[llvm] [LoopVectorize] Use new getUniqueLatchExitBlock routine (PR #108231)

[David Sherwood via llvm-commits]

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@@ -159,6 +159,16 @@ BlockT *LoopBase<BlockT, LoopT>::getUniqueExitBlock() const {
   return getExitBlockHelper(this, true).first;
 }
 
+template <class BlockT, class LoopT>
+BlockT *LoopBase<BlockT, LoopT>::getUniqueLatchExitBlock() const {
+  const BlockT *Latch = getLoopLatch();
+  assert(Latch && "Latch block must exists");
+  SmallVector<BlockT *, 4> ExitBlocks;
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david-arm wrote:

Done!

https://github.com/llvm/llvm-project/pull/108231