+2013-11-05 Andrew MacLeod <amacleod@redhat.com>
+
+ * tree-outof-ssa.c (queue_phi_copy_p): Combine phi_ssa_name_p from
+ gimple.h and the rest of the condition in eliminate_build.
+ (eliminate_build): Call new routine.
+ * gimple.h (phi_ssa_name_p): Delete.
+
2013-11-05 Trevor Saunders <tsaunders@mozilla.com>
* vec.c (vec_prefix::calculate_allocation): Don't try to handle the
gs->gimple_phi.args[index] = *phiarg;
}
-/* PHI nodes should contain only ssa_names and invariants. A test
- for ssa_name is definitely simpler; don't let invalid contents
- slip in in the meantime. */
-
-static inline bool
-phi_ssa_name_p (const_tree t)
-{
- if (TREE_CODE (t) == SSA_NAME)
- return true;
- gcc_checking_assert (is_gimple_min_invariant (t));
- return false;
-}
-
/* Return the PHI nodes for basic block BB, or NULL if there are no
PHI nodes. */
elim_graph_add_node (g, T);
}
+/* Return true if this phi argument T should have a copy queued when using
+ var_map MAP. PHI nodes should contain only ssa_names and invariants. A
+ test for ssa_name is definitely simpler, but don't let invalid contents
+ slip through in the meantime. */
+
+static inline bool
+queue_phi_copy_p (var_map map, tree t)
+{
+ if (TREE_CODE (t) == SSA_NAME)
+ {
+ if (var_to_partition (map, t) == NO_PARTITION)
+ return true;
+ return false;
+ }
+ gcc_checking_assert (is_gimple_min_invariant (t));
+ return true;
+}
/* Build elimination graph G for basic block BB on incoming PHI edge
G->e. */
/* If this argument is a constant, or a SSA_NAME which is being
left in SSA form, just queue a copy to be emitted on this
edge. */
- if (!phi_ssa_name_p (Ti)
- || (TREE_CODE (Ti) == SSA_NAME
- && var_to_partition (g->map, Ti) == NO_PARTITION))
+ if (queue_phi_copy_p (g->map, Ti))
{
/* Save constant copies until all other copies have been emitted
on this edge. */