[PATCH] D96320: [ThinLTO, Sanitizers] Skip instrumentation by testing backend

[Vitaly Buka via Phabricator via cfe-commits]

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Distributed ThinLTO has special case when backend fallback
to regular non-ThinLTO version. In that instrumentation must be
skipped as it's already applied by buildLTOPreLinkDefaultPipeline.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D96320

Files:
  clang/lib/CodeGen/BackendUtil.cpp
  clang/test/CodeGen/thinlto-distributed-backend-skip-sanitizer.ll

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