[PATCH] D105347: [AMDGPU][GlobalISel] Legalization of G_ROTL and G_ROTR

[Mateja Marjanovic via Phabricator via llvm-commits]

matejam updated this revision to Diff 369083.
matejam added a comment.

In case the funnel shift instruction is not legal and the type is not a power of 2, use the old way of lowering (G_ROTL/G_ROTR -> G_SHL/G_LSHR).


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105347/new/

https://reviews.llvm.org/D105347

Files:
  llvm/include/llvm/CodeGen/GlobalISel/MachineIRBuilder.h
  llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-rotl-rotr.mir

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