[llvm-branch-commits] [llvm] [SPIRV] Do not eliminate `OpPointerType` even if unused (PR #182551)

[Steven Perron via llvm-branch-commits]

s-perron wrote:

> @s-perron If you can help with this I'd really appreciate it. I'm not familiar enough with the whole backend.

This has come up in some HLSL tests as well. I'll try to look at all of the tests, and come up with a plan.

https://github.com/llvm/llvm-project/pull/182551