tree-vrp.c (execute_vrp): Do not pass loops structure through arguments.

	* tree-vrp.c (execute_vrp): Do not pass loops structure through
	arguments.
	* loop-unswitch.c (unswitch_loops, unswitch_single_loop,
	unswitch_loop): Ditto.
	* tree-loop-linear.c (linear_transform_loops): Ditto.
	* tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
	tree_ssa_lim): Ditto.
	* tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
	free_numbers_of_iterations_estimates): Ditto.
	* tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
	tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
	* cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
	remove_path, add_loop, loopify, unloop, fix_loop_placements,
	place_new_loop, duplicate_loop, duplicate_subloops,
	update_single_exit_for_duplicated_loops, copy_loops_to,
	duplicate_loop_to_header_edge, create_preheaders,
	force_single_succ_latches, loop_version, fix_loop_structure):
	Ditto.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
	tree_unroll_loop): Ditto.
	* tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
	* tree-scalar-evolution.c (select_loops_exit_conditions,
	scev_initialize, scev_analysis): Ditto.
	* tree-scalar-evolution.h (scev_initialize): Ditto.
	* cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
	* cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
	* tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
	* modulo-sched.c (sms_schedule): Ditto.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
	* loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
	rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
	* ifcvt.c (if_convert): Ditto.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
	canonicalize_loop_induction_variables,
	canonicalize_induction_variables,
	tree_unroll_loops_completely, remove_empty_loops): Ditto.
	* tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
	tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
	tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
	tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
	tree_ssa_loop_done): Ditto.
	* predict.c (predict_loops, tree_estimate_probability, estimate_loops,
	estimate_bb_frequencies): Ditto.
	* tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
	slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
	* loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
	decide_unrolling_and_peeling, peel_loop_completely,
	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
	peel_loop_simple, unroll_loop_stupid): Ditto.
	* loop-doloop.c (doloop_optimize_loops): Ditto.
	* tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
	* loop-invariant.c (move_loop_invariants): Ditto.
	* tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
	* tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
	tree_ssa_prefetch_arrays): Ditto.
	* lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
	Ditto.
	* tree-vect-transform.c (vect_do_peeling_for_loop_bound,
	vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
	* cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
	mark_single_exit_loops, cancel_loop, cancel_loop_tree,
	verify_loop_structure): Ditto.
	* tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
	canonicalize_induction_variables, tree_unroll_loops_completely,
	tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
	estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
	tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
	tree_unroll_loop, linear_transform_loops): Declaration changed.
	* basic-block.h: Remove declaration of struct loops.
	* cfghooks.h (struct cfg_hooks): Change type of
	cfg_hook_duplicate_loop_to_header_edge.
	(cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
	* tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
	vect_transform_loop): Declaration changed.
	* lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
	* cfgloop.h (flow_loops_dump, fix_loop_structure,
	mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
	cancel_loop_tree, create_preheaders, force_single_succ_latches,
	verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
	loopify, loop_version, remove_path, unswitch_loops,
	unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
	Declaration changed.

From-SVN: r119189

1 files changed, 10 insertions, 10 deletions

diff --git a/gcc/cfgloopanal.c b/gcc/cfgloopanal.c
index 9aa75e4..16b3b461 100644
--- a/gcc/cfgloopanal.c
+++ b/gcc/cfgloopanal.c
@@ -266,14 +266,14 @@ free_graph (struct graph *g)
 #define BB_REPR(BB) ((BB)->index + 1)
 
 void
-mark_irreducible_loops (struct loops *loops)
+mark_irreducible_loops (void)
 {
   basic_block act;
   edge e;
   edge_iterator ei;
   int i, src, dest;
   struct graph *g;
-  int num = loops ? loops->num : 1;
+  int num = current_loops ? current_loops->num : 1;
   int *queue1 = XNEWVEC (int, last_basic_block + num);
   int *queue2 = XNEWVEC (int, last_basic_block + num);
   int nq, depth;
@@ -300,7 +300,7 @@ mark_irreducible_loops (struct loops *loops)
 	src = BB_REPR (act);
 	dest = BB_REPR (e->dest);
 
-	if (loops)
+	if (current_loops)
 	  {
 	    /* Ignore latch edges.  */
 	    if (e->dest->loop_father->header == e->dest
@@ -344,8 +344,8 @@ mark_irreducible_loops (struct loops *loops)
       queue1[nq++] = BB_REPR (act);
     }
   for (i = 1; i < num; i++)
-    if (loops->parray[i])
-      queue1[nq++] = LOOP_REPR (loops->parray[i]);
+    if (current_loops->parray[i])
+      queue1[nq++] = LOOP_REPR (current_loops->parray[i]);
   dfs (g, queue1, nq, queue2, false);
   for (i = 0; i < nq; i++)
     queue1[i] = queue2[nq - i - 1];
@@ -358,8 +358,8 @@ mark_irreducible_loops (struct loops *loops)
   free (queue1);
   free (queue2);
 
-  if (loops)
-    loops->state |= LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS;
+  if (current_loops)
+    current_loops->state |= LOOPS_HAVE_MARKED_IRREDUCIBLE_REGIONS;
 }
 
 /* Counts number of insns inside LOOP.  */
@@ -572,15 +572,15 @@ global_cost_for_size (unsigned size, unsigned regs_used, unsigned n_uses)
   return cost;
 }
 
-/* Sets EDGE_LOOP_EXIT flag for all exits of LOOPS.  */
+/* Sets EDGE_LOOP_EXIT flag for all loop exits.  */
 
 void
-mark_loop_exit_edges (struct loops *loops)
+mark_loop_exit_edges (void)
 {
   basic_block bb;
   edge e;
 
-  if (loops->num <= 1)
+  if (!current_loops)
     return;
 
   FOR_EACH_BB (bb)