jayfoad wrote:

How does this work in a case like this?
```
call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) 
@lds.3, i32 4, i32 0, i32 0, i32 0, i32 0)
call void @llvm.amdgcn.raw.buffer.load.lds(<4 x i32> %rsrc, ptr addrspace(3) 
%ptr, i32 4, i32 0, i32 0, i32 0, i32 0)
%val.3 = load float, ptr addrspace(3) @lds.3, align 4
```
i.e.
- store to known lds address `@lds.3` (this will use slot 0 and another slot 
e.g. slot 3?)
- store to unknown lds address (this will use slot 0?)
- load from known lds address `@lds.3` (this will use slot 3?)

https://github.com/llvm/llvm-project/pull/74537
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