[PATCH] D30217: AMDGPU: Fix asserting on 0 dmask for image intrinsics

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: tpr, dstuttard, tony-tye, yaxunl, nhaehnle, wdng, kzhuravl.

Fold these to undef during lowering so users get eliminated.


https://reviews.llvm.org/D30217

Files:
  lib/Target/AMDGPU/SIISelLowering.cpp
  test/CodeGen/AMDGPU/llvm.amdgcn.image.getlod.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.ll
  test/CodeGen/AMDGPU/llvm.amdgcn.image.sample.o.ll

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