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

[Michael Liao via Phabricator via llvm-commits]

hliao added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp:533
+  if (!LD)
+    return -1;
+
----------------
tra wrote:
> Is there a suitable constant for `don't know` result?
I would say all generic pointers loaded from the constant memory are safe to be assumed as global ones (for AMDGPU). I explained the reason in the usage document. The constant memory could be modified by the host, where only global memory objects are visible.


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https://reviews.llvm.org/D91121