Condition adjusted for Debug assertion.

Differential Revision: https://reviews.llvm.org/D29638

llvm-svn: 298915

Differential Revision: https://reviews.llvm.org/D31071

llvm-svn: 298605

Differential Revision: https://reviews.llvm.org/D29597

llvm-svn: 298373

Patch by George Rokos.

Differential Revision: https://reviews.llvm.org/D24486

llvm-svn: 298362

This change slightly improves performance of KMP_YIELD_NOW() macro, by using
_rdtsc() intrinsic function if possible.

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D31008

llvm-svn: 298314

Affinity initialization code expects __kmp_affinity_type has the value
affinity_default by default, but the cleanup code does not properly set the
value back to affinity_default.  This may introduce some issues when multiple
roots are trying to initialize/uninitialize the runtime successively.

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D31012

llvm-svn: 298313

This change fixes an assertion failure the in case KMP_AFFINITY is set with
'proclist' specified but without 'explicit'
e.g., KMP_AFFINITY=verbose,proclist=[0-31]

Patch by Olga Malysheva

Differential Revision: https://reviews.llvm.org/D30404

llvm-svn: 297480

Summary:
Bionic didn't get a GNU style strerror_r until Android M. Until then
we unconditionally exposed the POSIX one. Expand the check to account
for this.

Reviewers: pirama, AndreyChurbanov, jlpeyton

Reviewed By: jlpeyton

Subscribers: openmp-commits, srhines

Differential Revision: https://reviews.llvm.org/D30056

llvm-svn: 297235

Add build option LIBOMP_OMP_VERSION=50, 5.0 headers, and add the year/month
associated with OpenMP 5.0 in relevant source locations. Also, remove the
deprecated LIBOMP_OMP_VERSION=41 option.

Patch by Olga Malysheva

Differential Revision: https://reviews.llvm.org/D30450

llvm-svn: 297083

Patch by Olga Malysheva

Differential Revision: https://reviews.llvm.org/D30408

llvm-svn: 297082

This section of code (__kmp_test_then_* functions) is guarded by
(KMP_ARCH_X86 || KMP_ARCH_X86_64) so it does not make sense to have other
architecture guards inside this section.  Non-x86 architectures always
use intrinsics (__sync_*)

llvm-svn: 296525

When using -rtlib=libgcc, the fallback implementation of __atomic_*
builtins is provided via libatomic (included in GCC). However, neither
GCC itself nor clang link libatomic implicitly, and it seems that GCC
upstream expects projects to link it explicitly as necessary.

Since compiler-rt provides __atomic_* builtins directly in the main
library, check if they are provided by the default libraries first.
If they are not, check if -latomic is available to provide them
and add explicit -latomic for tests in this case.

This fixes unresolved __atomic_load() references when running openmp
tests on i386 with libgcc backend.

Differential Revision: https://reviews.llvm.org/D30083

llvm-svn: 296183

Added virtual destructor in a class containing virtual functions.

Differential Revision: https://reviews.llvm.org/D30271

llvm-svn: 295896

Add counter to count number of static_steal for loops
Add counter for number of chunks executed per static_steal for loop
Add counter for number of chunks stolen per static_steal for loop

llvm-svn: 295461

Added test kmp_task_reduction_nest.cpp which has an example of
possible compiler codegen.

Differential Revision: https://reviews.llvm.org/D29600

llvm-svn: 295343

via setting envirable KMP_INITIAL_THREAD_BIND=1.

Differential Revision: https://reviews.llvm.org/D29665

llvm-svn: 295339

This change allows the runtime to turn __kmp_yield() on/off repeatedly on Linux.
This feature was removed when disabling monitor thread, but there are
applications that perform better with this feature on.

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D29227

llvm-svn: 295203

Added new ThreadSanitizer annotations to remove false positives with OpenMP reduction.
Cleaned up Tsan annotations header file from unused annotations.

Patch by Simone Atzeni!

Differential Revision: https://reviews.llvm.org/D29202

llvm-svn: 295158

Patch by Terry Wilmarth.

Differential Revision: https://reviews.llvm.org/D28377

llvm-svn: 294214

The nested proxy task does not have dependencies.

llvm-svn: 293472

Put the duplicated i_maxmin into traits_t by adding new members max_value and
min_value. Put ___kmp_size_type into traits_t by adding member type_size.

