tree-flow-inline.h (phi_arg_from_edge): Remove.

	* tree-flow-inline.h (phi_arg_from_edge): Remove.
	* tree-flow.h: Remove the corresponding prototype.
	* tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
	tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.

From-SVN: r94183

gcc/ChangeLog

+2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* tree-flow-inline.h (phi_arg_from_edge): Remove.
+	* tree-flow.h: Remove the corresponding prototype.
+	* tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
+	tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
+
 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/17751

gcc/tree-flow-inline.h

@@ -389,15 +389,6 @@ set_phi_nodes (basic_block bb, tree l)
     set_bb_for_stmt (phi, bb);
 }
 
-/* Return the phi index number for an edge.  */
-static inline int
-phi_arg_from_edge (tree phi, edge e)
-{
-  gcc_assert (phi);
-  gcc_assert (TREE_CODE (phi) == PHI_NODE);
-  return e->dest_idx;
-}
-
 /* Mark VAR as used, so that it'll be preserved during rtl expansion.  */
 
 static inline void

gcc/tree-flow.h

@@ -698,7 +698,6 @@ enum move_pos
 extern enum move_pos movement_possibility (tree);
 
 /* In tree-flow-inline.h  */
-static inline int phi_arg_from_edge (tree, edge);
 static inline bool is_call_clobbered (tree);
 static inline void mark_call_clobbered (tree);
 static inline void set_is_used (tree);

gcc/tree-ssa-operands.h

@@ -175,11 +175,9 @@ typedef stmt_operands_t *stmt_operands_p;
 #define SET_PHI_ARG_DEF(PHI, I, V)					\
 				SET_USE (PHI_ARG_DEF_PTR ((PHI), (I)), (V))
 #define PHI_ARG_DEF_FROM_EDGE(PHI, E)					\
-				PHI_ARG_DEF ((PHI),			\
-					     phi_arg_from_edge ((PHI),(E)))
+				PHI_ARG_DEF ((PHI), (E)->dest_idx)
 #define PHI_ARG_DEF_PTR_FROM_EDGE(PHI, E)				\
-				PHI_ARG_DEF_PTR ((PHI), 		\
-					     phi_arg_from_edge ((PHI),(E)))
+				PHI_ARG_DEF_PTR ((PHI), (E)->dest_idx)
 
 
 extern void init_ssa_operands (void);

gcc/tree-ssa-threadupdate.c

@@ -298,7 +298,7 @@ create_edge_and_update_destination_phis (struct redirection_data *rd)
      associated with the outgoing edge stored in RD.  */
   for (phi = phi_nodes (e->dest); phi; phi = PHI_CHAIN (phi))
     {
-      int indx = phi_arg_from_edge (phi, rd->outgoing_edge);
+      int indx = rd->outgoing_edge->dest_idx;
       add_phi_arg (phi, PHI_ARG_DEF_TREE (phi, indx), e);
     }
 }

gcc/tree-ssa.c

@@ -56,18 +56,16 @@ ssa_redirect_edge (edge e, basic_block dest)
   tree phi, next;
   tree list = NULL, *last = &list;
   tree src, dst, node;
-  int i;
 
   /* Remove the appropriate PHI arguments in E's destination block.  */
   for (phi = phi_nodes (e->dest); phi; phi = next)
     {
       next = PHI_CHAIN (phi);
 
-      i = phi_arg_from_edge (phi, e);
-      if (PHI_ARG_DEF (phi, i) == NULL_TREE)
+      if (PHI_ARG_DEF (phi, e->dest_idx) == NULL_TREE)
 	continue;
 
-      src = PHI_ARG_DEF (phi, i);
+      src = PHI_ARG_DEF (phi, e->dest_idx);
       dst = PHI_RESULT (phi);
       node = build_tree_list (dst, src);
       *last = node;

gcc/tree-vectorizer.c

@@ -523,7 +523,7 @@ slpeel_update_phis_for_duplicate_loop (struct loop *orig_loop,
         {
           gcc_assert (new_loop_exit_e == orig_entry_e);
           SET_PHI_ARG_DEF (phi_orig,
-                           phi_arg_from_edge (phi_orig, new_loop_exit_e),
+                           new_loop_exit_e->dest_idx,
                            new_ssa_name);
         }
     }
@@ -639,8 +639,7 @@ slpeel_update_phi_nodes_for_guard (edge guard_edge,
       /* 3. Update phi in successor block.  */
       gcc_assert (PHI_ARG_DEF_FROM_EDGE (update_phi, e) == loop_arg
                   || PHI_ARG_DEF_FROM_EDGE (update_phi, e) == guard_arg);
-      SET_PHI_ARG_DEF (update_phi, phi_arg_from_edge (update_phi, e),
-                       PHI_RESULT (new_phi));
+      SET_PHI_ARG_DEF (update_phi, e->dest_idx, PHI_RESULT (new_phi));
     }
 
   set_phi_nodes (new_merge_bb, phi_reverse (phi_nodes (new_merge_bb)));
@@ -3188,7 +3187,7 @@ vect_update_ivs_after_vectorizer (struct loop *loop, tree niters, edge update_e)
       /* Fix phi expressions in the successor bb.  */
       gcc_assert (PHI_ARG_DEF_FROM_EDGE (phi1, update_e) ==
                   PHI_ARG_DEF_FROM_EDGE (phi, EDGE_SUCC (loop->latch, 0)));
-      SET_PHI_ARG_DEF (phi1, phi_arg_from_edge (phi1, update_e), ni_name);
+      SET_PHI_ARG_DEF (phi1, update_e->dest_idx, ni_name);
     }
 }