[PATCH] D141010: OpenMPOpt: Check nested parallelism in target region

[Rafael Herrera via Phabricator via llvm-commits]

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Analysis that determines if a parallel region can reach another parallel region in any target region of the TU.
A new global var is emitted with the name of the kernel + "_nested_parallelism", which is either 0 or 1 depending on the result.


Repository:
  rOMP OpenMP

https://reviews.llvm.org/D141010

Files:
  llvm/lib/Transforms/IPO/OpenMPOpt.cpp
  llvm/test/Transforms/OpenMP/nested_parallelism.ll

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