[llvm-bugs] [Bug 44367] New: private clause not working in offload

via llvm-bugs llvm-bugs at lists.llvm.org
Sun Dec 22 23:00:59 PST 2019


https://bugs.llvm.org/show_bug.cgi?id=44367

            Bug ID: 44367
           Summary: private clause not working in offload
           Product: OpenMP
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Clang Compiler Support
          Assignee: unassignedclangbugs at nondot.org
          Reporter: xw111luoye at gmail.com
                CC: llvm-bugs at lists.llvm.org

The private clause in target seems all broken.
I got all identical addresses of the variable marked private.

https://github.com/ye-luo/openmp-target/blob/master/hands-on/tests/private/target_teams_distribute_private.c
https://github.com/ye-luo/openmp-target/blob/master/hands-on/tests/private/target_teams_distribute_parallel_for_private.c

I found this broken in all the clang derived offload compilers.
GCC works fine.

With private(a) on "teams distribute" and "parallel for", per-team and
per-thread copy of a should be created. So all the address should be different.

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