[llvm] [Analysis] Add getPredicatedExitCount to ScalarEvolution (PR #105649)

[Nikita Popov via llvm-commits]

================
@@ -871,6 +871,13 @@ class ScalarEvolution {
   const SCEV *getExitCount(const Loop *L, const BasicBlock *ExitingBlock,
                            ExitCountKind Kind = Exact);
 
+  /// Same as above except this uses the predicated backedge taken info and
+  /// may require predicates.
+  const SCEV *
+  getPredicatedExitCount(const Loop *L, const BasicBlock *ExitingBlock,
+                         SmallVector<const SCEVPredicate *, 4> *Predicates,
----------------
nikic wrote:

```suggestion
                         SmallVectorImpl<const SCEVPredicate *> *Predicates,
```

https://github.com/llvm/llvm-project/pull/105649