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dwarf2out.c (gen_subprogram_die): Add DW_AT_reference or DW_AT_rvalue_reference attributes. 

* dwarf2out.c (gen_subprogram_die): Add DW_AT_reference or
	DW_AT_rvalue_reference attributes.

	* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
	and DW_AT_rvalue_reference.

	* g++.dg/debug/dwarf2/ref-2.C: New test.

From-SVN: r241492
This commit is contained in:
Jakub Jelinek 2016-10-24 20:44:30 +02:00 committed by Jakub Jelinek
parent 331075711a
commit 0f2a9e37fa
6 changed files with 73 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-10-24 Jakub Jelinek <jakub@redhat.com>
* dwarf2out.c (gen_subprogram_die): Add DW_AT_reference or
DW_AT_rvalue_reference attributes.
2016-10-24 Bernd Edlinger <bernd.edlinger@hotmail.de>
* doc/invoke.text (Wint-in-bool-context): Update documentation.

3
gcc/cp/ChangeLog
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@ -1,5 +1,8 @@
2016-10-24 Jakub Jelinek <jakub@redhat.com>
* cp-objcp-common.c (cp_decl_dwarf_attribute): Handle DW_AT_reference
and DW_AT_rvalue_reference.
* cxx-pretty-print.c (pp_cxx_check_constraint): Use VAR_P (x)
instead of TREE_CODE (x) == VAR_DECL.
* constraint.cc (get_concept_definition): Likewise.

26
gcc/cp/cp-objcp-common.c
View File

@ -173,6 +173,32 @@ cp_decl_dwarf_attribute (const_tree decl, int attr)
return 1;
break;
case DW_AT_reference:
if (TREE_CODE (decl) == FUNCTION_DECL
&& DECL_NONSTATIC_MEMBER_FUNCTION_P (decl)
&& FUNCTION_REF_QUALIFIED (TREE_TYPE (decl))
&& !FUNCTION_RVALUE_QUALIFIED (TREE_TYPE (decl)))
return 1;
if ((TREE_CODE (decl) == FUNCTION_TYPE
|| TREE_CODE (decl) == METHOD_TYPE)
&& FUNCTION_REF_QUALIFIED (decl)
&& !FUNCTION_RVALUE_QUALIFIED (decl))
return 1;
break;
case DW_AT_rvalue_reference:
if (TREE_CODE (decl) == FUNCTION_DECL
&& DECL_NONSTATIC_MEMBER_FUNCTION_P (decl)
&& FUNCTION_REF_QUALIFIED (TREE_TYPE (decl))
&& FUNCTION_RVALUE_QUALIFIED (TREE_TYPE (decl)))
return 1;
if ((TREE_CODE (decl) == FUNCTION_TYPE
|| TREE_CODE (decl) == METHOD_TYPE)
&& FUNCTION_REF_QUALIFIED (decl)
&& FUNCTION_RVALUE_QUALIFIED (decl))
return 1;
break;
default:
break;
}

15
gcc/dwarf2out.c
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@ -20662,6 +20662,21 @@ gen_subprogram_die (tree decl, dw_die_ref context_die)
if (defaulted != -1)
add_AT_unsigned (subr_die, DW_AT_defaulted, defaulted);
}
/* If this is a C++11 non-static member function with & ref-qualifier
then generate a DW_AT_reference attribute. */
if ((dwarf_version >= 5 || !dwarf_strict)
&& lang_hooks.decls.decl_dwarf_attribute (decl,
DW_AT_reference) == 1)
add_AT_flag (subr_die, DW_AT_reference, 1);
/* If this is a C++11 non-static member function with &&
ref-qualifier then generate a DW_AT_reference attribute. */
if ((dwarf_version >= 5 || !dwarf_strict)
&& lang_hooks.decls.decl_dwarf_attribute (decl,
DW_AT_rvalue_reference)
== 1)
add_AT_flag (subr_die, DW_AT_rvalue_reference, 1);
}
}
/* Tag abstract instances with DW_AT_inline. */

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2016-10-24 Jakub Jelinek <jakub@redhat.com>
* g++.dg/debug/dwarf2/ref-2.C: New test.
2016-10-24 Bernd Edlinger <bernd.edlinger@hotmail.de>
* c-c++-common/Wint-in-bool-context-3.c: New test.

20
gcc/testsuite/g++.dg/debug/dwarf2/ref-2.C Normal file
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@ -0,0 +1,20 @@
// { dg-do compile { target c++11 } }
// { dg-options "-g -gno-strict-dwarf -dA" }
// { dg-final { scan-assembler-times " DW_AT_reference" 1 } }
// { dg-final { scan-assembler-times " DW_AT_rvalue_reference" 1 } }
struct S
{
void foo ();
void bar () &;
void baz () &&;
};
void
test ()
{
S s;
s.foo ();
s.bar ();
S ().baz ();
}