[llvm] [SPIRV] Restrict OpName generation to major values (PR #171886)

[Steven Perron via llvm-commits]

s-perron wrote:

@michalpaszkowski As discussed in the metting yesterday. Here is a PR. Please add people who had opinions as reviewers. I did not get everyone's name during the call.


https://github.com/llvm/llvm-project/pull/171886