[PATCH] D98605: [LibCalls] Add `nosync` to known library calls

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
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A lot of library calls cannot be used to synchronize with other threads
of execution. This is useful to know, e.g., for heap-2-stack on GPUs.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D98605

Files:
  llvm/lib/Transforms/Utils/BuildLibCalls.cpp

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