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| author | Jan Hubicka <jh@suse.cz> | 2007-03-30 10:03:55 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2007-03-30 08:03:55 +0000 |
| commit | 4f40bddfb0e55c7b388d87d25cf4ef4c69543a79 (patch) | |
| tree | c769955fda0ddd702dbc5211fce66e9f31aa7ad9 /gcc/dwarf2out.c | |
| parent | cc5e1fab404f5c6c6f6f7e79c5626fc681eae97d (diff) | |
| download | gcc-4f40bddfb0e55c7b388d87d25cf4ef4c69543a79.zip gcc-4f40bddfb0e55c7b388d87d25cf4ef4c69543a79.tar.gz gcc-4f40bddfb0e55c7b388d87d25cf4ef4c69543a79.tar.bz2 | |
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
Diffstat (limited to 'gcc/dwarf2out.c')
| -rw-r--r-- | gcc/dwarf2out.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index fa00452..57c8617 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10121,12 +10121,24 @@ reference_to_unused (tree * tp, int * walk_subtrees, if (DECL_P (*tp) && ! TREE_PUBLIC (*tp) && ! TREE_USED (*tp) && ! TREE_ASM_WRITTEN (*tp)) return *tp; - else if (DECL_P (*tp) && TREE_CODE (*tp) != FUNCTION_DECL) + else if (!flag_unit_at_a_time) + return NULL_TREE; + else if (!cgraph_global_info_ready + && (TREE_CODE (*tp) == VAR_DECL || TREE_CODE (*tp) == FUNCTION_DECL)) + gcc_unreachable (); + else if (DECL_P (*tp) && TREE_CODE (*tp) == VAR_DECL) { struct varpool_node *node = varpool_node (*tp); if (!node->needed) return *tp; } + else if (DECL_P (*tp) && TREE_CODE (*tp) == FUNCTION_DECL + && (!DECL_EXTERNAL (*tp) || DECL_DECLARED_INLINE_P (*tp))) + { + struct cgraph_node *node = cgraph_node (*tp); + if (!node->output) + return *tp; + } return NULL_TREE; } |