&& !TYPE_VOLATILE (TREE_TYPE (rhs))
&& !TYPE_VOLATILE (TREE_TYPE (TREE_OPERAND (def_rhs, 0)))
&& operand_equal_p (TYPE_SIZE (TREE_TYPE (rhs)),
- TYPE_SIZE (TREE_TYPE (TREE_OPERAND (def_rhs, 0))), 0))
+ TYPE_SIZE (TREE_TYPE (TREE_OPERAND (def_rhs, 0))), 0)
+ /* Make sure we only do TBAA compatible replacements. */
+ && get_alias_set (TREE_OPERAND (def_rhs, 0)) == get_alias_set (rhs))
{
tree def_rhs_base, new_rhs = unshare_expr (TREE_OPERAND (def_rhs, 0));
new_rhs = fold_build1 (VIEW_CONVERT_EXPR, TREE_TYPE (rhs), new_rhs);
gimple use_stmt;
bool all = true;
bool single_use_p = has_single_use (name);
- bool debug = false;
FOR_EACH_IMM_USE_STMT (use_stmt, iter, name)
{
there is nothing we can do. */
if (gimple_code (use_stmt) != GIMPLE_ASSIGN)
{
- if (is_gimple_debug (use_stmt))
- debug = true;
- else
+ if (!is_gimple_debug (use_stmt))
all = false;
continue;
}
}
}
- if (all && debug)
- propagate_var_def_into_debug_stmts (name, NULL, NULL);
-
return all;
}