[all-commits] [llvm/llvm-project] c7c05b: [AMDGPU] Don't create MachinePointerInfos with an ...

[jayfoad via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: c7c05b0c8a046c9bef46b4e4c7a35c262d1d880a
      https://github.com/llvm/llvm-project/commit/c7c05b0c8a046c9bef46b4e4c7a35c262d1d880a
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2019-12-23 (Mon, 23 Dec 2019)

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

  Log Message:
  -----------
  [AMDGPU] Don't create MachinePointerInfos with an UndefValue pointer

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

Reviewers: arsenm, rampitec

Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, dstuttard, tpr, t-tye, hiraditya, Petar.Avramovic, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71838