* 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.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119189 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 14 deletions

diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c
index d9102b284b6..3c58e8c54b7 100644
--- a/gcc/tree-ssa-loop-unswitch.c
+++ b/gcc/tree-ssa-loop-unswitch.c
@@ -73,34 +73,33 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
    tree-ssa-loop-im.c ensures that all the suitable conditions are in this
    shape.  */
 
-static struct loop *tree_unswitch_loop (struct loops *, struct loop *, basic_block,
-				   tree);
-static bool tree_unswitch_single_loop (struct loops *, struct loop *, int);
+static struct loop *tree_unswitch_loop (struct loop *, basic_block, tree);
+static bool tree_unswitch_single_loop (struct loop *, int);
 static tree tree_may_unswitch_on (basic_block, struct loop *);
 
-/* Main entry point.  Perform loop unswitching on all suitable LOOPS.  */
+/* Main entry point.  Perform loop unswitching on all suitable loops.  */
 
 unsigned int
-tree_ssa_unswitch_loops (struct loops *loops)
+tree_ssa_unswitch_loops (void)
 {
   int i, num;
   struct loop *loop;
   bool changed = false;
 
   /* Go through inner loops (only original ones).  */
-  num = loops->num;
+  num = current_loops->num;
 
   for (i = 1; i < num; i++)
     {
       /* Removed loop?  */
-      loop = loops->parray[i];
+      loop = current_loops->parray[i];
       if (!loop)
 	continue;
 
       if (loop->inner)
 	continue;
 
-      changed |= tree_unswitch_single_loop (loops, loop, 0);
+      changed |= tree_unswitch_single_loop (loop, 0);
     }
 
   if (changed)
@@ -177,7 +176,7 @@ simplify_using_entry_checks (struct loop *loop, tree cond)
    grow exponentially.  */
 
 static bool
-tree_unswitch_single_loop (struct loops *loops, struct loop *loop, int num)
+tree_unswitch_single_loop (struct loop *loop, int num)
 {
   basic_block *bbs;
   struct loop *nloop;
@@ -252,7 +251,7 @@ tree_unswitch_single_loop (struct loops *loops, struct loop *loop, int num)
 
   initialize_original_copy_tables ();
   /* Unswitch the loop on this condition.  */
-  nloop = tree_unswitch_loop (loops, loop, bbs[i], cond);
+  nloop = tree_unswitch_loop (loop, bbs[i], cond);
   if (!nloop)
     {
       free_original_copy_tables ();
@@ -265,8 +264,8 @@ tree_unswitch_single_loop (struct loops *loops, struct loop *loop, int num)
   free_original_copy_tables ();
 
   /* Invoke itself on modified loops.  */
-  tree_unswitch_single_loop (loops, nloop, num + 1);
-  tree_unswitch_single_loop (loops, loop, num + 1);
+  tree_unswitch_single_loop (nloop, num + 1);
+  tree_unswitch_single_loop (loop, num + 1);
   free (bbs);
   return true;
 }
@@ -277,7 +276,7 @@ tree_unswitch_single_loop (struct loops *loops, struct loop *loop, int num)
    if impossible, new loop otherwise.  */
 
 static struct loop *
-tree_unswitch_loop (struct loops *loops, struct loop *loop,
+tree_unswitch_loop (struct loop *loop,
 		    basic_block unswitch_on, tree cond)
 {
   basic_block condition_bb;
@@ -287,6 +286,6 @@ tree_unswitch_loop (struct loops *loops, struct loop *loop,
   gcc_assert (EDGE_COUNT (unswitch_on->succs) == 2);
   gcc_assert (loop->inner == NULL);
 
-  return loop_version (loops, loop, unshare_expr (cond), 
+  return loop_version (loop, unshare_expr (cond), 
 		       &condition_bb, false);
 }