[all-commits] [llvm/llvm-project] 7ce3d9: [Hexagon] Improve safety of aligned loads/stores i...

[Krzysztof Parzyszek via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7ce3d9228ff1aa881a7aebd451db36dcf159468a
      https://github.com/llvm/llvm-project/commit/7ce3d9228ff1aa881a7aebd451db36dcf159468a
  Author: Krzysztof Parzyszek <kparzysz at quicinc.com>
  Date:   2023-05-17 (Wed, 17 May 2023)

  Changed paths:
    M llvm/lib/Target/Hexagon/HexagonVectorCombine.cpp
    M llvm/test/CodeGen/Hexagon/autohvx/vector-align-basic.ll
    M llvm/test/CodeGen/Hexagon/autohvx/vector-align-store-mask.ll
    M llvm/test/CodeGen/Hexagon/autohvx/vector-align-store.ll
    M llvm/test/CodeGen/Hexagon/autohvx/vector-align-tbaa.ll

  Log Message:
  -----------
  [Hexagon] Improve safety of aligned loads/stores in HVC

Generate a predicated variant of the last load/store in a group to
avoid accessing OOB memory. Disable vector alignment on HVX prior
to v62, since v62 does not have predicated vector loads.