tree f3401890d7f7cf06eca5b13786b89c58f63d4448
parent 766c19dcb029b3cb0cde0d5475b4ded4bc1b2df6
author Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> 1547058614 +0000
committer Gheorghe-Teodor Bercea <gheorghe-teod.bercea@ibm.com> 1547058614 +0000

[OpenMP][libomptarget] Use shared memory variable for tracking parallel level

Summary: Replace existing infrastructure for tracking parallel level using global memory with a per-team shared memory variable. This minimizes the impact of the overhead of tracking the parallel level for non-nested cases.

Reviewers: ABataev, caomhin

Reviewed By: ABataev

Subscribers: guansong, openmp-commits

Differential Revision: https://reviews.llvm.org/D55773

git-svn-id: https://llvm.org/svn/llvm-project/openmp/trunk@350747 91177308-0d34-0410-b5e6-96231b3b80d8