[PATCH] D130281: [NFC] FunctionSamples::getEntrySamples -> getEntryBBSampleCountEstimate

[Mircea Trofin via Phabricator via llvm-commits]

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The name `getEntrySamples` was misleading for 2 reasons. One, it's
close in name to `Function::getEntryCount`, but the equivalent here is
`getHeadSamples`; second, as opposed to the other get* APIs in
`FunctionSamples`, it performs an estimate/heuristic rather than just
retrieving raw data (or a non-heuristic derivate off that data, like
`getMaxCountInside`)

The new name should more clearly communicate its intent.

Also updated the doc comment.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D130281

Files:
  llvm/include/llvm/ProfileData/SampleProf.h
  llvm/include/llvm/Transforms/IPO/ProfiledCallGraph.h
  llvm/lib/Transforms/IPO/SampleProfile.cpp
  llvm/tools/llvm-profdata/llvm-profdata.cpp
  llvm/tools/llvm-profgen/CSPreInliner.cpp
  llvm/tools/llvm-profgen/ProfileGenerator.cpp

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