[llvm] [HWASAN] Implement selective instrumentation based on profiling information (PR #83503)

[Vitaly Buka via llvm-commits]

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+; RUN: opt < %s -passes='require<profile-summary>,hwasan' -S -stats 2>&1 \
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vitalybuka wrote:

selsan -> `pgo-opt-out`

https://github.com/llvm/llvm-project/pull/83503