vla-jump-1.c: Same. * gcc.dg/pr20368-1.c: Same. * gcc.dg/Wshadow-3.c: Same. * gcc.dg/c90-const-expr-8.c: Same. * gcc.dg/label-decl-2.c: Same. * gcc.dg/dremf-type-compat-2.c: Same. * gcc.dg/c90-const-expr-5.c: Same. * gcc.dg/builtins-30.c: Same. * gcc.dg/Warray-bounds.c: Same. * gcc.dg/Wcxx-compat-2.c: Same. * gcc.dg/tree-ssa/col-1.c: Same. * gcc.dg/old-style-prom-2.c: Same. * gcc.dg/cast-function-1.c: Same. * gcc.dg/pr15698-1.c: Same. * gcc.dg/dremf-type-compat-3.c: Same. * gcc.dg/vla-8.c: Same. * gcc.dg/gomp/pr27415.c: Move firstprivate diagnostics to correct line. * gcc.dg/label-decl-2.c: Move label diagnostic to correct line. * gcc.dg/old-style-prom-3.c: Check for error on the correct line. * gcc.dg/enum-compat-1.c: Same. * gcc.dg/dremf-type-compat-2.c: Same. * gcc.dg/old-style-prom-2.c: Same. * gcc.dg/pr15698-1.c: Same. * gcc.dg/pr20368-1.c: Same. * gcc.dg/dremf-type-compat-3.c: Same. * gcc.dg/builtins-30.c: Same. Test for columns. gcc/objcp/ * objcp-decl.h (c_end_compound_stmt): New argument. * objcp-decl.c (objcp_start_struct): Add argument. (objcp_finish_struct): Same. gcc/cp/ * typeck.c (cp_build_binary_op): Pass location to overflow_warning. (build_modify_expr): New arg. * semantics.c (finish_unary_op_expr): Pass location to overflow_warning. (handle_omp_for_class_iterator): Pass location to build_modify_expr. * typeck.c (cxx_sizeof_or_alignof_type): Pass location to c_sizeof_or_alignof_type. (build_array_ref): New argument. (build_compound_expr): Same. (build_const_cast): Same. (build_ptrmemfunc): Pass location to build_c_cast. * init.c (avoid_placement_new_aliasing): Pass location to build_stmt. (build_vec_delete_1): Pass location to cp_build_modify_expr, build_compound_expr. * class.c (build_vtbl_ref_1): Pass location to build_array_ref. * decl.c (poplevel): Pass location to c_build_bind_expr. (finish_case_label): Pass location to build_case_label. (finish_constructor_body): Same. (finish_destructor_body): Pass location to build_stmt. (cxx_maybe_build_cleanup): Same, but to build_compound_expr. * call.c (build_new_op): Pass location to build_array_ref. (build_x_va_arg): Pass location to build_va_arg. * except.c (expand_end_catch_block): Pass location to build_stmt. * cp-tree.h (build_array_ref): New argument. (build_compound_expr): Same. (build_c_cast): Same. * cp-gimplify.c (gimplify_if_stmt): Pass location on down. (gimplify_switch_stmt): Same. * typeck2.c (split_nonconstant_init_1): Same. * pt.c (tsubst_copy): Same. * semantics.c (add_decl_expr): Same. (do_poplevel): Same. (push_cleanup): Same. (finish_goto_stmt): Same. (finish_expr_stmt): Same. (begin_if_stmt): Same. (begin_while_stmt): Same. (begin_do_stmt): Same. (finish_return_stmt): Same. (begin_for_stmt): Same. (finish_break_stmt): Same. (finish_continue_stmt): Same. (begin_switch_stmt): Same. (begin_try_block): Same. (begin_handler): Same. (finish_asm_stmt): Same. (finish_label_stmt): Same. (finish_stmt_expr_expr): Same. (finalize_nrv_r): Same. (finish_omp_atomic): Same. * name-lookup.c (do_using_directive): Same. * decl2.c (grok_array_decl): Same. * parser.c (cp_parser_cast_expression): Same. (cp_parser_selection_statement): Same. (cp_parser_implicitly_scoped_statement): Same. (cp_parser_objc_selector_expression): Same. (cp_parser_objc_synchronized_statement): Same. (cp_parser_objc_throw_statement): Same. (cp_parser_omp_critical): Same. (cp_parser_omp_master): Same. * typeck.c (build_function_call): Add location