[PATCH] D134203: [PGO] Avoid assertion on degenerate profile

[Wolfgang Pieb via Phabricator via llvm-commits]

wolfgangp updated this revision to Diff 464330.
wolfgangp added a comment.

Sorry about the delay. Thank you for your test case, I have used it instead of the original one and added a warning.
Please check if the wording describes the issue reasonably correctly and succinctly, as the circumstances are somewhat arcane.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D134203/new/

https://reviews.llvm.org/D134203

Files:
  llvm/lib/Transforms/Instrumentation/PGOInstrumentation.cpp
  llvm/lib/Transforms/Instrumentation/PGOMemOPSizeOpt.cpp
  llvm/test/Transforms/PGOProfile/Inputs/maxcountzero.proftext
  llvm/test/Transforms/PGOProfile/maxcountzero.ll

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