[PATCH] D98061: [InstrProfiling] Generate runtime hook for ELF platforms

[Petr Hosek via Phabricator via cfe-commits]

phosek added inline comments.


================
Comment at: llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp:1082-1084
   auto *User = Function::Create(FunctionType::get(Int32Ty, false),
                                 GlobalValue::LinkOnceODRLinkage,
                                 getInstrProfRuntimeHookVarUseFuncName(), M);
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@vsk do you know why we need this function instead of just using `llvm.compiler.used`/`llvm.used` for the symbol? I used that approach for ELF and it seems to be working fine.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D98061/new/

https://reviews.llvm.org/D98061