argument. * init.c: Add location argument to all build_decl calls. * class.c: Same. * method.c: Same. * rtti.c: Same. * tree.c: Same. * pt.c: Same. * semantics.c: Same. * lex.c: Same. * decl2.c: Same. * cp-gimplify.c: Same. * decl.c: Same. (cp_make_fname_decl): Add location argument. Pass location ot build_decl. (finish_case_label): Same. * cp-tree.h (finish_case_label): Add location argument. * parser.c (cp_parser_label_for_labeled_statement): Pass location to finish_case_label. gcc/fortran/ * trans-array.c (gfc_trans_allocate_array_storage): Pass location on down. (gfc_trans_array_constructor_value): Same. (gfc_trans_scalarized_loop_end): Same. (gfc_conv_ss_startstride): Same. (gfc_trans_g77_array): Same. (gfc_trans_dummy_array_bias): Same. (gfc_conv_array_parameter): Same. (structure_alloc_comps): Same. * trans-expr.c (gfc_conv_function_call): Same. (fill_with_spaces): Same. (gfc_trans_string_copy): Same. (gfc_trans_scalar_assign): Same. * trans-stmt.c (gfc_trans_goto): Same. (gfc_trans_if_1): Same. (gfc_trans_simple_do): Same. (gfc_trans_do): Same. (gfc_trans_do_while): Same. (gfc_trans_logical_select): Same. (gfc_trans_select): Same. (gfc_trans_forall_loop): Same. (gfc_trans_nested_forall_loop): Same. (generate_loop_for_temp_to_lhs): Same. (generate_loop_for_rhs_to_temp): Same. (gfc_trans_forall_1): Same. (gfc_trans_where_assign): Same. (gfc_trans_where_3): Same. (gfc_trans_allocate): Same. * trans.c (gfc_finish_block): Same. (gfc_trans_runtime_check): Same. (gfc_call_malloc): Same. (gfc_allocate_with_status): Same. (gfc_call_free): Same. (gfc_deallocate_with_status): Same. (gfc_call_realloc): Same. (gfc_trans_code): Same. * trans-decl.c (gfc_init_default_dt): Same. (gfc_generate_constructors): Same. * trans-io.c (gfc_trans_io_runtime_check): Same. * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same. (gfc_conv_intrinsic_fdate): Same. (gfc_conv_intrinsic_ttynam): Same. (gfc_conv_intrinsic_minmax): Same. (gfc_conv_intrinsic_minmax_char): Same. (gfc_conv_intrinsic_anyall): Same. (gfc_conv_intrinsic_count): Same. (gfc_conv_intrinsic_arith): Same. (gfc_conv_intrinsic_minmaxloc): Same. (gfc_conv_intrinsic_minmaxval): Same. (gfc_conv_intrinsic_rrspacing): Same. (gfc_conv_intrinsic_array_transfer): Same. (gfc_conv_intrinsic_trim): Same. (gfc_conv_intrinsic_repeat): Same. From-SVN: r148442
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
-rw-r--r--gcc/tree-ssa-ccp.c94
1 files changed, 65 insertions, 29 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c
index fb6eb4d..3c88766 100644
--- a/gcc/tree-ssa-ccp.c
+++ b/gcc/tree-ssa-ccp.c
@@ -1048,7 +1048,8 @@ ccp_fold (gimple stmt)
if (!useless_type_conversion_p (TREE_TYPE (lhs),
TREE_TYPE (op0))
&& ((tem = maybe_fold_offset_to_address
- (op0, integer_zero_node, TREE_TYPE (lhs)))
+ (gimple_location (stmt),
+ op0, integer_zero_node, TREE_TYPE (lhs)))
!= NULL_TREE))
return tem;
return op0;
@@ -1085,8 +1086,8 @@ ccp_fold (gimple stmt)
&& TREE_CODE (op1) == INTEGER_CST)
{
tree lhs = gimple_assign_lhs (stmt);
- tree tem = maybe_fold_offset_to_address (op0, op1,
- TREE_TYPE (lhs));
+ tree tem = maybe_fold_offset_to_address
+ (gimple_location (stmt), op0, op1, TREE_TYPE (lhs));
if (tem != NULL_TREE)
return tem;
}
@@ -1644,10 +1645,13 @@ struct gimple_opt_pass pass_ccp =
/* A subroutine of fold_stmt. Attempts to fold *(A+O) to A[X].
BASE is an array type. OFFSET is a byte displacement. ORIG_TYPE
- is the desired result type. */
+ is the desired result type.
