[all-commits] [llvm/llvm-project] 15af95: [LoongArch] Use unsigned vector extract for zero e...

[hev via All-commits]

  Branch: refs/heads/users/hev/ve2gr-zext
  Home:   https://github.com/llvm/llvm-project
  Commit: 15af95a889271800e76356e6076fdbf45483852a
      https://github.com/llvm/llvm-project/commit/15af95a889271800e76356e6076fdbf45483852a
  Author: WANG Rui <wangrui at loongson.cn>
  Date:   2026-08-05 (Wed, 05 Aug 2026)

  Changed paths:
    M llvm/lib/Target/LoongArch/LoongArchLASXInstrInfo.td
    M llvm/lib/Target/LoongArch/LoongArchLSXInstrInfo.td
    M llvm/test/CodeGen/LoongArch/lasx/ir-instruction/extractelement.ll
    M llvm/test/CodeGen/LoongArch/lsx/ir-instruction/extractelement.ll

  Log Message:
  -----------
  [LoongArch] Use unsigned vector extract for zero extension

Add patterns to select VPICKVE2GR_BU/HU and [X]VPICKVE2GR_WU for vector
extraction followed by zero extension, eliminating redundant masking
instructions.



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