[Openmp-commits] [PATCH] D107686: [OpenMP] mark target task untied

Ye Luo via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Fri Aug 6 21:07:30 PDT 2021

ye-luo created this revision.
ye-luo added a reviewer: tianshilei1992.
Herald added subscribers: guansong, yaxunl.
ye-luo requested review of this revision.
Herald added a reviewer: jdoerfert.
Herald added a subscriber: sstefan1.

OpenMP specification Tasking Terminology
target task :A mergeable and untied task that ...



Index: openmp/runtime/src/kmp_tasking.cpp
--- openmp/runtime/src/kmp_tasking.cpp
+++ openmp/runtime/src/kmp_tasking.cpp
@@ -1434,11 +1434,12 @@
                                          size_t sizeof_shareds,
                                          kmp_routine_entry_t task_entry,
                                          kmp_int64 device_id) {
-  if (__kmp_enable_hidden_helper) {
-    auto &input_flags = reinterpret_cast<kmp_tasking_flags_t &>(flags);
+  auto &input_flags = reinterpret_cast<kmp_tasking_flags_t &>(flags);
+  // target task is untied defined in the specification
+  input_flags.tiedness = TASK_UNTIED;
+  if (__kmp_enable_hidden_helper)
     input_flags.hidden_helper = TRUE;
-    input_flags.tiedness = TASK_UNTIED;
-  }
   return __kmpc_omp_task_alloc(loc_ref, gtid, flags, sizeof_kmp_task_t,
                                sizeof_shareds, task_entry);

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