[llvm] [AMDGPU] Make `getAssumedAddrSpace` return AS1 for pointer kernel arguments (PR #137488)

[Matt Arsenault via llvm-commits]

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@@ -407,7 +407,7 @@ main_body:
 
 ; TODO: NSA reassign is very limited and cannot work with VGPR tuples and subregs.
 
-define amdgpu_kernel void @image_bvh_intersect_ray_nsa_reassign(ptr %p_node_ptr, ptr %p_ray, <4 x i32> %tdescr) {
+define amdgpu_kernel void @image_bvh_intersect_ray_nsa_reassign(ptr %p_node_ptr, ptr %p_ray, <4 x i32> inreg %tdescr) {
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arsenm wrote:

unrelated new inreg? 

https://github.com/llvm/llvm-project/pull/137488