[PATCH] D115479: [AArch64][GlobalISel] Split vector stores of zero.

[Amara Emerson via Phabricator via llvm-commits]

aemerson created this revision.
aemerson added a reviewer: paquette.
aemerson added a project: LLVM.
Herald added subscribers: hiraditya, kristof.beyls, rovka.
aemerson requested review of this revision.

This results in a very minor improvement in most cases, generating stores of xzr instead of moving zero to a vector register.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115479

Files:
  llvm/lib/Target/AArch64/AArch64Combine.td
  llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp
  llvm/test/CodeGen/AArch64/GlobalISel/postlegalizer-combiner-split-zero-stores.mir

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