diff options
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index e3fe52a..5ed2d13 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -776,43 +776,6 @@ done: timevar_pop (TV_MEMORY_PARTITIONING); } -/* This function computes the value of the is_aliased bit for - variables. is_aliased is true for any variable that is in an - alias bitmap. */ - -static void -compute_is_aliased (void) -{ - referenced_var_iterator rvi; - tree tag; - bitmap aliased_vars = BITMAP_ALLOC (NULL); - bitmap_iterator bi; - unsigned int i; - - /* Add is_aliased for all vars pointed to by the symbol tags. */ - FOR_EACH_REFERENCED_VAR (tag, rvi) - { - bitmap aliases; - if (TREE_CODE (tag) != SYMBOL_MEMORY_TAG - && TREE_CODE (tag) != NAME_MEMORY_TAG) - continue; - aliases = MTAG_ALIASES (tag); - if (!aliases) - continue; - - bitmap_ior_into (aliased_vars, aliases); - } - - EXECUTE_IF_SET_IN_BITMAP (aliased_vars, 0, i, bi) - { - tree var = referenced_var (i); - - var_ann (var)->is_aliased = true; - } - - BITMAP_FREE (aliased_vars); -} - /* Compute may-alias information for every variable referenced in function FNDECL. @@ -980,9 +943,6 @@ compute_may_aliases (void) dump_points_to_info (dump_file); dump_alias_info (dump_file); } - - /* Set up is_aliased flags. */ - compute_is_aliased (); /* Deallocate memory used by aliasing data structures. */ delete_alias_info (ai); @@ -1170,10 +1130,6 @@ init_alias_info (void) /* Clear flow-insensitive alias information from each symbol. */ FOR_EACH_REFERENCED_VAR (var, rvi) { - var_ann_t ann = var_ann (var); - - ann->is_aliased = 0; - if (MTAG_P (var)) MTAG_ALIASES (var) = NULL; |