PR middle-end/PR30700
PR middle-end/PR30700 * dwarf2out.c (reference_to_unused): Ask cgraph for functions availablility; add more sanity checking; ask varpool only about VAR_DECL. From-SVN: r123358
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@ -1,3 +1,10 @@
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2007-03-30 Jan Hubicka <jh@suse.cz>
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PR middle-end/PR30700
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* dwarf2out.c (reference_to_unused): Ask cgraph for functions
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availablility; add more sanity checking; ask varpool only about
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VAR_DECL.
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2007-03-29 Richard Henderson <rth@redhat.com>
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* unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
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@ -10121,12 +10121,24 @@ reference_to_unused (tree * tp, int * walk_subtrees,
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if (DECL_P (*tp) && ! TREE_PUBLIC (*tp) && ! TREE_USED (*tp)
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&& ! TREE_ASM_WRITTEN (*tp))
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return *tp;
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else if (DECL_P (*tp) && TREE_CODE (*tp) != FUNCTION_DECL)
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else if (!flag_unit_at_a_time)
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return NULL_TREE;
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else if (!cgraph_global_info_ready
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&& (TREE_CODE (*tp) == VAR_DECL || TREE_CODE (*tp) == FUNCTION_DECL))
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gcc_unreachable ();
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else if (DECL_P (*tp) && TREE_CODE (*tp) == VAR_DECL)
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{
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struct varpool_node *node = varpool_node (*tp);
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if (!node->needed)
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return *tp;
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}
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else if (DECL_P (*tp) && TREE_CODE (*tp) == FUNCTION_DECL
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&& (!DECL_EXTERNAL (*tp) || DECL_DECLARED_INLINE_P (*tp)))
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{
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struct cgraph_node *node = cgraph_node (*tp);
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if (!node->output)
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return *tp;
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}
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return NULL_TREE;
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}
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