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3 Commits

Author SHA1 Message Date
Joachim Protze 3f229f42b7 [OpenMP][Tests][NFC] Actually check for test outcome 
The CHECK: line in the test had no effect, because the test does not
pipe to FileCheck. Since the test only checks for a single value,
encode the result in the return value of the test.
 2021-10-25 18:20:12 +02:00
Joachim Protze e32e1dae61 [OpenMP][Tests] Fix test compatibility 
gcc and clang disagree in how the event handle needs to be handled.
According to OpenMP LC, gcc is right. Will open clang bug report
 2021-07-28 00:08:32 +02:00
Joachim Protze 3c76e99291 [OpenMP] Fix deadlock for detachable task with child tasks 
This patch fixes https://bugs.llvm.org/show_bug.cgi?id=49066.

For detachable tasks, the assumption breaks that the proxy task cannot have
remaining child tasks when the proxy completes.
In stead of increment/decrement the incomplete task count, a high-order bit
is flipped to mark and wait for the incomplete proxy task.

Differential Revision: https://reviews.llvm.org/D101082
 2021-07-28 00:01:35 +02:00