+
+ LOC is the location of the original expression. */
static tree
-maybe_fold_offset_to_array_ref (tree base, tree offset, tree orig_type,
+maybe_fold_offset_to_array_ref (location_t loc, tree base, tree offset,
+ tree orig_type,
bool allow_negative_idx)
{
tree min_idx, idx, idx_type, elt_offset = integer_zero_node;
@@ -1780,16 +1784,23 @@ maybe_fold_offset_to_array_ref (tree base, tree offset, tree orig_type,
&& compare_tree_int (idx, 0) < 0)
return NULL_TREE;
- return build4 (ARRAY_REF, elt_type, base, idx, NULL_TREE, NULL_TREE);
+ {
+ tree t = build4 (ARRAY_REF, elt_type, base, idx, NULL_TREE, NULL_TREE);
+ SET_EXPR_LOCATION (t, loc);
+ return t;
+ }
}
/* Attempt to fold *(S+O) to S.X.
BASE is a record type. OFFSET is a byte displacement. ORIG_TYPE
- is the desired result type. */
+ is the desired result type.
+
+ LOC is the location of the original expression. */
static tree
-maybe_fold_offset_to_component_ref (tree record_type, tree base, tree offset,
+maybe_fold_offset_to_component_ref (location_t loc, tree record_type,
+ tree base, tree offset,
tree orig_type, bool base_is_ptr)
{
tree f, t, field_type, tail_array_field, field_offset;
@@ -1872,14 +1883,16 @@ maybe_fold_offset_to_component_ref (tree record_type, tree base, tree offset,
new_base = build1 (INDIRECT_REF, record_type, base);
else
new_base = base;
+ protected_set_expr_location (new_base, loc);
new_base = build3 (COMPONENT_REF, field_type, new_base, f, NULL_TREE);
+ protected_set_expr_location (new_base, loc);
/* Recurse to possibly find the match. */
- ret = maybe_fold_offset_to_array_ref (new_base, t, orig_type,
+ ret = maybe_fold_offset_to_array_ref (loc, new_base, t, orig_type,
f == TYPE_FIELDS (record_type));
if (ret)
return ret;
- ret = maybe_fold_offset_to_component_ref (field_type, new_base, t,
+ ret = maybe_fold_offset_to_component_ref (loc, field_type, new_base, t,
orig_type, false);
if (ret)
return ret;
@@ -1895,25 +1908,32 @@ maybe_fold_offset_to_component_ref (tree record_type, tree base, tree offset,
/* If we get here, we've got an aggregate field, and a possibly
nonzero offset into them. Recurse and hope for a valid match. */
if (base_is_ptr)
- base = build1 (INDIRECT_REF, record_type, base);
+ {
+ base = build1 (INDIRECT_REF, record_type, base);
+ SET_EXPR_LOCATION (base, loc);
+ }
base = build3 (COMPONENT_REF, field_type, base, f, NULL_TREE);
+ SET_EXPR_LOCATION (base, loc);
- t = maybe_fold_offset_to_array_ref (base, offset, orig_type,
+ t = maybe_fold_offset_to_array_ref (loc, base, offset, orig_type,
f == TYPE_FIELDS (record_type));
if (t)
return t;
- return maybe_fold_offset_to_component_ref (field_type, base, offset,
+ return maybe_fold_offset_to_component_ref (loc, field_type, base, offset,
orig_type, false);
}
/* Attempt to express (ORIG_TYPE)BASE+OFFSET as BASE->field_of_orig_type
- or BASE[index] or by combination of those.
+ or BASE[index] or by combination of those.
+
+ LOC is the location of original expression.
Before attempting the conversion strip off existing ADDR_EXPRs and
handled component refs. */
tree
-maybe_fold_offset_to_reference (tree base, tree offset, tree orig_type)
+maybe_fold_offset_to_reference (location_t loc, tree base, tree offset,
+ tree orig_type)
{
tree ret;
tree type;
@@ -1960,13 +1980,17 @@ maybe_fold_offset_to_reference (tree base, tree offset, tree orig_type)
return NULL_TREE;
type = TREE_TYPE (TREE_TYPE (base));
}
- ret = maybe_fold_offset_to_component_ref (type, base, offset,
+ ret = maybe_fold_offset_to_component_ref (loc, type, base, offset,
orig_type, base_is_ptr);
if (!ret)
{
if (base_is_ptr)
- base = build1 (INDIRECT_REF, type, base);
- ret = maybe_fold_offset_to_array_ref (base, offset, orig_type, true);
+ {
+ base = build1 (INDIRECT_REF, type, base);
+ SET_EXPR_LOCATION (base, loc);
+ }
+ ret = maybe_fold_offset_to_array_ref (loc,
+ base, offset, orig_type, true);
}
return ret;
}
@@ -1974,17 +1998,21 @@ maybe_fold_offset_to_reference (tree base, tree offset, tree orig_type)
/* Attempt to express (ORIG_TYPE)&BASE+OFFSET as &BASE->field_of_orig_type
or &BASE[index] or by combination of those.
+ LOC is the location of the original expression.
