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dwarf2out.c (tree_add_const_value_attribute): Do not try rtl_for_decl_init during early phase.

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2016-10-13  Richard Biener  <rguenther@suse.de>

	* dwarf2out.c (tree_add_const_value_attribute): Do not try
	rtl_for_decl_init during early phase.
	(gen_variable_die): Do not create locations during early phase.
	(gen_label_die): Likewise.
	(decls_for_scope): Do not waste time handling BLOCK_NONLOCALIZED_VARs
	twice.

From-SVN: r241085
This commit is contained in:
Richard Biener 2016-10-13 07:16:37 +00:00 committed by Richard Biener
parent 80b489ebba
commit cea4bad102
2 changed files with 29 additions and 12 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2016-10-13 Richard Biener <rguenther@suse.de>
* dwarf2out.c (tree_add_const_value_attribute): Do not try
rtl_for_decl_init during early phase.
(gen_variable_die): Do not create locations during early phase.
(gen_label_die): Likewise.
(decls_for_scope): Do not waste time handling BLOCK_NONLOCALIZED_VARs
twice.
2016-10-12 Richard Biener <rguenther@suse.de>
* tree-vrp.c (evrp_dom_walker::try_find_new_range): Renamed from

32
gcc/dwarf2out.c
View File

@ -17977,12 +17977,15 @@ tree_add_const_value_attribute (dw_die_ref die, tree t)
init = t;
gcc_assert (!DECL_P (init));
rtl = rtl_for_decl_init (init, type);
if (rtl)
return add_const_value_attribute (die, rtl);
if (! early_dwarf)
{
rtl = rtl_for_decl_init (init, type);
if (rtl)
return add_const_value_attribute (die, rtl);
}
/* If the host and target are sane, try harder. */
else if (CHAR_BIT == 8 && BITS_PER_UNIT == 8
&& initializer_constant_valid_p (init, type))
if (CHAR_BIT == 8 && BITS_PER_UNIT == 8
&& initializer_constant_valid_p (init, type))
{
HOST_WIDE_INT size = int_size_in_bytes (TREE_TYPE (init));
if (size > 0 && (int) size == size)
@ -21288,13 +21291,13 @@ gen_variable_die (tree decl, tree origin, dw_die_ref context_die)
if (com_decl)
{
dw_die_ref com_die;
dw_loc_list_ref loc;
dw_loc_list_ref loc = NULL;
die_node com_die_arg;
var_die = lookup_decl_die (decl_or_origin);
if (var_die)
{
if (get_AT (var_die, DW_AT_location) == NULL)
if (! early_dwarf && get_AT (var_die, DW_AT_location) == NULL)
{
loc = loc_list_from_tree (com_decl, off ? 1 : 2, NULL);
if (loc)
@ -21328,7 +21331,8 @@ gen_variable_die (tree decl, tree origin, dw_die_ref context_die)
com_die_arg.decl_id = DECL_UID (com_decl);
com_die_arg.die_parent = context_die;
com_die = common_block_die_table->find (&com_die_arg);
loc = loc_list_from_tree (com_decl, 2, NULL);
if (! early_dwarf)
loc = loc_list_from_tree (com_decl, 2, NULL);
if (com_die == NULL)
{
const char *cnam
@ -21569,7 +21573,7 @@ gen_label_die (tree decl, dw_die_ref context_die)
if (DECL_ABSTRACT_P (decl))
equate_decl_number_to_die (decl, lbl_die);
else
else if (! early_dwarf)
{
insn = DECL_RTL_IF_SET (decl);
@ -23346,9 +23350,13 @@ decls_for_scope (tree stmt, dw_die_ref context_die)
{
for (decl = BLOCK_VARS (stmt); decl != NULL; decl = DECL_CHAIN (decl))
process_scope_var (stmt, decl, NULL_TREE, context_die);
for (i = 0; i < BLOCK_NUM_NONLOCALIZED_VARS (stmt); i++)
process_scope_var (stmt, NULL, BLOCK_NONLOCALIZED_VAR (stmt, i),
context_die);
/* BLOCK_NONLOCALIZED_VARs simply generate DIE stubs with abstract
origin - avoid doing this twice as we have no good way to see
if we've done it once already. */
if (! early_dwarf)
for (i = 0; i < BLOCK_NUM_NONLOCALIZED_VARS (stmt); i++)
process_scope_var (stmt, NULL, BLOCK_NONLOCALIZED_VAR (stmt, i),
context_die);
}
/* Even if we're at -g1, we need to process the subblocks in order to get