Differential Revision: https://reviews.llvm.org/D28847

llvm-svn: 293316

Patch by Vishakha Agrawal

Differential Revision: https://reviews.llvm.org/D28873

llvm-svn: 293315

When the monitor thread is used, most threads in the team directly go to
sleep if the copy of bt_intervals/bt_set is not available in the cache,
and this happens at least once per thread in the wait function, making the
overall performance slightly better.
This change tries to mimic this behavior by using the bt_intervals cache,
which simply keeps the blocktime interval in terms of the platform-dependent
ticks or nanoseconds.

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D28906

llvm-svn: 293312

llvm-svn: 292350

The lock tables were being reallocated if kmp_set_defaults() was called.
In the env_init code it says that the user should be able to switch between
different KMP_CONSISTENCY_CHECK values which is what this change enables.

llvm-svn: 292349

There is no corresponding free() for this expandable array.  The logic is
added in __kmp_cleanup() next to the freeing of __kmp_nested_nth.

llvm-svn: 292348

Clang 4.0 trunk warns:
warning: logical not is only applied to the left hand side of this bitwise operator [-Wlogical-not-parentheses]

This points to a potential bug if the code really wants to check if the single
bit is not set: If for example (buf.edx >> 9) = 2 (has any bit set except the
least significant one), 'logical not' will return 0 which stays 0 after the
'bitwise and'.
To do this correctly we first need to evaluate the 'bitwise and'. In that case
it returns 2 & 1 = 0 which after the 'logical not' evaluates to 1.

Differential Revision: https://reviews.llvm.org/D28599

llvm-svn: 291764

runtimes/CMakeLists.txt in LLVM passes OPENMP_STANDALONE_BUILD.

Differential Revision: https://reviews.llvm.org/D28280

llvm-svn: 290978

Patch by Yonghong Yan.

Differential Revision: https://reviews.llvm.org/D27975

llvm-svn: 290272

Patch by Hansang Bae

llvm-svn: 289739

Patch by Hansang Bae

Differential Revision: https://reviews.llvm.org/D26688

llvm-svn: 289732

Patch by Victor Campos.

Differential Revision: https://reviews.llvm.org/D27647

llvm-svn: 289640

Summary:
Implemented by Dejan Latinovic
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=790735 for more more information

Reviewers: AndreyChurbanov, jlpeyton

Subscribers: openmp-commits, mgorny

Differential Revision: https://reviews.llvm.org/D26576

llvm-svn: 289032

llvm-svn: 288368

Patch by Victor Campos

Differential Revision: https://reviews.llvm.org/D27172

llvm-svn: 288056

Cleanup: memory leaks on warnings printing fixed; some memory freeing cleaned; poor indents and one typo fixed.

Patch by Victor Campos.

Differential Revision: https://reviews.llvm.org/D26786

llvm-svn: 288054

llvm-svn: 287552

Paul Osmialowski pointed out a double free bug in shutdown code.  This patch
Moves the freeing of the implicit task to above the freeing of all fast memory
to prevent the double-free issue.

Differential Revision: https://reviews.llvm.org/D26860

llvm-svn: 287551

Have developer timers use partitioning scheme which also required that some
redundant developer timers be removed in favor of the already existing normal
timers. Move per thread stats initialization to just after global thread id
assignment which is as early as possible. Also put all global stats
initialization code in __kmp_stats_init() and all global stats destruction code
in __kmp_stats_fini().

Differential Revision: https://reviews.llvm.org/D26361

llvm-svn: 286892

This set of changes enables the affinity interface (Either the preexisting
native operating system or HWLOC) to be dynamically set at runtime
initialization. The point of this change is that we were seeing performance
degradations when using HWLOC. This allows the user to use the old affinity
mechanisms which on large machines (>64 cores) makes a large difference in
initialization time.

These changes mostly move affinity code under a small class hierarchy:

KMPAffinity
  class Mask {}
KMPNativeAffinity : public KMPAffinity
  class Mask : public KMPAffinity::Mask
KMPHwlocAffinity
  class Mask : public KMPAffinity::Mask

Since all interface functions (for both affinity and the mask implementation)
are virtual, the implementation can be chosen at runtime initialization.

Differential Revision: https://reviews.llvm.org/D26356

llvm-svn: 286890