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| author | Jan Hubicka <jh@suse.cz> | 2010-06-11 14:29:53 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-06-11 12:29:53 +0000 |
| commit | 7ea6b6cf97363a0f4dfb1a72a7cda31c59350bbc (patch) | |
| tree | b9d5e6003412755a9b91c08dbafc60f251457051 /gcc/tree-cfg.c | |
| parent | 2ee3cb3591bfa67a216efe877ddcfca65851bbc8 (diff) | |
| download | gcc-7ea6b6cf97363a0f4dfb1a72a7cda31c59350bbc.zip gcc-7ea6b6cf97363a0f4dfb1a72a7cda31c59350bbc.tar.gz gcc-7ea6b6cf97363a0f4dfb1a72a7cda31c59350bbc.tar.bz2 | |
invoke.texi (Wsuggest-attribute): Document.
* doc/invoke.texi (Wsuggest-attribute): Document.
(Wmissing-noreturn): Remove.
* ipa-pure-const.c (warn_function_noreturn): New function.
* opts.c (decode_options): Set warn_suggest_attribute_noreturn on
warn_missing_noreturn.
* common.opt (Wsuggest-attribute=noreturn): New.
* tree-flow.h (warn_function_noreturn): Declare.
* tree-cfg.c (execute_warn_function_noreturn): Use
warn_function_noreturn.
(gate_warn_function_noreturn): New.
(pass_warn_function_noreturn): Update.
From-SVN: r160606
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index f46556f..4064794 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -7256,22 +7256,24 @@ struct gimple_opt_pass pass_warn_function_return = static unsigned int execute_warn_function_noreturn (void) { - if (warn_missing_noreturn - && !TREE_THIS_VOLATILE (cfun->decl) - && EDGE_COUNT (EXIT_BLOCK_PTR->preds) == 0 - && !lang_hooks.missing_noreturn_ok_p (cfun->decl)) - warning_at (DECL_SOURCE_LOCATION (cfun->decl), OPT_Wmissing_noreturn, - "function might be possible candidate " - "for attribute %<noreturn%>"); + if (!TREE_THIS_VOLATILE (current_function_decl) + && EDGE_COUNT (EXIT_BLOCK_PTR->preds) == 0) + warn_function_noreturn (current_function_decl); return 0; } +static bool +gate_warn_function_noreturn (void) +{ + return warn_suggest_attribute_noreturn; +} + struct gimple_opt_pass pass_warn_function_noreturn = { { GIMPLE_PASS, "*warn_function_noreturn", /* name */ - NULL, /* gate */ + gate_warn_function_noreturn, /* gate */ execute_warn_function_noreturn, /* execute */ NULL, /* sub */ NULL, /* next */ |