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| author | Jan Hubicka <jh@suse.cz> | 2013-05-08 14:59:21 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2013-05-08 12:59:21 +0000 |
| commit | 702d87032825f284efe6a5287c478692e103318c (patch) | |
| tree | 4de5ffd28741a97813d02261d3fc8eed70c982ba /gcc/cgraphclones.c | |
| parent | 8b28cf47bf7f071c979cb13694e45757081ee9d7 (diff) | |
| download | gcc-702d87032825f284efe6a5287c478692e103318c.zip gcc-702d87032825f284efe6a5287c478692e103318c.tar.gz gcc-702d87032825f284efe6a5287c478692e103318c.tar.bz2 | |
re PR lto/54095 (Unnecessary static variable renaming)
PR lto/54095
* cgraph.c (cgraph_make_node_local_1): Se unique_name.
* cgraph.h (symtab_node_base): Add unique_name.
* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
input_overwrite_node, input_varpool_node): Stream unique_name.
* cgraphclones.c (cgraph_create_virtual_clone,
cgraph_function_versioning): Set unique_name.
* ipa.c (function_and_variable_visibility): Set unique_name.
From-SVN: r198710
Diffstat (limited to 'gcc/cgraphclones.c')
| -rw-r--r-- | gcc/cgraphclones.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/cgraphclones.c b/gcc/cgraphclones.c index f015f18..a002c68 100644 --- a/gcc/cgraphclones.c +++ b/gcc/cgraphclones.c @@ -324,6 +324,14 @@ cgraph_create_virtual_clone (struct cgraph_node *old_node, DECL_STATIC_DESTRUCTOR (new_node->symbol.decl) = 0; new_node->clone.tree_map = tree_map; new_node->clone.args_to_skip = args_to_skip; + + /* Clones of global symbols or symbols with unique names are unique. */ + if ((TREE_PUBLIC (old_decl) + && !DECL_EXTERNAL (old_decl) + && !DECL_WEAK (old_decl) + && !DECL_COMDAT (old_decl)) + || in_lto_p) + new_node->symbol.unique_name = true; FOR_EACH_VEC_SAFE_ELT (tree_map, i, map) { tree var = map->new_tree; @@ -739,6 +747,13 @@ cgraph_function_versioning (struct cgraph_node *old_version_node, new_version_node->symbol.externally_visible = 0; new_version_node->local.local = 1; new_version_node->lowered = true; + /* Clones of global symbols or symbols with unique names are unique. */ + if ((TREE_PUBLIC (old_decl) + && !DECL_EXTERNAL (old_decl) + && !DECL_WEAK (old_decl) + && !DECL_COMDAT (old_decl)) + || in_lto_p) + new_version_node->symbol.unique_name = true; /* Update the call_expr on the edges to call the new version node. */ update_call_expr (new_version_node); |