[PATCH] D25912: [PowerPC] Improvements for BUILD_VECTOR Vol. 1

[Nemanja Ivanovic via llvm-commits]

nemanjai created this revision.
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This patch is the first in a series that derives from https://reviews.llvm.org/D25580 which will be abandoned because it is excessively complex.
This particular patch provides SDAG patterns for the nodes and adds the logic to decide when to expand the node vs. treating it as legal and using the SDAG patterns.


Repository:
  rL LLVM

https://reviews.llvm.org/D25912

Files:
  lib/Target/PowerPC/PPCISelLowering.cpp
  lib/Target/PowerPC/PPCInstrInfo.td
  lib/Target/PowerPC/PPCInstrVSX.td
  test/CodeGen/PowerPC/p8-scalar_vector_conversions.ll
  test/CodeGen/PowerPC/power9-moves-and-splats.ll
  test/CodeGen/PowerPC/tail-dup-analyzable-fallthrough.ll
  test/CodeGen/PowerPC/vsx.ll

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