[llvm] [LV] Make greater use of ScalarEvolution in addDiffRuntimeChecks (PR #213668)

[David Sherwood via llvm-commits]

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@@ -2294,20 +2295,13 @@ Value *llvm::addDiffRuntimeChecks(
   DenseMap<std::pair<Value *, Value *>, Value *> SeenCompares;
   // Cache of (VF * IC * AccessSize) - 1, shared across checks with matching
   // type and IC*AccessSize to avoid emitting duplicate runtime computations.
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david-arm wrote:

Done

https://github.com/llvm/llvm-project/pull/213668