[llvm] [AMDGPU][True16][CodeGen] stop emitting spgr_lo16 from isel (PR #144819)

[Joe Nash via llvm-commits]

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@@ -10099,6 +10099,15 @@ define <2 x i64> @srem_zero_zero() {
 ; GCN-LABEL: kernel:
 ; GCN:       ; %bb.0: ; %entry
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Sisyph wrote:

Test output looks a little strange, delete GCN checks here?

https://github.com/llvm/llvm-project/pull/144819