[PATCH] D103550: [SampleFDO] New hierarchical discriminator for FS SampleFDO (llvm-profdata part)

[Rong Xu via Phabricator via llvm-commits]

xur created this revision.
xur added reviewers: davidxl, wmi, wenlei, hoy, snehasish.
xur requested review of this revision.
Herald added a project: LLVM.

This patch was split from https://reviews.llvm.org/D102246
[SampleFDO] New hierarchical discriminator for Flow Sensitive SampleFDO
This is for llvm-profdata part of change. It sets the bit masks for the
profile reader in llvm-profdata. Also add an internal option
"-fs-discriminator-pass" for show and merge command to process the profile
offline.


https://reviews.llvm.org/D103550

Files:
  llvm/test/tools/llvm-profdata/Inputs/sample-fs.proftext
  llvm/test/tools/llvm-profdata/sample-fs.test
  llvm/tools/llvm-profdata/llvm-profdata.cpp

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