cell = &TREE_CHAIN (*cell);
}
- /* Remove unused variables from REFERENCED_VARs. As an special exception
- keep the variables that are believed to be aliased. Those can't be
- easily removed from the alias sets and and operand caches.
- They will be removed shortly after next may_alias pass is performed. */
+ /* Remove unused variables from REFERENCED_VARs. As a special
+ exception keep the variables that are believed to be aliased.
+ Those can't be easily removed from the alias sets and operand
+ caches. They will be removed shortly after the next may_alias
+ pass is performed. */
FOR_EACH_REFERENCED_VAR (t, rvi)
if (!is_global_var (t)
&& !MTAG_P (t)
&& TREE_CODE (t) != PARM_DECL
&& TREE_CODE (t) != RESULT_DECL
&& !(ann = var_ann (t))->used
- && !ann->is_aliased && !is_call_clobbered (t) && !ann->symbol_mem_tag)
- remove_referenced_var (t);
+ && !ann->symbol_mem_tag
+ && !TREE_ADDRESSABLE (t))
+ remove_referenced_var (t);
}
}
-/* Visit basic block BB and propogate any required live on entry bits from
+/* Visit basic block BB and propagate any required live on entry bits from
LIVE into the predecessors. VISITED is the bitmap of visited blocks.
TMP is a temporary work bitmap which is passed in to avoid reallocating
it each time. */
sbitmap_zero (visited);
- /* Visit all the blocks in reverse order and propogate live on entry values
+ /* Visit all the blocks in reverse order and propagate live on entry values
into the predecessors blocks. */
FOR_EACH_BB_REVERSE (bb)
loe_visit_block (live, bb, visited, tmp);