Test added

Test updated.
This should work 🤞

Test updated.

Test fixed

Test with filter clause added

Adding masked support to the device

Generated functions included in the test

The parallel masked directive is emitted as a combined directive that consists of two implicit directives: 'parallel' with 'masked' directive.

Patch updated to the trunk version.
Changes compared to the last patch:

• the HasDataTransfer flag was added.
• the functions AsyncInfoTy *get() was added to both AsyncInfoTy and TaskAsyncInfoWrapperTy

Invalid state of FnAA is now considered

Minor changes

This new patch addresses comments from reviewers

ping

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This patch addresses comments from reviewers:

• Env var name is LIBOMPTARGET_INTRA_THREAD_ASYNC
• The pattern to get and destroy the AsyncInfoTy object changed.
• A DenseMap is used instead of the std::map.

Ping

This new patch addresses all previous comments from reviewers

ping

This new version has the following changes:

Documentation added

diff updated.

• The AsyncInfoManager is now part of the omptarget.h and not device.h
• Global variable AIM was added in interface.cpp
• Flag was added to the Synchronization in asyncinfo destructor

As long as the RTL of the device provides a queue mechanism to execute target tasks sequentially, the dependencies among different tasks will be respected, for NVIDIA GPUs the queue mechanism is the stream. This patch, in contrast with the current OpenMP offloading implementation, launches the execution of tasks into the same stream.