[llvm] [LV] Optimise latch exit induction users for some early exit loops (PR #128880)

[Benjamin Maxwell via llvm-commits]

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@@ -730,67 +730,74 @@ static VPWidenInductionRecipe *getOptimizableIVOf(VPValue *VPV) {
   return IsWideIVInc() ? WideIV : nullptr;
 }
 
-void VPlanTransforms::optimizeInductionExitUsers(
-    VPlan &Plan, DenseMap<VPValue *, VPValue *> &EndValues) {
+static VPValue *
+optimizeLatchExitInductionUser(VPlan &Plan, VPTypeAnalysis &TypeInfo,
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MacDue wrote:

Worth adding a doc comment now this is split off from `optimizeInductionExitUsers()`?

https://github.com/llvm/llvm-project/pull/128880