[PATCH] D51844: Allow subclassing ExternalAA

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added a reviewer: chandlerc.
Herald added subscribers: tpr, nhaehnle, wdng, jvesely.

This allows testing AMDGPU alias analysis like any
other alias analysis pass. This fixes the existing
test pointlessly running opt -O3 when it really
 just wants to run the one analysis.

      

Before there was no way to test this using -aa-eval
with opt, since the default constructed pass
is run. The wrapper subclass allows the
default constructor to pass the necessary callback.

The naming is kind of a mess with multiple "Wrapper" passes


https://reviews.llvm.org/D51844

Files:
  include/llvm/Analysis/AliasAnalysis.h
  lib/Analysis/AliasAnalysis.cpp
  lib/Target/AMDGPU/AMDGPU.h
  lib/Target/AMDGPU/AMDGPUAliasAnalysis.cpp
  lib/Target/AMDGPU/AMDGPUAliasAnalysis.h
  lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  test/CodeGen/AMDGPU/amdgpu-alias-analysis.ll

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