[PATCH] D56304: AMDGPU/GlobalISel: Fix some crashs in g_unmerge_values/g_merge_values

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: rampitec, tstellar.
Herald added subscribers: kristof.beyls, t-tye, tpr, dstuttard, javed.absar, rovka, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.

This was crashing in the predicate function assuming the value
is a vector.

      

Copy more of what AArch64 uses. This probably needs more refinement
later, but I don't exactly understand what it means in some cases,
particularly since any legalization for these seems to be missing.


https://reviews.llvm.org/D56304

Files:
  lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values-xfail.mir
  test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir

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