[PATCH] D71838: [AMDGPU] Don't create MachinePointerInfos with an UndefValue pointer

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added reviewers: arsenm, rampitec.
Herald added subscribers: Petar.Avramovic, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng, jvesely, kzhuravl.
Herald added a project: LLVM.

The only useful information the UndefValue conveys is the address space,
which MachinePointerInfo can represent directly without referring to an
IR value.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D71838

Files:
  llvm/lib/Target/AMDGPU/AMDGPUCallLowering.cpp
  llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
  llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
  llvm/lib/Target/AMDGPU/SIFrameLowering.cpp
  llvm/lib/Target/AMDGPU/SIISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/irtranslator-amdgpu_kernel.ll
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-addrspacecast.mir

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