[llvm] [LoopVectorize] Enable vectorisation of early exit loops with live-outs (PR #120567)

[David Sherwood via llvm-commits]

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@@ -407,6 +407,11 @@ class LoopVectorizationLegality {
 
   /// Returns the destination of an uncountable early exiting block.
   BasicBlock *getUncountableEarlyExitBlock() const {
+    if (!HasUncountableEarlyExit) {
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david-arm wrote:

I've left this code unchanged for now, since it's being dealt with in https://github.com/llvm/llvm-project/pull/123219. If that patch lands first I'll rebase this one.

https://github.com/llvm/llvm-project/pull/120567