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

[Graham Hunter via llvm-commits]

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@@ -407,6 +407,13 @@ class LoopVectorizationLegality {
     return hasUncountableEarlyExit() ? getUncountableEdge()->second : nullptr;
   }
 
+  /// Returns true if this is an early exit loop containing a store.
+  bool isConditionCopyRequired() const { return RequiresEarlyExitConditionCopy; }
+
+  /// Returns the load instruction, if any, nearest to an uncountable early
+  /// exit.
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huntergr-arm wrote:

The load closest in the IR graph to the exit (ideally, the load whose result is used directly in a comparison). I didn't spend much time on the naming ;)

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