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| author | Richard Henderson <rth@redhat.com> | 2004-07-16 13:40:25 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-07-16 13:40:25 -0700 |
| commit | 26e79d1018d0e6bd50b96f5f3fabb0376e392dff (patch) | |
| tree | ac3adfa1c4468b9b4aecc3bd7a72273f41e2f01b /gcc/tree-ssa-alias.c | |
| parent | d58247a32166e5bb072261dc258a237a8d26a39b (diff) | |
| download | gcc-26e79d1018d0e6bd50b96f5f3fabb0376e392dff.zip gcc-26e79d1018d0e6bd50b96f5f3fabb0376e392dff.tar.gz gcc-26e79d1018d0e6bd50b96f5f3fabb0376e392dff.tar.bz2 | |
tree-flow.h (struct var_ann_d): Remove has_hidden_use.
* tree-flow.h (struct var_ann_d): Remove has_hidden_use.
* gimple-low.c (expand_var_p): Don't check it.
* tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
* tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
* tree-ssa-operands.c (add_stmt_operand): Likewise.
* tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
(find_referenced_vars): Don't call them.
* tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
From-SVN: r84830
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 9da0167..0d96b16 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1219,12 +1219,10 @@ setup_pointers_and_addressables (struct alias_info *ai) if (POINTER_TYPE_P (TREE_TYPE (var))) { - /* Since we don't keep track of volatile variables nor - variables with hidden uses, assume that these pointers - are used in indirect store operations. */ - var_ann_t ann = var_ann (var); - if (TREE_THIS_VOLATILE (var) || ann->has_hidden_use) - bitmap_set_bit (ai->dereferenced_ptrs_store, ann->uid); + /* Since we don't keep track of volatile variables, assume that + these pointers are used in indirect store operations. */ + if (TREE_THIS_VOLATILE (var)) + bitmap_set_bit (ai->dereferenced_ptrs_store, var_ann (var)->uid); num_pointers++; } @@ -1266,7 +1264,6 @@ setup_pointers_and_addressables (struct alias_info *ai) if (TREE_ADDRESSABLE (var)) { if (!bitmap_bit_p (ai->addresses_needed, v_ann->uid) - && !v_ann->has_hidden_use && v_ann->mem_tag_kind == NOT_A_TAG && !needs_to_live_in_memory (var)) { |