diff options
Diffstat (limited to 'gcc/tree-ssa-loop-unswitch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-unswitch.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index d9102b2..3c58e8c 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); } |