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[DWARF] dwarf2out cleanups

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https://gcc.gnu.org/ml/gcc-patches/2019-05/msg00485.html
	* dwarf2out.c (breakout_comdat_types): Move comment to correct
	piece of code.
	(const_ok_for_output_1): Balance parens around #if/#else/#endif
	(gen_member_die): Move abstract origin check earlier.  Only VARs
	can be static_inline_p.  Simplify splicing control flow.

From-SVN: r271127
This commit is contained in:
Nathan Sidwell 2019-05-13 11:56:57 +00:00 committed by Nathan Sidwell
parent 61021c35c0
commit f78f5d2392
2 changed files with 33 additions and 21 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2019-05-13 Nathan Sidwell <nathan@acm.org>
* dwarf2out.c (breakout_comdat_types): Move comment to correct
piece of code.
(const_ok_for_output_1): Balance parens around #if/#else/#endif
(gen_member_die): Move abstract origin check earlier. Only VARs
can be static_inline_p. Simplify splicing control flow.
2019-05-13 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_get_and_check_slp_defs): Handle

46
gcc/dwarf2out.c
View File

@ -8576,11 +8576,12 @@ break_out_comdat_types (dw_die_ref die)
/* Break out nested types into their own type units. */
break_out_comdat_types (c);
/* Create a new type unit DIE as the root for the new tree, and
add it to the list of comdat types. */
/* Create a new type unit DIE as the root for the new tree. */
unit = new_die (DW_TAG_type_unit, NULL, NULL);
add_AT_unsigned (unit, DW_AT_language,
get_AT_unsigned (comp_unit_die (), DW_AT_language));
/* Add the new unit's type DIE into the comdat type list. */
type_node = ggc_cleared_alloc<comdat_type_node> ();
type_node->root_die = unit;
type_node->next = comdat_type_list;
@ -14509,11 +14510,10 @@ const_ok_for_output_1 (rtx rtl)
"non-delegitimized UNSPEC %s (%d) found in variable location",
((XINT (rtl, 1) >= 0 && XINT (rtl, 1) < NUM_UNSPEC_VALUES)
? unspec_strings[XINT (rtl, 1)] : "unknown"),
XINT (rtl, 1));
#else
"non-delegitimized UNSPEC %d found in variable location",
XINT (rtl, 1));
#endif
XINT (rtl, 1));
expansion_failed (NULL_TREE, rtl,
"UNSPEC hasn't been delegitimized.\n");
return false;
@ -25161,19 +25161,20 @@ gen_member_die (tree type, dw_die_ref context_die)
context_die);
}
/* Now output info about the data members and type members. */
/* Now output info about the members. */
for (member = TYPE_FIELDS (type); member; member = DECL_CHAIN (member))
{
struct vlr_context vlr_ctx = { type, NULL_TREE };
bool static_inline_p
= (TREE_STATIC (member)
&& (lang_hooks.decls.decl_dwarf_attribute (member, DW_AT_inline)
!= -1));
/* Ignore clones. */
if (DECL_ABSTRACT_ORIGIN (member))
continue;
struct vlr_context vlr_ctx = { type, NULL_TREE };
bool static_inline_p
= (VAR_P (member)
&& TREE_STATIC (member)
&& (lang_hooks.decls.decl_dwarf_attribute (member, DW_AT_inline)
!= -1));
/* If we thought we were generating minimal debug info for TYPE
and then changed our minds, some of the member declarations
may have already been defined. Don't define them again, but
@ -25183,11 +25184,14 @@ gen_member_die (tree type, dw_die_ref context_die)
{
/* Handle inline static data members, which only have in-class
declarations. */
dw_die_ref ref = NULL;
bool splice = true;
dw_die_ref ref = NULL;
if (child->die_tag == DW_TAG_variable
&& child->die_parent == comp_unit_die ())
{
ref = get_AT_ref (child, DW_AT_specification);
/* For C++17 inline static data members followed by redundant
out of class redeclaration, we might get here with
child being the DIE created for the out of class
@ -25206,17 +25210,17 @@ gen_member_die (tree type, dw_die_ref context_die)
ref = NULL;
static_inline_p = false;
}
if (!ref)
{
reparent_child (child, context_die);
if (dwarf_version < 5)
child->die_tag = DW_TAG_member;
splice = false;
}
}
if (child->die_tag == DW_TAG_variable
&& child->die_parent == comp_unit_die ()
&& ref == NULL)
{
reparent_child (child, context_die);
if (dwarf_version < 5)
child->die_tag = DW_TAG_member;
}
else
if (splice)
splice_child_die (context_die, child);
}