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Feng Xue c29c92c789 PR tree-optimization/89713 - Assume loop with an exit is finite 
gcc/ChangeLog:

        * doc/invoke.texi (-ffinite-loops): Document new option.
        * common.opt (-ffinite-loops): New option.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark
        IFN_GOACC_LOOP calls as necessary.
        * tree-ssa-loop-niter.c (finite_loop_p): Assume loop with an exit
        is finite.
        * omp-offload.c (oacc_xform_loop): Skip lowering if return value of
        IFN_GOACC_LOOP call is not used.
        * opts.c (default_options_table): Enable -ffinite-loops at -O2+.

gcc/testsuite/ChangeLog:

        * g++.dg/tree-ssa/empty-loop.C: New test.
        * gcc.dg/tree-ssa/dce-2.c: New test.
        * gcc.dg/const-1.c: Add -fno-finite-loops option.
        * gcc.dg/graphite/graphite.exp: Likewise.
        * gcc.dg/loop-unswitch-1.c: Likewise.
        * gcc.dg/predict-9.c: Likewise.
        * gcc.dg/pure-2.c: Likewise.
        * gcc.dg/tree-ssa/20040211-1.c: Likewise.
        * gcc.dg/tree-ssa/loop-10.c: Likewise.
        * gcc.dg/tree-ssa/split-path-6.c: Likewise.
        * gcc.dg/tree-ssa/ssa-thread-12.c: Likewise.

libgomp/ChangeLog:

        * testsuite/libgomp.oacc-c-c++-common/pr84955-1.c: New test.

From-SVN: r272234
 		2019-06-13 04:17:42 +00:00
..
config libgomp: Reduce copy and paste for RTEMS 2019-01-09 06:16:05 +00:00
plugin re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
testsuite PR tree-optimization/89713 - Assume loop with an exit is finite 2019-06-13 04:17:42 +00:00
ChangeLog PR tree-optimization/89713 - Assume loop with an exit is finite 2019-06-13 04:17:42 +00:00
ChangeLog.graphite
…
Makefile.am OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
Makefile.in Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
acc_prof.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
acinclude.m4 Enable building libgomp with Intel CET 2017-11-17 22:22:09 +01:00
aclocal.m4 Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
affinity-fmt.c Update copyright years. 2019-01-01 13:31:55 +01:00
affinity.c Update copyright years. 2019-01-01 13:31:55 +01:00
alloc.c re PR libgomp/90527 (alloc.c:72:7: error: implicit declaration of function ‘posix_memalign’) 2019-05-20 23:29:17 +02:00
atomic.c Update copyright years. 2019-01-01 13:31:55 +01:00
barrier.c Update copyright years. 2019-01-01 13:31:55 +01:00
config.h.in [libgomp] Clarify difference between offload target, offload plugin, and OpenACC device type 2019-02-22 11:51:05 +01:00
configure Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
configure.ac Generalize getconf _NPROCESSORS_ONLN 2019-05-30 09:06:48 +00:00
configure.tgt builtin-types.def (BT_FN_VOID_BOOL, [...]): New. 2018-11-08 18:13:04 +01:00
critical.c Update copyright years. 2019-01-01 13:31:55 +01:00
env.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
error.c Update copyright years. 2019-01-01 13:31:55 +01:00
fortran.c Update copyright years. 2019-01-01 13:31:55 +01:00
hashtab.h Update copyright years. 2019-01-01 13:31:55 +01:00
icv-device.c Update copyright years. 2019-01-01 13:31:55 +01:00
icv.c Update copyright years. 2019-01-01 13:31:55 +01:00
iter.c Update copyright years. 2019-01-01 13:31:55 +01:00
iter_ull.c Update copyright years. 2019-01-01 13:31:55 +01:00
libgomp-plugin.c Update copyright years. 2019-01-01 13:31:55 +01:00
libgomp-plugin.h 2019-05-13 Chung-Lin Tang <cltang@codesourcery.com> 2019-05-13 13:32:00 +00:00
libgomp.h 2019-05-13 Chung-Lin Tang <cltang@codesourcery.com> 2019-05-13 13:32:00 +00:00
libgomp.map OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
libgomp.spec.in
…
libgomp.texi OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
libgomp_f.h.in Update copyright years. 2019-01-01 13:31:55 +01:00
libgomp_g.h Update copyright years. 2019-01-01 13:31:55 +01:00
lock.c Update copyright years. 2019-01-01 13:31:55 +01:00
loop.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
loop_ull.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
oacc-async.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-cuda.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-host.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-init.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-int.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-mem.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
oacc-parallel.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-plugin.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-plugin.h OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
oacc-profiling.c OpenACC Profiling Interface (incomplete) 2019-05-17 21:13:36 +02:00
omp.h.in Update copyright years. 2019-01-01 13:31:55 +01:00
omp_lib.f90.in Update copyright years. 2019-01-01 13:31:55 +01:00
omp_lib.h.in Update copyright years. 2019-01-01 13:31:55 +01:00
openacc.f90 Update copyright years. 2019-01-01 13:31:55 +01:00
openacc.h Update copyright years. 2019-01-01 13:31:55 +01:00
openacc_lib.h Update copyright years. 2019-01-01 13:31:55 +01:00
ordered.c Update copyright years. 2019-01-01 13:31:55 +01:00
parallel.c Update copyright years. 2019-01-01 13:31:55 +01:00
priority_queue.c Update copyright years. 2019-01-01 13:31:55 +01:00
priority_queue.h Update copyright years. 2019-01-01 13:31:55 +01:00
sections.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00
secure_getenv.h Update copyright years. 2019-01-01 13:31:55 +01:00
single.c Update copyright years. 2019-01-01 13:31:55 +01:00
splay-tree.c Update copyright years. 2019-01-01 13:31:55 +01:00
splay-tree.h Update copyright years. 2019-01-01 13:31:55 +01:00
target.c re PR libgomp/90585 (libgomp hsa plugin ftbfs in the x32 multilib variant) 2019-05-24 10:59:37 +02:00
task.c Update copyright years. 2019-01-01 13:31:55 +01:00
taskloop.c Update copyright years. 2019-01-01 13:31:55 +01:00
team.c team.c (gomp_team_start): Initialize pool->threads[0]. 2019-03-27 18:30:44 +00:00
teams.c Update copyright years. 2019-01-01 13:31:55 +01:00
work.c re PR libgomp/90641 (libgomp.c-c++-common/lastprivate-conditional-1.c etc FAIL) 2019-05-27 23:27:00 +02:00