[PATCH] D142313: [PowerPC] Replace PPCISD::VABSD(X,Y,0) cases with generic ISD::ABDU(X,Y) node

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon created this revision.
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A move towards using the generic ISD::ABDU nodes on more backends

PowerPC has a select(icmp_ugt(x,y),sub(x,y),sub(y,x)) -> abdu(x,y) that I intend to move to DAGCombiner in a future patch.

I'm not sure what to do about the remaining PPCISD::VABSD(X,Y,1) v4i32 case, so have left it for now.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D142313

Files:
  llvm/lib/Target/PowerPC/PPCISelLowering.cpp
  llvm/lib/Target/PowerPC/PPCInstrVSX.td

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