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| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-06-19 18:06:12 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-06-19 18:06:12 +0000 |
| commit | df8d3e8981a99e264b49876f0f5064bdb30ac981 (patch) | |
| tree | 1d4237222ae0ad0d8207eb6ee9f94b244ffae6e5 /gcc/ipa.c | |
| parent | a90c63ff18562cb1fd4da12b68d74d9f5592f414 (diff) | |
| download | gcc-df8d3e8981a99e264b49876f0f5064bdb30ac981.tar.gz | |
* cgraph.h (const_value_known_p): Replace by ...
(ctor_for_folding): .. this one.
* cgraphunit.c (process_function_and_variable_attributes): Use it.
* lto-cgraph.c (compute_ltrans_boundary): Use ctor_for_folding.
* expr.c (expand_expr_real_1): Likewise.
(string_constant): Likewise.
* tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
* ipa.c (process_references): Likewise.
(symtab_remove_unreachable_nodes): Likewise.
* ipa-inline-analysis.c (param_change_prob): Likewise.
* gimple-fold.c (canonicalize_constructor_val): Likewise.
(get_base_constructor): Likwise.
* varpool.c (varpool_remove_node): Likewise.
(varpool_remove_initializer): LIkewise.
(dump_varpool_node): LIkwise.
(const_value_known_p): Rewrite to ...
(ctor_for_folding): ... this one.
* lto-partition.c (add_references_to_partition): Use
ctor_for_folding.
* gcc.dg/tree-ssa/attr-alias-2.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200211 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa.c')
| -rw-r--r-- | gcc/ipa.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ipa.c b/gcc/ipa.c index 0f2a5c8b424..7c0d495695b 100644 --- a/gcc/ipa.c +++ b/gcc/ipa.c @@ -145,7 +145,9 @@ process_references (struct ipa_ref_list *list, constant folding. Keep references alive so partitioning knows about potential references. */ || (TREE_CODE (node->symbol.decl) == VAR_DECL - && flag_wpa && const_value_known_p (node->symbol.decl))))) + && flag_wpa + && ctor_for_folding (node->symbol.decl) + != error_mark_node)))) pointer_set_insert (reachable, node); enqueue_node ((symtab_node) node, first, reachable); } @@ -400,6 +402,7 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file) } else if (!pointer_set_contains (reachable, vnode)) { + tree init; if (vnode->symbol.definition) { if (file) @@ -411,8 +414,10 @@ symtab_remove_unreachable_nodes (bool before_inlining_p, FILE *file) vnode->symbol.aux = NULL; /* Keep body if it may be useful for constant folding. */ - if (!const_value_known_p (vnode->symbol.decl)) + if ((init = ctor_for_folding (vnode->symbol.decl)) == error_mark_node) varpool_remove_initializer (vnode); + else + DECL_INITIAL (vnode->symbol.decl) = init; ipa_remove_all_references (&vnode->symbol.ref_list); } else |