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

Johannes Doerfert via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Mar 14 10:39:28 PDT 2021


jdoerfert created this revision.
jdoerfert added reviewers: xbolva00, aqjune, efriedma, fhahn, lebedev.ri.
Herald added a subscriber: hiraditya.
Herald added a reviewer: bollu.
jdoerfert requested review of this revision.
Herald added a project: LLVM.

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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