re PR middle-end/45098 (Missed induction variable optimization)
authorZdenek Dvorak <ook@ucw.cz>
Tue, 14 Jun 2011 14:29:58 +0000 (16:29 +0200)
committerTom de Vries <vries@gcc.gnu.org>
Tue, 14 Jun 2011 14:29:58 +0000 (14:29 +0000)
commitb4a9343cf59f4ccb03c5be05a9314ff1f45712b4
tree988a19c68464433ba5e738e385eec5930b88c556
parentd2640c430fcce5cd42c60f361eb3f0ac1a048a48
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
gcc/ChangeLog
gcc/cfgloop.h
gcc/graphite-sese-to-poly.c
gcc/predict.c
gcc/tree-data-ref.c
gcc/tree-parloops.c
gcc/tree-ssa-loop-ivopts.c
gcc/tree-ssa-loop-niter.c
gcc/tree-ssa-loop-prefetch.c
gcc/tree-vrp.c