[llvm] [AMDGPU] Mark AGPR tuple implicit in the first instr of AGPR spills. (PR #115285)

[Pravin Jagtap via llvm-commits]

pravinjagtap wrote:

> > > Looking at copyPhysReg, I think the same bug exists there for the V_PK_MOV_B32 case
> > 
> > 
> > Are you going to look into this one?
> 
> Yes, I am.

I found https://github.com/llvm/llvm-project/blob/e821f642fdc75922b1a020447485acccf3e7fa92/llvm/test/CodeGen/AMDGPU/v_mov_b64_expansion.mir i.e expansion of V_MOV_B64_PSEUDO which uses V_PK_MOV_B32 where implicit is not used. Are you referring to the same case? or something else?

https://github.com/llvm/llvm-project/pull/115285