[all-commits] [llvm/llvm-project] 154daf: [Hexagon] Widen short vector stores to HVX vectors...

[Krzysztof Parzyszek via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 154daf1f94fd44b4ddc863ac865b82eec56f2c89
      https://github.com/llvm/llvm-project/commit/154daf1f94fd44b4ddc863ac865b82eec56f2c89
  Author: Krzysztof Parzyszek <kparzysz at quicinc.com>
  Date:   2020-08-27 (Thu, 27 Aug 2020)

  Changed paths:
    M llvm/lib/Target/Hexagon/HexagonISelLowering.cpp
    M llvm/lib/Target/Hexagon/HexagonISelLowering.h
    M llvm/lib/Target/Hexagon/HexagonISelLoweringHVX.cpp
    A llvm/test/CodeGen/Hexagon/autohvx/short-store-widen.ll

  Log Message:
  -----------
  [Hexagon] Widen short vector stores to HVX vectors using masked stores

Also invent a flag -hexagon-hvx-widen=N to set the minimum threshold
for widening short vectors to HVX vectors.