[PATCH] D87538: [VectorCombine] Don't vectorize scalar load under asan/hwasan/memtag/tsan

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis added inline comments.


================
Comment at: llvm/lib/Analysis/ValueTracking.cpp:4422
+         F.hasFnAttribute(Attribute::SanitizeHWAddress) ||
+         F.hasFnAttribute(Attribute::SanitizeMemTag);
 }
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MemTag allows extending memory access up to the next 16-byte granule. Memtag is a production thing, so it's important that we do not lose performance there when possible.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87538/new/

https://reviews.llvm.org/D87538