[PATCH] D48575: [GISel]; Add a helper legalization rule for legalizing addressspacecast if no-op

[Aditya Nandakumar via Phabricator via llvm-commits]

aditya_nandakumar created this revision.
aditya_nandakumar added reviewers: dsanders, volkan, bogner, aemerson, ab.
Herald added a reviewer: javed.absar.

Added .legalIfNoopAddrSpaceCast predicate to handle the common case of a no-op addrspacecast in most targets.


Repository:
  rL LLVM

https://reviews.llvm.org/D48575

Files:
  include/llvm/CodeGen/GlobalISel/LegalizerInfo.h
  lib/CodeGen/GlobalISel/LegalityPredicates.cpp
  lib/Target/AArch64/AArch64LegalizerInfo.cpp
  test/CodeGen/AArch64/GlobalISel/legalize-addrspacecast.mir

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