From ba9c755f257ad36eaa7335c48008c76c27c0b30c Mon Sep 17 00:00:00 2001 From: Jan Hubicka Date: Wed, 30 Mar 2016 16:30:57 +0200 Subject: tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic estimates here. * tree-ssa-loop-niter.c (idx_infer_loop_bounds): We can't get realistic estimates here. * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Use also max_loop_iterations_int. (tree_unswitch_outer_loop): Likewise. * tree-ssa-loop-ivopts.c (avg_loop_niter): Likewise. * tree-vect-loop.c (vect_analyze_loop_2): Likewise. From-SVN: r234572 --- gcc/tree-ssa-loop-unswitch.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/tree-ssa-loop-unswitch.c') diff --git a/gcc/tree-ssa-loop-unswitch.c b/gcc/tree-ssa-loop-unswitch.c index dd6fd01..77acd66 100644 --- a/gcc/tree-ssa-loop-unswitch.c +++ b/gcc/tree-ssa-loop-unswitch.c @@ -223,6 +223,8 @@ tree_unswitch_single_loop (struct loop *loop, int num) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) @@ -439,6 +441,8 @@ tree_unswitch_outer_loop (struct loop *loop) /* If the loop is not expected to iterate, there is no need for unswitching. */ iterations = estimated_loop_iterations_int (loop); + if (iterations < 0) + iterations = max_loop_iterations_int (loop); if (iterations >= 0 && iterations <= 1) { if (dump_file && (dump_flags & TDF_DETAILS)) -- cgit v1.1