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| author | Jan Hubicka <jh@suse.cz> | 2011-10-02 12:41:24 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-10-02 10:41:24 +0000 |
| commit | ed0d2da02b3189f014f027997e11e6dba5ad4761 (patch) | |
| tree | 05d172b704e7c63048f3ef9b5fd618f3b89ee016 /gcc/ipa.c | |
| parent | 96d7b15ff3ded45c424b1a240a7db64d3ae975e3 (diff) | |
| download | gcc-ed0d2da02b3189f014f027997e11e6dba5ad4761.zip gcc-ed0d2da02b3189f014f027997e11e6dba5ad4761.tar.gz gcc-ed0d2da02b3189f014f027997e11e6dba5ad4761.tar.bz2 | |
re PR lto/47247 (Linker plugin specification makes it difficult to handle COMDATs)
PR lto/47247
* lto-plugin.c (get_symbols_v2): New variable.
(write_resolution): Use V2 API when available.
(onload): Handle LDPT_GET_SYMBOLS_V2.
* lto-symtab.c (lto_symtab_resolve_symbols): Do not resolve
when resolution is already availbale from plugin.
(lto_symtab_merge_decls_1): Handle LDPR_PREVAILING_DEF_IRONLY_EXP.
* cgraph.c (ld_plugin_symbol_resolution): Add prevailing_def_ironly_exp.
* lto-cgraph.c (LDPR_NUM_KNOWN): Update.
* ipa.c (varpool_externally_visible_p): IRONLY variables are never
externally visible.
* varasm.c (resolution_to_local_definition_p): Add
LDPR_PREVAILING_DEF_IRONLY_EXP.
(resolution_local_p): Likewise.
* common.c (lto_resolution_str): Add new resolution.
* common.h (lto_resolution_str): Likewise.
From-SVN: r179424
Diffstat (limited to 'gcc/ipa.c')
| -rw-r--r-- | gcc/ipa.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -685,6 +685,8 @@ varpool_externally_visible_p (struct varpool_node *vnode, bool aliased) 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, |