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| author | Jan Hubicka <hubicka@ucw.cz> | 2014-05-19 03:01:12 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2014-05-19 01:01:12 +0000 |
| commit | 7b3376a0da3e5de61c15899e4da1fc03ef7438d0 (patch) | |
| tree | ba76d5a126b19a9883d7c963376b2cffd9f0d6a1 /gcc/ipa.c | |
| parent | a04d9035ec03996fd6f96a1ece21bc8d4c54cd40 (diff) | |
| download | gcc-7b3376a0da3e5de61c15899e4da1fc03ef7438d0.zip gcc-7b3376a0da3e5de61c15899e4da1fc03ef7438d0.tar.gz gcc-7b3376a0da3e5de61c15899e4da1fc03ef7438d0.tar.bz2 | |
ipa.c (symtab_remove_unreachable_nodes): Remove symbol from comdat group if its body was eliminated.
* ipa.c (symtab_remove_unreachable_nodes): Remove
symbol from comdat group if its body was eliminated.
(comdat_can_be_unshared_p_1): Static symbols can always
be privatized.
* symtab.c (symtab_remove_from_same_comdat_group): Break out
from ...
(symtab_unregister_node): ... this one.
(verify_symtab_base): More strict checking of comdats.
* cgraph.h (symtab_remove_from_same_comdat_group): Declare.
From-SVN: r210598
Diffstat (limited to 'gcc/ipa.c')
| -rw-r--r-- | gcc/ipa.c | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -517,6 +517,7 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file) if (!node->in_other_partition) node->local.local = false; cgraph_node_remove_callees (node); + symtab_remove_from_same_comdat_group (node); ipa_remove_all_references (&node->ref_list); changed = true; } @@ -572,6 +573,8 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file) vnode->analyzed = false; vnode->aux = NULL; + symtab_remove_from_same_comdat_group (vnode); + /* Keep body if it may be useful for constant folding. */ if ((init = ctor_for_folding (vnode->decl)) == error_mark_node) varpool_remove_initializer (vnode); @@ -776,6 +779,8 @@ address_taken_from_non_vtable_p (symtab_node *node) static bool comdat_can_be_unshared_p_1 (symtab_node *node) { + if (!node->externally_visible) + return true; /* When address is taken, we don't know if equality comparison won't break eventually. Exception are virutal functions, C++ constructors/destructors and vtables, where this is not possible by |