[PATCH] D63232: [Coverage] Load code coverage data from archives

[Vedant Kumar via Phabricator via llvm-commits]

vsk created this revision.
vsk added reviewers: Dor1s, davidxl, ributzka, lhames.
Herald added subscribers: dexonsmith, hiraditya.
Herald added a project: LLVM.

Support loading code coverage data from archives, and from MachO
universal binaries which contain archives.

Testing: check-llvm, check-profile (with {A,UB}San enabled)

rdar://51538999


https://reviews.llvm.org/D63232

Files:
  llvm/include/llvm/ProfileData/Coverage/CoverageMappingReader.h
  llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
  llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
  llvm/test/tools/llvm-cov/Inputs/universal_bin_wrapping_archives/obj1.c
  llvm/test/tools/llvm-cov/Inputs/universal_bin_wrapping_archives/obj2.c
  llvm/test/tools/llvm-cov/Inputs/universal_bin_wrapping_archives/universal_bin_wrapping_archives
  llvm/test/tools/llvm-cov/Inputs/universal_bin_wrapping_archives/universal_bin_wrapping_archives.proftext
  llvm/test/tools/llvm-cov/universal_bin_wrapping_archives.test

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