[PATCH] D47349: [AArch64] Limit inlining string functions with strict alignment

[Evandro Menezes via Phabricator via llvm-commits]

evandro created this revision.
evandro added reviewers: eli.friedman, davide, javed.absar, sebpop.
Herald added subscribers: llvm-commits, hiraditya, kristof.beyls, eraman.

With strict alignment is required, limit excessive number of byte loads and stores when inlining `memset()` and `memcpy()`.

This will prevent the test case below from failing with https://reviews.llvm.org/D45098.


Repository:
  rL LLVM

https://reviews.llvm.org/D47349

Files:
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/test/CodeGen/AArch64/arm64-misaligned-memcpy-inline.ll

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