[PATCH] D114826: [memprof] Align each rawprofile section to 8b.

[Snehasish Kumar via Phabricator via llvm-commits]

snehasish created this revision.
snehasish added a reviewer: davidxl.
Herald added a subscriber: hiraditya.
snehasish requested review of this revision.
Herald added projects: Sanitizers, LLVM.
Herald added subscribers: llvm-commits, Sanitizers.

The first 8b of each raw profile section need to be aligned to 8b since
the first item in each section is a u64 count of the number of items in
the section.
Summary of changes:

- Assert alignment when reading counts.
- Update test to check alignment, relax some size checks to allow padding.
- Update raw binary inputs for llvm-profdata tests.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D114826

Files:
  compiler-rt/lib/memprof/memprof_rawprofile.cpp
  compiler-rt/lib/memprof/tests/rawprofile.cpp
  llvm/lib/ProfileData/RawMemProfReader.cpp
  llvm/test/tools/llvm-profdata/Inputs/basic.memprofraw
  llvm/test/tools/llvm-profdata/Inputs/multi.memprofraw
  llvm/test/tools/llvm-profdata/memprof-basic.test

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