diff options
Diffstat (limited to 'gcc/lto/lto-partition.c')
| -rw-r--r-- | gcc/lto/lto-partition.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc/lto/lto-partition.c b/gcc/lto/lto-partition.c index 5c931e68..602173d 100644 --- a/gcc/lto/lto-partition.c +++ b/gcc/lto/lto-partition.c @@ -83,6 +83,7 @@ add_references_to_partition (ltrans_partition part, struct ipa_ref_list *refs) else if (symtab_variable_p (ref->referred) && (DECL_COMDAT (ipa_ref_varpool_node (ref)->symbol.decl) + || DECL_EXTERNAL (ipa_ref_varpool_node (ref)->symbol.decl) || (ref->use == IPA_REF_ALIAS && lookup_attribute ("weakref", @@ -287,6 +288,7 @@ partition_varpool_node_p (struct varpool_node *vnode) return false; /* Constant pool and comdat are always only in partitions they are needed. */ if (DECL_IN_CONSTANT_POOL (vnode->symbol.decl) + || DECL_EXTERNAL (vnode->symbol.decl) || (DECL_COMDAT (vnode->symbol.decl) && !vnode->symbol.force_output && !symtab_used_from_object_file_p ((symtab_node) vnode))) @@ -843,6 +845,7 @@ lto_promote_cross_file_statics (void) be made global. It is sensible to keep those ltrans local to allow better optimization. */ if (!DECL_IN_CONSTANT_POOL (vnode->symbol.decl) + && !DECL_EXTERNAL (vnode->symbol.decl) && !DECL_COMDAT (vnode->symbol.decl) && !vnode->symbol.externally_visible && vnode->analyzed && referenced_from_other_partition_p (&vnode->symbol.ref_list, @@ -893,8 +896,11 @@ lto_promote_cross_file_statics (void) /* Constant pool references use internal labels and thus cannot be made global. It is sensible to keep those - ltrans local to allow better optimization. */ - if (DECL_IN_CONSTANT_POOL (v->symbol.decl)) + ltrans local to allow better optimization. + Similarly we ship external vars initializers into + every ltrans unit possibly referring to it. */ + if (DECL_IN_CONSTANT_POOL (v->symbol.decl) + || DECL_EXTERNAL (v->symbol.decl)) { if (!pointer_set_insert (inserted, vnode)) VEC_safe_push (varpool_node_ptr, heap, |