[PATCH] D83707: [OpenMP][NFC] Emit remarks during GPU state machine optimization

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert created this revision.
jdoerfert added reviewers: jhuber6, fghanim, JonChesterfield, grokos, AndreyChurbanov, ye-luo, tianshilei1992, ggeorgakoudis.
Herald added subscribers: llvm-commits, cfe-commits, sstefan1, guansong, bollu, hiraditya, yaxunl.
Herald added projects: clang, LLVM.

Since D83271 <https://reviews.llvm.org/D83271> we can optimize the GPU state machine to avoid spurious
call edges that increase the register usage of kernels. With this patch
we inform the user why and if this optimization is happening and when it
is not.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83707

Files:
  clang/test/OpenMP/remarks_parallel_in_target_state_machine.c
  llvm/lib/Transforms/IPO/OpenMPOpt.cpp

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