================
@@ -1059,9 +1059,15 @@ 
CodeGenFunction::GenerateCXXGlobalInitFunc(llvm::Function *Fn,
     if (Guard.isValid()) {
       // If we have a guard variable, check whether we've already performed
       // these initializations. This happens for TLS initialization functions.
-      llvm::Value *GuardVal = Builder.CreateLoad(Guard);
-      llvm::Value *Uninit = Builder.CreateIsNull(GuardVal,
-                                                 "guard.uninitialized");
+      Address GuardAddr = Guard;
+      if (auto *GV = dyn_cast<llvm::GlobalValue>(Guard.getPointer()))
----------------
nikola-tesic-ns wrote:

I've added changes to pass down `IsTLS` flag from the point where variable is 
created. That should ensure we always emit TLS intrinsic.

https://github.com/llvm/llvm-project/pull/96633
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