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

[David Sherwood via llvm-commits]

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

Split this off into https://github.com/llvm/llvm-project/pull/123219

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