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authorZdenek Dvorak <ook@ucw.cz>2011-06-14 16:29:58 +0200
committerTom de Vries <vries@gcc.gnu.org>2011-06-14 14:29:58 +0000
commitb4a9343cf59f4ccb03c5be05a9314ff1f45712b4 (patch)
tree988a19c68464433ba5e738e385eec5930b88c556 /gcc/tree-ssa-loop-ivopts.c
parentd2640c430fcce5cd42c60f361eb3f0ac1a048a48 (diff)
downloadgcc-b4a9343cf59f4ccb03c5be05a9314ff1f45712b4.tar.gz
re PR middle-end/45098 (Missed induction variable optimization)
2011-06-14 Zdenek Dvorak <ook@ucw.cz> Tom de Vries <tom@codesourcery.com> PR target/45098 * cfgloop.h (nb_iterations_upper_bound, nb_iterations_estimate): Document changed semantics. (max_stmt_executions, max_stmt_executions_int): Declare. * tree-data-ref.c (estimated_loop_iterations) (estimated_loop_iterations_int): Move functions... * tree-ssa-loop-niter.c (estimated_loop_iterations) (estimated_loop_iterations_int): here. (record_estimate): Change nb_iterations_upper_bound and nb_iterations_estimate semantics. (max_stmt_executions, max_stmt_executions_int): New function. * tree-data-ref.c (estimated_loop_iterations_tree): Rename to ... (max_stmt_executions_tree): this. (analyze_miv_subscript): Use max_stmt_executions_tree instead of estimated_loop_iterations_tree. tree-ssa-loop-ivopts.c (avg_loop_niter): Use max_stmt_executions_int instead of estimated_loop_iterations_int. * predict.c (predict_loops): Idem. * tree-parloops.c (parallelize_loops): Idem. * tree-data-ref.c (analyze_siv_subscript_cst_affine) (compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine) (init_omega_for_ddr_1): Idem. * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse) (loop_prefetch_arrays): Idem * graphite-sese-to-poly.c (build_loop_iteration_domains): Use max_stmt_executions instead of estimated_loop_iterations. * tree-data-ref.c (estimated_loop_iterations_tree): Idem. * tree-vrp.c (adjust_range_with_scev): Use estimated_loop_iterations instead of nb_iterations_upper_bound. Co-Authored-By: Tom de Vries <tom@codesourcery.com> From-SVN: r175022
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
-rw-r--r--gcc/tree-ssa-loop-ivopts.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c
index 10fd7dc48c7..3717639f0d2 100644
--- a/gcc/tree-ssa-loop-ivopts.c
+++ b/gcc/tree-ssa-loop-ivopts.c
@@ -115,7 +115,7 @@ along with GCC; see the file COPYING3. If not see
static inline HOST_WIDE_INT
avg_loop_niter (struct loop *loop)
{
- HOST_WIDE_INT niter = estimated_loop_iterations_int (loop, false);
+ HOST_WIDE_INT niter = max_stmt_executions_int (loop, false);
if (niter == -1)
return AVG_LOOP_NITER (loop);