[PATCH] D114062: [PowerPC] use lvx + splat directly for aligned splat load

[ChenZheng via Phabricator via llvm-commits]

shchenz created this revision.
shchenz added reviewers: nemanjai, jsji, PowerPC.
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This is to address review comments for https://reviews.llvm.org/D106555#inline-1079417

We can use `lvx` + splat 0(or biggest index on LE) directly for some aligned splat load instead of `lvx` + splat with a constructed mask.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D114062

Files:
  llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
  llvm/lib/Target/PowerPC/PPCInstrVSX.td
  llvm/test/CodeGen/PowerPC/load-and-splat.ll

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