[PATCH] D43985: AMDGPU/GCN: Promote i16 ctpop

[Jan Vesely via Phabricator via llvm-commits]

jvesely created this revision.
jvesely added a reviewer: arsenm.
Herald added subscribers: llvm-commits, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, kzhuravl.

i16 capable ASICs do not support i16 operands for this instruction.

Add tablegen pattern to merge chained i16 additions.


Repository:
  rL LLVM

https://reviews.llvm.org/D43985

Files:
  lib/Target/AMDGPU/SIISelLowering.cpp
  lib/Target/AMDGPU/SIInstructions.td
  test/CodeGen/AMDGPU/ctpop16.ll

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