================
@@ -1563,6 +1575,39 @@ CIRGenModule::getAddrOfConstantStringFromLiteral(const 
StringLiteral *s,
   return builder.getGlobalViewAttr(ptrTy, gv);
 }
 
+LangAS CIRGenModule::getGlobalVarAddressSpace(const VarDecl *d) {
+  if (langOpts.OpenCL) {
+    LangAS as = d ? d->getType().getAddressSpace() : LangAS::opencl_global;
+    assert(as == LangAS::opencl_global || as == LangAS::opencl_global_device ||
+           as == LangAS::opencl_global_host || as == LangAS::opencl_constant ||
+           as == LangAS::opencl_local || as >= 
LangAS::FirstTargetAddressSpace);
+    return as;
+  }
+
+  if (langOpts.SYCLIsDevice &&
+      (!d || d->getType().getAddressSpace() == LangAS::Default))
+    llvm_unreachable("NYI");
+
+  if (langOpts.CUDA && langOpts.CUDAIsDevice) {
+    if (d) {
+      if (d->hasAttr<CUDAConstantAttr>())
+        return LangAS::cuda_constant;
+      if (d->hasAttr<CUDASharedAttr>())
+        return LangAS::cuda_shared;
+      if (d->hasAttr<CUDADeviceAttr>())
+        return LangAS::cuda_device;
+      if (d->getType().isConstQualified())
+        return LangAS::cuda_constant;
+    }
+    return LangAS::cuda_device;
+  }
+
+  if (langOpts.OpenMP)
+    llvm_unreachable("NYI");
----------------
andykaylor wrote:

```suggestion
    errorNYI(g->getSourceRange(), "global as for OpenMP");
```

https://github.com/llvm/llvm-project/pull/184248
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