[PATCH] D74740: AMDGPU/GlobalISel: Select G_SHUFFLE_VECTOR

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: nhaehnle, kerbowa, foad, rampitec.
Herald added subscribers: hiraditya, t-tye, tpr, dstuttard, rovka, yaxunl, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

G_SHUFFLE_VECTOR is legal since it theoretically may help match op_sel
for VOP3P instructions. Expand it in some other way in case it doesn't
fold into the use instructions.


https://reviews.llvm.org/D74740

Files:
  llvm/lib/Target/AMDGPU/AMDGPUGlobalISelUtils.cpp
  llvm/lib/Target/AMDGPU/AMDGPUGlobalISelUtils.h
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
  llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/inst-select-shuffle-vector.v2s16.mir

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D74740.245040.patch
Type: text/x-patch
Size: 29754 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20200217/a1d437f3/attachment.bin>