[llvm] RFC: [AMDGPU] Remove intrinsic declarations from CodeGen tests (PR #85731)

[Matt Arsenault via llvm-commits]

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@@ -834,15 +834,4 @@ define amdgpu_ps float @struct_buffer_load_f32__sgpr_rsrc__vgpr_vindex__vgpr_vof
   ret float %val
 }
 
-declare i8 @llvm.amdgcn.struct.buffer.load.i8(<4 x i32>, i32, i32, i32, i32 immarg) #0
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arsenm wrote:

Particularly in cases like this, I think it's useful to be able to refer to the intrinsic signature here

https://github.com/llvm/llvm-project/pull/85731