[all-commits] [llvm/llvm-project] cc9440: [Attributor] Take the address space from addrspace...

[Shilei Tian via All-commits]

  Branch: refs/heads/users/shiltian/as-cast
  Home:   https://github.com/llvm/llvm-project
  Commit: cc9440a76d8f754603fb0c4d23f60d684808681f
      https://github.com/llvm/llvm-project/commit/cc9440a76d8f754603fb0c4d23f60d684808681f
  Author: Shilei Tian <i at tianshilei.me>
  Date:   2024-09-14 (Sat, 14 Sep 2024)

  Changed paths:
    M llvm/lib/Transforms/IPO/AttributorAttributes.cpp
    M llvm/test/CodeGen/AMDGPU/aa-as-infer.ll
    M llvm/test/CodeGen/AMDGPU/addrspacecast.ll

  Log Message:
  -----------
  [Attributor] Take the address space from addrspacecast directly

If the value to be analyzed is directly from addrspacecast, we take the source
address space directly. This is to improve the case where in
`AMDGPUPromoteKernelArgumentsPass`, the kernel argument is promoted by
insertting an addrspacecast directly from a generic pointer. However, during the
analysis, the underlying object will be the generic pointer, instead of the
addrspacecast, thus the inferred address space is the generic one, which is not
ideal.



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