An AMDGPUAA class already existed that was supposed to work with the new
PM, but it wasn't tested and was a bit broken.
Fix up the existing classes to have the right keys/parameters.
Wire up AMDGPUAA inside AMDGPUTargetMachine.
Add it to the list of alias analyses for the "default" AAManager since
in adjustPassManager() amdgpu-aa is added into the pipeline at the
beginning.
clang-tidy: error: only virtual member functions can be marked 'override' [clang-diagnostic-error]
not useful
clang-tidy: error: only virtual member functions can be marked 'override' [clang-diagnostic-error]
not useful