[llvm] [llc] Provide `opt` like verifier options (PR #106665)

[Mikael Holmén via llvm-commits]

mikaelholmen wrote:

> I think something broke with this patch. If I run
> 
> ```
> valgrind llc -mtriple=x86_64-pc-linux-gnu -enable-new-pm -print-pipeline-passes -filetype=null test/tools/llc/new-pm/pipeline.ll
> ```
> 
> with this patch I get a
> 
> ```
> ==3681339== Conditional jump or move depends on uninitialised value(s)
> ```
> 
> complaint, and on some downstream buildbots I see a libc error
> 
> ```
> 14:54:29 *** Error in `/repo/.../bin/llc': free(): invalid pointer: 0x00007fa3183497d8 ***
> ```
> 
> when running the same testcase.

The problem seems to disappear with https://github.com/llvm/llvm-project/pull/107237 . I don't know if that is reasonable?

https://github.com/llvm/llvm-project/pull/106665