[PATCH] D79647: AMDGPU: Skip GetUnderlyingObject check in pointsToConstantMemory

[Matt Arsenault via Phabricator via llvm-commits]

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

Check the address space first before searching for the object
definition to save compile time. As an added bonus, this will now
treat casts to constant addrspace as constant.

      

We also seemed to be missing target tests for this, so add a few
missing other cases too.


https://reviews.llvm.org/D79647

Files:
  llvm/lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp
  llvm/test/CodeGen/AMDGPU/aa-points-to-constant-memory.ll

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