[PATCH] D103597: [AArch64] Modified AArch64LoadStoreOptimizer to generate STP instructions for memcpys

[Meera Nakrani via Phabricator via llvm-commits]

MeeraN created this revision.
MeeraN added reviewers: SjoerdMeijer, dmgreen, jaykang10, fhahn, congzhe, junbuml.
Herald added subscribers: danielkiss, hiraditya, kristof.beyls.
MeeraN requested review of this revision.
Herald added a project: LLVM.

Generates STP instructions for memcpys with alignments greater than 16 by attempting to rename registers at an early point, since the alignment value affects the order of load/store instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D103597

Files:
  llvm/lib/Target/AArch64/AArch64LoadStoreOptimizer.cpp
  llvm/test/CodeGen/AArch64/memcpy.ll

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