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| author | Richard Guenther <rguenther@suse.de> | 2012-05-21 14:53:21 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-05-21 14:53:21 +0000 |
| commit | cb0c9fc30529a672fb0105d505523668da17da33 (patch) | |
| tree | 13f0febe9af8ce8dfe21d99708c299d629e8aa5e /gcc/tree-dfa.c | |
| parent | 01c7ccbb81d2ee750e30cc8bf10deb9ed07e7bf0 (diff) | |
| download | gcc-cb0c9fc30529a672fb0105d505523668da17da33.zip gcc-cb0c9fc30529a672fb0105d505523668da17da33.tar.gz gcc-cb0c9fc30529a672fb0105d505523668da17da33.tar.bz2 | |
tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for more referenced vars.
2012-05-21 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (add_referenced_var): Do not walk DECL_INITIAL for
more referenced vars.
* tree-ssa-live.c (mark_all_vars_used_1): Only set the used
flag on variables that have a var-annotation.
From-SVN: r187719
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index 007b819..46fcfc1 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -577,24 +577,16 @@ set_default_def (tree var, tree def) bool add_referenced_var (tree var) { - gcc_assert (DECL_P (var)); + gcc_checking_assert (TREE_CODE (var) == VAR_DECL + || TREE_CODE (var) == PARM_DECL + || TREE_CODE (var) == RESULT_DECL); + if (!*DECL_VAR_ANN_PTR (var)) create_var_ann (var); /* Insert VAR into the referenced_vars hash table if it isn't present. */ if (referenced_var_check_and_insert (var)) - { - /* Scan DECL_INITIAL for pointer variables as they may contain - address arithmetic referencing the address of other - variables. As we are only interested in directly referenced - globals or referenced locals restrict this to initializers - than can refer to local variables. */ - if (DECL_INITIAL (var) - && DECL_CONTEXT (var) == current_function_decl) - walk_tree (&DECL_INITIAL (var), find_vars_r, NULL, 0); - - return true; - } + return true; return false; } |