[PATCH] D138883: [PowerPC] find and reuse ConstantSplatVector to combine constant store into extract and store

[Ting Wang via Phabricator via llvm-commits]

tingwang updated this revision to Diff 498255.
tingwang added a comment.
Herald added a subscriber: qcolombet.

Redo the implementation, and now both memset and constant splat array initialization get changed.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D138883/new/

https://reviews.llvm.org/D138883

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/lib/Target/PowerPC/PPCISelLowering.h
  llvm/test/CodeGen/PowerPC/aix-vec-arg-spills-mir.ll
  llvm/test/CodeGen/PowerPC/aix-vec-arg-spills.ll
  llvm/test/CodeGen/PowerPC/const-splat-array-init.ll
  llvm/test/CodeGen/PowerPC/memset-tail.ll

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