[PATCH] D63402: InferAddressSpaces: Fix cloning original addrspacecast

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: hliao, tra, yaxunl.
Herald added subscribers: jfb, nhaehnle, wdng, jvesely.

If an addrspacecast needed to be inserted again, this was creating a
clone of the original cast for each user. Just use the original, which
also saves losing the value name.


https://reviews.llvm.org/D63402

Files:
  lib/Transforms/Scalar/InferAddressSpaces.cpp
  test/Transforms/InferAddressSpaces/AMDGPU/icmp.ll
  test/Transforms/InferAddressSpaces/AMDGPU/infer-addrspacecast.ll
  test/Transforms/InferAddressSpaces/AMDGPU/intrinsics.ll
  test/Transforms/InferAddressSpaces/AMDGPU/redundant-addrspacecast.ll
  test/Transforms/InferAddressSpaces/AMDGPU/select.ll
  test/Transforms/InferAddressSpaces/AMDGPU/volatile.ll

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