[PATCH] D155257: [llvm-profdata]Changed SampleProWriter to take a range of of NameFunctionSamples

[William Junda Huang via Phabricator via llvm-commits]

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Most functions in SampleProfWriter previously taking a
SampleProfileMap now take llvm::ArrayRef<NameFunctionSamples> instead.
The original write interface takes a SampleProfileMap and immediately
sorts it into a vector<NameFunctionSamples> before passing it down to
the actual write implementations.

The purpose of this change is to allow SampleProfWriter to take a slice
of the profile to write to file, instead of having to modify or
reconstruct a SampleProfileMap, which is very slow. In a following patch
I am going to enhance the functionality of reducing profile size limit,
which will make heavy use of the new SampleProfWriter interface.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D155257

Files:
  llvm/include/llvm/ProfileData/ProfileCommon.h
  llvm/include/llvm/ProfileData/SampleProf.h
  llvm/include/llvm/ProfileData/SampleProfWriter.h
  llvm/lib/ProfileData/ProfileSummaryBuilder.cpp
  llvm/lib/ProfileData/SampleProfWriter.cpp

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