[llvm] [Passes] Generalize ShouldRunExtraVectorPasses to allow re-use (NFCI). (PR #118323)

[Florian Hahn via llvm-commits]

================
@@ -1328,8 +1328,8 @@ void PassBuilder::addVectorPasses(OptimizationLevel Level,
     ExtraPasses.addPass(
         SimplifyCFGPass(SimplifyCFGOptions().convertSwitchRangeToICmp(true)));
     ExtraPasses.addPass(InstCombinePass());
-    FPM.addPass(std::move(ExtraPasses));
   }
+  FPM.addPass(std::move(ExtraPasses));
----------------
fhahn wrote:

This was a consequence of using a single marker, this required the pass manager to run unconditionally to clear the marker set by LV.

https://github.com/llvm/llvm-project/pull/118323