[clang] [CIR] Vector saturating rounding shift right and narrow intrinsics (PR #198947)

[Andrzej Warzyński via cfe-commits]

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@@ -2678,10 +2681,8 @@ CIRGenFunction::emitAArch64BuiltinExpr(unsigned builtinID, const CallExpr *expr,
   case NEON::BI__builtin_neon_vrecpsd_f64:
   case NEON::BI__builtin_neon_vrecpsh_f16:
   case NEON::BI__builtin_neon_vqshrun_n_v:
----------------
banach-space wrote:

```suggestion
  case NEON::BI__builtin_neon_vqshrun_n_v:
      cgm.errorNYI(expr->getSourceRange(),
                 std::string("unimplemented AArch64 builtin call: ") +
                     getContext().BuiltinInfo.getName(builtinID));
    case NEON::BI__builtin_neon_vqrshrun_n_v:
       // NEWLY ADDED CODE
```

https://github.com/llvm/llvm-project/pull/198947