[PATCH] D46851: [WIP] [AArch64] Pattern-match byte store from a vector register.

Mon May 14 14:23:40 PDT 2018

efriedma created this revision.
Herald added a reviewer: javed.absar.

This is extremely ugly; the right solution is to implement EXTRACT_SUBREG_TO_REGCLASS, and use it here. Just posting this as a proof of concept, in case anyone else was wondering what the issue was in https://reviews.llvm.org/D46655.

Repository:
  rL LLVM

https://reviews.llvm.org/D46851

Files:
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64ISelLowering.h
  lib/Target/AArch64/AArch64InstrInfo.td
  test/CodeGen/AArch64/arm64-collect-loh.ll
  test/CodeGen/AArch64/arm64-st1.ll

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