[PATCH] D159283: Add intrinsic to count trailing zero elements in a vector

[Kerry McLaughlin via Phabricator via llvm-commits]

kmclaughlin updated this revision to Diff 557843.
kmclaughlin added a comment.
Herald added subscribers: wangpc, luke, frasercrmck, luismarques, apazos, sameer.abuasal, pengfei, s.egerton, Jim, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, MaskRay, jrtc27, niosHD, sabuasal, simoncook, johnrusso, rbar, asb.

- Added a description of `@llvm.experimental.cttz.elts` to LangRef.
- Split the AArch64 test file so that some tests are not using SVE.
- Added tests for other targets to test generic lowering.
- Added the new tests & patterns from D158291 <https://reviews.llvm.org/D158291> for this intrinsic to this patch.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D159283/new/

https://reviews.llvm.org/D159283

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/include/llvm/IR/Intrinsics.td
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.h
  llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
  llvm/test/CodeGen/AArch64/intrinsic-cttz-elts-sve.ll
  llvm/test/CodeGen/AArch64/intrinsic-cttz-elts.ll
  llvm/test/CodeGen/RISCV/intrinsic-cttz-elts-vscale.ll
  llvm/test/CodeGen/RISCV/intrinsic-cttz-elts.ll
  llvm/test/CodeGen/X86/intrinsic-cttz-elts.ll

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