[llvm] [LV] Initial support for stores in early exit loops (PR #137774)

[David Sherwood via llvm-commits]

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@@ -1708,16 +1755,31 @@ bool LoopVectorizationLegality::isVectorizableEarlyExitLoop() {
     }
   };
 
+  bool HasStore = false;
   for (auto *BB : TheLoop->blocks())
     for (auto &I : *BB) {
+      if (StoreInst *SI = dyn_cast<StoreInst>(&I)) {
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david-arm wrote:

Does it matter if the store is prior to or after the early exit?

https://github.com/llvm/llvm-project/pull/137774