[PATCH] D139615: [InstCombine] Expand memcpy to vector instead of integer load/store

[Nikita Popov via Phabricator via llvm-commits]

nikic created this revision.
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Expanding into a vector ensures that byte-wise poison is preserved.


https://reviews.llvm.org/D139615

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/Inline/byval-tail-call.ll
  llvm/test/Transforms/InstCombine/alloca.ll
  llvm/test/Transforms/InstCombine/bcopy.ll
  llvm/test/Transforms/InstCombine/mem-par-metadata-memcpy.ll
  llvm/test/Transforms/InstCombine/memccpy.ll
  llvm/test/Transforms/InstCombine/memcpy-to-load.ll
  llvm/test/Transforms/InstCombine/memmove.ll
  llvm/test/Transforms/InstCombine/mempcpy.ll
  llvm/test/Transforms/InstCombine/snprintf-2.ll
  llvm/test/Transforms/InstCombine/snprintf-3.ll
  llvm/test/Transforms/InstCombine/snprintf.ll
  llvm/test/Transforms/InstCombine/sprintf-1.ll
  llvm/test/Transforms/InstCombine/stpncpy-1.ll
  llvm/test/Transforms/InstCombine/strlcpy-1.ll
  llvm/test/Transforms/InstCombine/strncpy-1.ll
  llvm/test/Transforms/InstCombine/strncpy-3.ll
  llvm/test/Transforms/InstCombine/struct-assign-tbaa-new.ll
  llvm/test/Transforms/InstCombine/struct-assign-tbaa.ll
  llvm/test/Transforms/PhaseOrdering/X86/SROA-after-final-loop-unrolling-2.ll

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