+
Before attempting the conversion strip off existing component refs. */
tree
-maybe_fold_offset_to_address (tree addr, tree offset, tree orig_type)
+maybe_fold_offset_to_address (location_t loc, tree addr, tree offset,
+ tree orig_type)
{
tree t;
gcc_assert (POINTER_TYPE_P (TREE_TYPE (addr))
&& POINTER_TYPE_P (orig_type));
- t = maybe_fold_offset_to_reference (addr, offset, TREE_TYPE (orig_type));
+ t = maybe_fold_offset_to_reference (loc, addr, offset,
+ TREE_TYPE (orig_type));
if (t != NULL_TREE)
{
tree orig = addr;
@@ -2021,7 +2049,9 @@ maybe_fold_offset_to_address (tree addr, tree offset, tree orig_type)
ptr_type = build_pointer_type (TREE_TYPE (t));
if (!useless_type_conversion_p (orig_type, ptr_type))
return NULL_TREE;
- return build_fold_addr_expr_with_type (t, ptr_type);
+ t = build_fold_addr_expr_with_type (t, ptr_type);
+ protected_set_expr_location (t, loc);
+ return t;
}
return NULL_TREE;
@@ -2035,6 +2065,7 @@ maybe_fold_stmt_indirect (tree expr, tree base, tree offset)
{
tree t;
bool volatile_p = TREE_THIS_VOLATILE (expr);
+ location_t loc = EXPR_LOCATION (expr);
/* We may well have constructed a double-nested PLUS_EXPR via multiple
substitutions. Fold that down to one. Remove NON_LVALUE_EXPRs that
@@ -2075,7 +2106,7 @@ maybe_fold_stmt_indirect (tree expr, tree base, tree offset)
return DECL_INITIAL (base);
/* Try folding *(&B+O) to B.X. */
- t = maybe_fold_offset_to_reference (base_addr, offset,
+ t = maybe_fold_offset_to_reference (loc, base_addr, offset,
TREE_TYPE (expr));
if (t)
{
@@ -2114,7 +2145,7 @@ maybe_fold_stmt_indirect (tree expr, tree base, tree offset)
/* Try folding *(B+O) to B->X. Still an improvement. */
if (POINTER_TYPE_P (TREE_TYPE (base)))
{
- t = maybe_fold_offset_to_reference (base, offset,
+ t = maybe_fold_offset_to_reference (loc, base, offset,
TREE_TYPE (expr));
if (t)
return t;
@@ -2139,7 +2170,7 @@ maybe_fold_stmt_indirect (tree expr, tree base, tree offset)
which may be able to propagate further. */
tree
-maybe_fold_stmt_addition (tree res_type, tree op0, tree op1)
+maybe_fold_stmt_addition (location_t loc, tree res_type, tree op0, tree op1)
{
tree ptd_type;
tree t;
@@ -2236,12 +2267,15 @@ maybe_fold_stmt_addition (tree res_type, tree op0, tree op1)
ptd_type = TREE_TYPE (TREE_TYPE (op0));
/* At which point we can try some of the same things as for indirects. */
- t = maybe_fold_offset_to_array_ref (op0, op1, ptd_type, true);
+ t = maybe_fold_offset_to_array_ref (loc, op0, op1, ptd_type, true);
if (!t)
- t = maybe_fold_offset_to_component_ref (TREE_TYPE (op0), op0, op1,
+ t = maybe_fold_offset_to_component_ref (loc, TREE_TYPE (op0), op0, op1,
ptd_type, false);
if (t)
- t = build1 (ADDR_EXPR, res_type, t);
+ {
+ t = build1 (ADDR_EXPR, res_type, t);
+ SET_EXPR_LOCATION (t, loc);
+ }
return t;
}
@@ -2740,7 +2774,8 @@ fold_gimple_assign (gimple_stmt_iterator *si)
&& POINTER_TYPE_P (TREE_TYPE (gimple_assign_rhs1 (stmt))))
{
tree type = gimple_expr_type (stmt);
- tree t = maybe_fold_offset_to_address (gimple_assign_rhs1 (stmt),
+ tree t = maybe_fold_offset_to_address (gimple_location (stmt),
+ gimple_assign_rhs1 (stmt),
integer_zero_node, type);
if (t)
return t;
@@ -2760,7 +2795,8 @@ fold_gimple_assign (gimple_stmt_iterator *si)
(TREE_TYPE (gimple_assign_lhs (stmt)), type))
type = TREE_TYPE (gimple_assign_rhs1 (stmt));
}
- result = maybe_fold_stmt_addition (type,
+ result = maybe_fold_stmt_addition (gimple_location (stmt),
+ type,
gimple_assign_rhs1 (stmt),
gimple_assign_rhs2 (stmt));
}