[PATCH] D91121: [InferAddrSpace] Teach to handle assumed address space.

[Michael Liao via Phabricator via llvm-commits]

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- In certain cases, a generic pointer could be assumed as a pointer to the global memory space or other spaces. With a dedicated target hook to query that address space from a given value, infer-address-space pass could infer and propagate that to all its users.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D91121

Files:
  llvm/include/llvm/Analysis/TargetTransformInfo.h
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/CodeGen/BasicTTIImpl.h
  llvm/include/llvm/Target/TargetMachine.h
  llvm/lib/Analysis/TargetTransformInfo.cpp
  llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
  llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
  llvm/lib/Transforms/Scalar/InferAddressSpaces.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/divergent-control-flow.ll
  llvm/test/Transforms/InferAddressSpaces/AMDGPU/assumed-addrspace.ll

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