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, 12 insertions, 13 deletions

diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c
index e10017d..5b8d603 100644
--- a/gcc/tree-ssa-loop-im.c
+++ b/gcc/tree-ssa-loop-im.c
@@ -1372,20 +1372,20 @@ determine_lsm_loop (struct loop *loop)
 }
 
 /* Try to perform store motion for all memory references modified inside
-   any of LOOPS.  */
+   loops.  */
 
 static void
-determine_lsm (struct loops *loops)
+determine_lsm (void)
 {
   struct loop *loop;
 
-  if (!loops->tree_root->inner)
+  if (!current_loops->tree_root->inner)
     return;
 
   /* Pass the loops from the outermost and perform the store motion as
      suitable.  */
 
-  loop = loops->tree_root->inner;
+  loop = current_loops->tree_root->inner;
   while (1)
     {
       determine_lsm_loop (loop);
@@ -1398,7 +1398,7 @@ determine_lsm (struct loops *loops)
       while (!loop->next)
 	{
 	  loop = loop->outer;
-	  if (loop == loops->tree_root)
+	  if (loop == current_loops->tree_root)
 	    {
 	      bsi_commit_edge_inserts ();
 	      return;
@@ -1476,11 +1476,10 @@ fill_always_executed_in (struct loop *loop, sbitmap contains_call)
     fill_always_executed_in (loop, contains_call);
 }
 
-/* Compute the global information needed by the loop invariant motion pass.
-   LOOPS is the loop tree.  */
+/* Compute the global information needed by the loop invariant motion pass.  */
 
 static void
-tree_ssa_lim_initialize (struct loops *loops)
+tree_ssa_lim_initialize (void)
 {
   sbitmap contains_call = sbitmap_alloc (last_basic_block);
   block_stmt_iterator bsi;
@@ -1500,7 +1499,7 @@ tree_ssa_lim_initialize (struct loops *loops)
 	SET_BIT (contains_call, bb->index);
     }
 
-  for (loop = loops->tree_root->inner; loop; loop = loop->next)
+  for (loop = current_loops->tree_root->inner; loop; loop = loop->next)
     fill_always_executed_in (loop, contains_call);
 
   sbitmap_free (contains_call);
@@ -1519,13 +1518,13 @@ tree_ssa_lim_finalize (void)
     }
 }
 
-/* Moves invariants from LOOPS.  Only "expensive" invariants are moved out --
+/* Moves invariants from loops.  Only "expensive" invariants are moved out --
    i.e. those that are likely to be win regardless of the register pressure.  */
 
 void
-tree_ssa_lim (struct loops *loops)
+tree_ssa_lim (void)
 {
-  tree_ssa_lim_initialize (loops);
+  tree_ssa_lim_initialize ();
 
   /* For each statement determine the outermost loop in that it is
      invariant and cost for computing the invariant.  */
@@ -1534,7 +1533,7 @@ tree_ssa_lim (struct loops *loops)
   /* For each memory reference determine whether it is possible to hoist it
      out of the loop.  Force the necessary invariants to be moved out of the
      loops as well.  */
-  determine_lsm (loops);
+  determine_lsm ();
 
   /* Move the expressions that are expensive enough.  */
   move_computations ();