[llvm] [profcheck] Add unknown branch weights to expanded cmpxchg loop. (PR #165841)

[Matt Arsenault via llvm-commits]

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@@ -1259,8 +1260,7 @@ Value *AtomicExpandImpl::insertRMWLLSCLoop(
   BasicBlock *BB = Builder.GetInsertBlock();
   Function *F = BB->getParent();
 
-  assert(AddrAlign >=
-             F->getDataLayout().getTypeStoreSize(ResultTy) &&
+  assert(AddrAlign >= F->getDataLayout().getTypeStoreSize(ResultTy) &&
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arsenm wrote:

Unrelated change 

https://github.com/llvm/llvm-project/pull/165841