[PATCH] D104267: [CSSPGO] Fix an invalid hash table reference issue in the CS preinliner.

Lei Wang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 16 12:20:59 PDT 2021


wlei added inline comments.


================
Comment at: llvm/lib/ProfileData/SampleProf.cpp:394
+    auto Ret = ProfilesToBeAdded.try_emplace(ContextStr, FProfile);
+    (void)Ret;
     assert(Ret.second && "Conext conflict during canonicalization");
----------------
hoy wrote:
> wlei wrote:
> > Do we need this?
> It's to make sure `Ret` is used in the release build where the following `assert` turns out nothing. Otherwise the ninja complaints `Ret` is defined by not used.
I see, how about we use `find` instead of `try_emplace`, like `assert(ProfilesToBeAdded.find(ContextStr) == ProfilesToBeAdded.end() && "Context conflict during canonicalization");`


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D104267/new/

https://reviews.llvm.org/D104267



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