[llvm] [CopyProf] Add CopyProf instrumentation passes. (PR #207385)

[via llvm-commits]

newgre wrote:

> @newgre The windows CI is still failing. Here is github copilots assessment:
> 
> GitHub Copilot Chat Assistant — The job failed because the DWARF unit-test executable failed to link. The linker error is the root cause:
> 
> Linker error (from the job log): lld-link: error: undefined symbol: LLVMInitializeAVRAsmParser FAILED: unittests/DebugInfo/DWARF/DebugInfoDWARFTests.exe ninja: build stopped: cannot make progress due to previous errors. ##[error]Process completed with exit code 127. What that means
> 
> The test executable could not be produced because the symbol LLVMInitializeAVRAsmParser (an AVR target initialization function) is missing from the link line. In short: some object/reference expects the AVR asm-parser init symbol but the library that provides it was not linked/built into the final binary.
> 
> Could you take a look if it is related? If not perhaps rebasing will make this go away.

Ah yes, i had already root caused the failure and it is unrelated. Sorry, forgot to comment on this here. I've now rebased the changes and everything looks green.

https://github.com/llvm/llvm-project/pull/207385