[flang] [llvm] [mlir][llvm][OpenMP] Emit llvm.stacksave and llvm.stackrestore in __atomic_compare_exchange (PR #132888)

[via llvm-commits]

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@@ -118,8 +118,14 @@ AtomicInfo::EmitAtomicLoadLibcall(AtomicOrdering AO) {
   Value *PtrVal = getAtomicPointer();
   PtrVal = Builder->CreateAddrSpaceCast(PtrVal, PointerType::getUnqual(Ctx));
   Args.push_back(PtrVal);
+
+  auto CurrentIP = Builder->saveIP();
+  BasicBlock &InsertBB =
+      Builder->GetInsertBlock()->getParent()->getEntryBlock();
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NimishMishra wrote:

I will make the changes Michael requested. Thanks.

https://github.com/llvm/llvm-project/pull/132888