Sandeep Kosuri 08bbff4aad [OpenMP] Codegen support for thread_limit on target directive for host ...

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- This patch adds support for thread_limit clause on target directive according to OpenMP 51 [2.14.5]
- The idea is to create an outer task for target region, when there is a thread_limit clause, and manipulate the thread_limit of task instead. This way, thread_limit will be applied to all the relevant constructs enclosed by the target region.

Differential Revision: https://reviews.llvm.org/D152054

2023-08-26 22:18:49 -05:00

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