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gimple-fold.c (can_refer_decl_in_current_unit_p): Do not accept abstract functions; for static functions check the presence of body. 

* gimple-fold.c (can_refer_decl_in_current_unit_p): Do not accept
	abstract functions; for static functions check the presence
	of body.

From-SVN: r202626
This commit is contained in:
Jan Hubicka 2013-09-16 13:47:48 +02:00 committed by Jan Hubicka
parent 828e70c1d7
commit 1632a68673
2 changed files with 24 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2013-09-16 Jan Hubicka <jh@suse.cz>
* gimple-fold.c (can_refer_decl_in_current_unit_p): Do not accept
abstract functions; for static functions check the presence
of body.
2013-09-16 James Greenhalgh <james.greenhalgh@arm.com>
* config/aarch64/aarch64-simd-builtins.def (fma): New.

22
gcc/gimple-fold.c
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@ -60,6 +60,24 @@ can_refer_decl_in_current_unit_p (tree decl, tree from_decl)
struct cgraph_node *node;
symtab_node snode;
if (DECL_ABSTRACT (decl))
return false;
/* We are concerned only about static/external vars and functions. */
if ((!TREE_STATIC (decl) && !DECL_EXTERNAL (decl))
|| (TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL))
return true;
/* Static objects can be referred only if they was not optimized out yet. */
if (!TREE_PUBLIC (decl) && !DECL_EXTERNAL (decl))
{
snode = symtab_get_node (decl);
if (!snode)
return false;
node = dyn_cast <cgraph_node> (snode);
return !node || !node->global.inlined_to;
}
/* We will later output the initializer, so we can refer to it.
So we are concerned only when DECL comes from initializer of
external var. */
@ -69,10 +87,6 @@ can_refer_decl_in_current_unit_p (tree decl, tree from_decl)
|| (flag_ltrans
&& symtab_get_node (from_decl)->symbol.in_other_partition))
return true;
/* We are concerned only about static/external vars and functions. */
if ((!TREE_STATIC (decl) && !DECL_EXTERNAL (decl))
|| (TREE_CODE (decl) != VAR_DECL && TREE_CODE (decl) != FUNCTION_DECL))
return true;
/* We are folding reference from external vtable. The vtable may reffer
to a symbol keyed to other compilation unit. The other compilation
unit may be in separate DSO and the symbol may be hidden. */