[all-commits] [llvm/llvm-project] 17330a: [OpenMP] Avoid reading uninitialized parallel leve...

[Johannes Doerfert via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 17330a3cb13aed9743f3f60eb8310c06aa34f1ca
      https://github.com/llvm/llvm-project/commit/17330a3cb13aed9743f3f60eb8310c06aa34f1ca
  Author: Johannes Doerfert <johannes at jdoerfert.de>
  Date:   2021-04-23 (Fri, 23 Apr 2021)

  Changed paths:
    M openmp/libomptarget/deviceRTLs/common/src/omptarget.cu
    M openmp/libomptarget/deviceRTLs/common/src/parallel.cu

  Log Message:
  -----------
  [OpenMP] Avoid reading uninitialized parallel level values

In a last minute change request for a2dbfb6b72db we introduced a
read of the uninitialized parallel level value in SPMD-mode.
We go back to initializing the array early and checking for an
adjusted level.

Found by the miniqmc unit tests:
  https://cdash.qmcpack.org/CDash/viewTest.php?onlyfailed&buildid=203434

Reviewed By: JonChesterfield

Differential Revision: https://reviews.llvm.org/D101123