[llvm] [TableGen] Split large printInstruction() for NVPTX to avoid compiler limits (PR #218530)

[Kazu Hirata via llvm-commits]

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kazutakahirata wrote:

Keep the instruction name comments to make it easier to inspect the generated table:
```suggestion
    O << "    " << OpcodeToOffset[I] << ",\t// " << NumberedInsts[I]->getName()
      << "\n";
```



https://github.com/llvm/llvm-project/pull/218530