[PATCH] D99356: [lld-macho] Support --thinlto-jobs

[Jez Ng via Phabricator via llvm-commits]

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The test is loosely based off LLD-ELF's `thinlto.ll`. However, I
found that test questionable because the the -save_temps behavior it
checks for is identical regardless of whether we are running in single-
or multi-threaded mode. Instead, I added an ad-hoc script to parse the
time trace and count the number of threads in which we are running
OptModule.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D99356

Files:
  lld/MachO/Config.h
  lld/MachO/Driver.cpp
  lld/MachO/LTO.cpp
  lld/MachO/Options.td
  lld/test/MachO/Inputs/time_trace_tid_count.py
  lld/test/MachO/thinlto-jobs.ll

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