[PATCH] D124988: [DAGCombiner] Fold (sext/zext undef) -> 0 and aext(undef) -> undef.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: spatel, RKSimon.
Herald added subscribers: StephenFan, frasercrmck, ecnelises, kerbowa, luismarques, apazos, sameer.abuasal, s.egerton, Jim, jocewei, PkmX, the_o, brucehoult, MartinMosbeck, rogfer01, edward-jones, zzheng, jrtc27, niosHD, sabuasal, simoncook, johnrusso, rbar, asb, hiraditya, jvesely.
Herald added a project: All.
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Herald added a project: LLVM.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D124988

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.class.ll
  llvm/test/CodeGen/RISCV/min-max.ll

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