[PATCH] D99033: GlobalISel: Constant fold G_PTR_ADD

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: paquette, aditya_nandakumar, dsanders, bogner, aemerson.
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Some globals lower to literal addresses on AMDGPU.

      

This may be wrong for non-integral address spaces. I'm wondering if we
should just allow regular G_ADD to use pointer types, and reserve
G_PTR_ADD for non-integral address spaces.


https://reviews.llvm.org/D99033

Files:
  llvm/lib/CodeGen/GlobalISel/CSEMIRBuilder.cpp
  llvm/lib/CodeGen/GlobalISel/Utils.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/insertelement.i16.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/irtranslator-function-args.ll

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