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| author | Richard Biener <rguenth@gcc.gnu.org> | 2012-05-23 12:25:41 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-05-23 12:25:41 +0000 |
| commit | 9c09f152d90089509bcc4b5b8094fbbb1707fbc1 (patch) | |
| tree | ba5ec63e854787f6350620ade1d6adb1b183582e /gcc/tree-dfa.c | |
| parent | aa19cf8778bf9457935bc6cd15a96cf8dfd7fe60 (diff) | |
| download | gcc-9c09f152d90089509bcc4b5b8094fbbb1707fbc1.zip gcc-9c09f152d90089509bcc4b5b8094fbbb1707fbc1.tar.gz gcc-9c09f152d90089509bcc4b5b8094fbbb1707fbc1.tar.bz2 | |
tree-dfa.c (add_referenced_var_1): Do not add global vars.
2012-05-23 Richard Guenther <rguenther@suse.de>
* tree-dfa.c (add_referenced_var_1): Do not add global vars.
* tree-ssa-live.c (mark_all_vars_used_1): Handle global vars
via the global_unused_vars bitmap.
(remove_unused_locals): Handle global vars in local-decls via
a global_unused_vars bitmap instead of the used flag in the
var annotation. Simplify global variable handling and removal.
* gcc.dg/torture/pr39074-2.c: Adjust.
* gcc.dg/torture/pr39074.c: Likewise.
* gcc.dg/torture/pta-structcopy-1.c: Likewise.
* gcc.dg/tree-ssa/alias-19.c: Likewise.
From-SVN: r187800
Diffstat (limited to 'gcc/tree-dfa.c')
| -rw-r--r-- | gcc/tree-dfa.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-dfa.c b/gcc/tree-dfa.c index 31cafa0..e9db01d 100644 --- a/gcc/tree-dfa.c +++ b/gcc/tree-dfa.c @@ -581,6 +581,11 @@ add_referenced_var_1 (tree var, struct function *fn) || TREE_CODE (var) == PARM_DECL || TREE_CODE (var) == RESULT_DECL); + if (!(TREE_CODE (var) == VAR_DECL + && VAR_DECL_IS_VIRTUAL_OPERAND (var)) + && is_global_var (var)) + return false; + if (!*DECL_VAR_ANN_PTR (var)) create_var_ann (var); |