* gimple.c (is_gimple_non_addressable): Remove.
* gimple.h: Remove is_gimple_non_addressable.
* gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
is_gimple_non_addressable.
* trans-mem.c (expand_assign_tm): Same.
From-SVN: r183015
+2012-01-09 Aldy Hernandez <aldyh@redhat.com>
+
+ * gimple.c (is_gimple_non_addressable): Remove.
+ * gimple.h: Remove is_gimple_non_addressable.
+ * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
+ is_gimple_non_addressable.
+ * trans-mem.c (expand_assign_tm): Same.
+
2012-01-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/51775
}
-/* Return true if T is a GIMPLE variable whose address is not needed. */
-
-bool
-is_gimple_non_addressable (tree t)
-{
- if (TREE_CODE (t) == SSA_NAME)
- t = SSA_NAME_VAR (t);
-
- return (is_gimple_variable (t) && ! needs_to_live_in_memory (t));
-}
-
/* Return true if T is a GIMPLE rvalue, i.e. an identifier or a constant. */
bool
/* Returns true iff T is a valid if-statement condition. */
extern bool is_gimple_condexpr (tree);
-/* Returns true iff T is a variable that does not need to live in memory. */
-extern bool is_gimple_non_addressable (tree t);
-
/* Returns true iff T is a valid call address expression. */
extern bool is_gimple_call_addr (tree);
/* It's OK to use the target directly if it's being
initialized. */
use_target = true;
- else if (!is_gimple_non_addressable (*to_p))
+ else if (TREE_CODE (*to_p) != SSA_NAME
+ && (!is_gimple_variable (*to_p)
+ || needs_to_live_in_memory (*to_p)))
/* Don't use the original target if it's already addressable;
if its address escapes, and the called function uses the
NRV optimization, a conforming program could see *to_p
/* ??? Figure out if there's any possible overlap between the LHS
and the RHS and if not, use MEMCPY. */
- if (load_p && is_gimple_non_addressable (lhs))
+ if (load_p && is_gimple_reg (lhs))
{
tmp = create_tmp_var (TREE_TYPE (lhs), NULL);
lhs_addr = build_fold_addr_expr (tmp);