/* Keep around virtual functions for possible devirtualization. */
|| (before_inlining_p
&& DECL_VIRTUAL_P (node->decl)
- && (DECL_COMDAT (node->decl) || DECL_EXTERNAL (node->decl)))
- /* Also external functions with address taken are better to stay
- for indirect inlining. */
- || (before_inlining_p
- && DECL_EXTERNAL (node->decl)
- && node->address_taken)))
+ && (DECL_COMDAT (node->decl) || DECL_EXTERNAL (node->decl)))))
{
gcc_assert (!node->global.inlined_to);
enqueue_cgraph_node (node, &first);
{
int i;
struct ipa_ref *ref;
- for (i = 0; ipa_ref_list_reference_iterate (&node->ref_list, i, ref); i++)
+ for (i = 0; ipa_ref_list_refering_iterate (&node->ref_list, i, ref); i++)
if (ref->use == IPA_REF_ADDR)
{
struct varpool_node *node;
- if (ref->refered_type == IPA_REF_CGRAPH)
+ if (ref->refering_type == IPA_REF_CGRAPH)
return true;
- node = ipa_ref_varpool_node (ref);
+ node = ipa_ref_refering_varpool_node (ref);
if (!DECL_VIRTUAL_P (node->decl))
return true;
}
/* Return true when variable VNODE should be considered externally visible. */
-static bool
+bool
varpool_externally_visible_p (struct varpool_node *vnode, bool aliased)
{
if (!DECL_COMDAT (vnode->decl) && !TREE_PUBLIC (vnode->decl))
if (varpool_used_from_object_file_p (vnode))
return true;
+ if (DECL_HARD_REGISTER (vnode->decl))
+ return true;
if (DECL_PRESERVE_P (vnode->decl))
return true;
if (lookup_attribute ("externally_visible",
This is needed for i.e. references from asm statements. */
if (varpool_used_from_object_file_p (vnode))
return true;
+ if (vnode->resolution == LDPR_PREVAILING_DEF_IRONLY)
+ return false;
/* As a special case, the COMDAT virutal tables can be unshared.
In LTO mode turn vtables into static variables. The variable is readonly,
decl_node = cgraph_function_node (decl_node->callees->callee, NULL);
/* Thunks have the same visibility as function they are attached to.
- For some reason C++ frontend don't seem to care. I.e. in
- g++.dg/torture/pr41257-2.C the thunk is not comdat while function
- it is attached to is.
-
- We also need to arrange the thunk into the same comdat group as
- the function it reffers to. */
+ Make sure the C++ front end set this up properly. */
if (DECL_ONE_ONLY (decl_node->decl))
{
- DECL_COMDAT (node->decl) = DECL_COMDAT (decl_node->decl);
- DECL_COMDAT_GROUP (node->decl) = DECL_COMDAT_GROUP (decl_node->decl);
- if (DECL_ONE_ONLY (decl_node->decl) && !node->same_comdat_group)
- {
- node->same_comdat_group = decl_node;
- if (!decl_node->same_comdat_group)
- decl_node->same_comdat_group = node;
- else
- {
- struct cgraph_node *n;
- for (n = decl_node->same_comdat_group;
- n->same_comdat_group != decl_node;
- n = n->same_comdat_group)
- ;
- n->same_comdat_group = node;
- }
- }
+ gcc_checking_assert (DECL_COMDAT (node->decl)
+ == DECL_COMDAT (decl_node->decl));
+ gcc_checking_assert (DECL_COMDAT_GROUP (node->decl)
+ == DECL_COMDAT_GROUP (decl_node->decl));
+ gcc_checking_assert (node->same_comdat_group);
}
if (DECL_EXTERNAL (decl_node->decl))
DECL_EXTERNAL (node->decl) = 1;