[all-commits] [llvm/llvm-project] 82e851: [AArch64] Change bound for known zero bits of uadd...

JinGu Kang via All-commits all-commits at lists.llvm.org
Wed Aug 30 00:22:27 PDT 2023

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 82e851a407c52d65ce65e7aa58453127e67d42a0
  Author: Jingu Kang <jingu.kang at arm.com>
  Date:   2023-08-30 (Wed, 30 Aug 2023)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/test/CodeGen/AArch64/aarch64-neon-vector-insert-uaddlv.ll
    M llvm/test/CodeGen/AArch64/neon-addlv.ll

  Log Message:
  [AArch64] Change bound for known zero bits of uaddlv intrinsic

As @efriedma's comment, the largest number of bits that can actually be set
for a v8i8 is 11 (the number of bits set in 8*255) so we can change the bound.
Additionally, v16i8 type is supported as v8i8.

Differential Revision: https://reviews.llvm.org/D158613

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