[PATCH] D67645: [aarch64] add def-pats for dot product

[Sebastian Pop via Phabricator via llvm-commits]

sebpop created this revision.
sebpop added reviewers: SjoerdMeijer, evandro, t.p.northover, az.
Herald added subscribers: dmgreen, hiraditya, kristof.beyls.
Herald added a project: LLVM.

This patch adds the patterns to select the dot product instructions.

Tested on aarch64-linux with `make check-all`.


https://reviews.llvm.org/D67645

Files:
  llvm/lib/Target/AArch64/AArch64InstrInfo.td
  llvm/test/CodeGen/AArch64/neon-dot-product.ll

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