[llvm] [coro][CoroSplit] Use `llvm.lifetime.end` to compute putting objects on the frame vs the stack (PR #90265)

[Alan Zhao via llvm-commits]

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@@ -1550,13 +1556,16 @@ struct AllocaUseVisitor : PtrUseVisitor<AllocaUseVisitor> {
   }
 
   void visitIntrinsicInst(IntrinsicInst &II) {
+    if (II.getIntrinsicID() == Intrinsic::lifetime_end)
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alanzhao1 wrote:

Done (but there's no logic change anyways since we don't check `LifetimeEndBBs` if there are no `LifetimeStarts`).

https://github.com/llvm/llvm-project/pull/90265