[llvm] [SystemZ][XRay] Implement XRay instrumentation for SystemZ (PR #113253)

[Kai Nacke via llvm-commits]

redstar wrote:

@uweigand Just to make sure:

```
  bool HasVectorFeature =
      TM.getMCSubtargetInfo()->hasFeature(SystemZ::FeatureVector);
```

is the correct way to determine if the user compiles with the vector extension enabled, isn't it?

https://github.com/llvm/llvm-project/pull/113253