[llvm] [AMDGPU] Handle register variant S_SETREG when fixing VGPR MSB clobbers (PR #218941)

[Arseniy Obolenskiy via llvm-commits]

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+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1250 < %s | FileCheck %s
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aobolensk wrote:

Done

https://github.com/llvm/llvm-project/pull/218941