[llvm] [Analysis][ValueTracking] Unify most of the tracking between AssumptionCache and DomConditionCache (PR #83161)

[Yingwei Zheng via llvm-commits]

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@@ -1195,6 +1195,12 @@ std::optional<bool> isImpliedByDomCondition(CmpInst::Predicate Pred,
                                             const Value *LHS, const Value *RHS,
                                             const Instruction *ContextI,
                                             const DataLayout &DL);
+
+// Call `InsertAffected` on all Values whose known bits / value may be affected
+// the condition `Cond`. Used by AssumptionCache and DomConditionCache.
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dtcxzyw wrote:

https://llvm.org/docs/CodingStandards.html#comment-formatting

> In general, prefer C++-style comments (// for normal comments, /// for doxygen documentation comments). 

https://github.com/llvm/llvm-project/pull/83161