diff --git a/llvm/include/llvm/SandboxIR/Constant.h b/llvm/include/llvm/SandboxIR/Constant.h
index 6eafdefde60262..17f55e973cd764 100644
--- a/llvm/include/llvm/SandboxIR/Constant.h
+++ b/llvm/include/llvm/SandboxIR/Constant.h
@@ -22,6 +22,7 @@
 #include "llvm/SandboxIR/Context.h"
 #include "llvm/SandboxIR/Type.h"
 #include "llvm/SandboxIR/User.h"
+#include "llvm/Support/Compiler.h"
 
 namespace llvm::sandboxir {
 
@@ -797,6 +798,25 @@ class GlobalWithNodeAPI : public ParentT {
   }
 };
 
+// These are needed for SandboxIRTest when building with LLVM_BUILD_LLVM_DYLIB
+extern template LLVM_TEMPLATE_ABI GlobalIFunc &
+GlobalWithNodeAPI<GlobalIFunc, llvm::GlobalIFunc, GlobalObject,
+                  llvm::GlobalObject>::LLVMGVToGV::operator()(llvm::GlobalIFunc
+                                                                  &LLVMGV)
+    const;
+extern template LLVM_TEMPLATE_ABI Function &
+GlobalWithNodeAPI<Function, llvm::Function, GlobalObject, llvm::GlobalObject>::
+    LLVMGVToGV::operator()(llvm::Function &LLVMGV) const;
+
+extern template LLVM_TEMPLATE_ABI GlobalVariable &GlobalWithNodeAPI<
+    GlobalVariable, llvm::GlobalVariable, GlobalObject,
+    llvm::GlobalObject>::LLVMGVToGV::operator()(llvm::GlobalVariable &LLVMGV)
+    const;
+extern template LLVM_TEMPLATE_ABI GlobalAlias &
+GlobalWithNodeAPI<GlobalAlias, llvm::GlobalAlias, GlobalValue,
+                  llvm::GlobalValue>::LLVMGVToGV::operator()(llvm::GlobalAlias
+                                                                 &LLVMGV) const;
+
 class GlobalIFunc final
     : public GlobalWithNodeAPI<GlobalIFunc, llvm::GlobalIFunc, GlobalObject,
                                llvm::GlobalObject> {
diff --git a/llvm/lib/SandboxIR/Constant.cpp b/llvm/lib/SandboxIR/Constant.cpp
index f26c004f630925..3e13c935c42811 100644
--- a/llvm/lib/SandboxIR/Constant.cpp
+++ b/llvm/lib/SandboxIR/Constant.cpp
@@ -11,6 +11,7 @@
 #include "llvm/SandboxIR/BasicBlock.h"
 #include "llvm/SandboxIR/Context.h"
 #include "llvm/SandboxIR/Function.h"
+#include "llvm/Support/Compiler.h"
 
 namespace llvm::sandboxir {
 
@@ -301,6 +302,27 @@ template class GlobalWithNodeAPI<GlobalVariable, llvm::GlobalVariable,
 template class GlobalWithNodeAPI<GlobalAlias, llvm::GlobalAlias, GlobalValue,
                                  llvm::GlobalValue>;
 
+#ifdef _MSC_VER
+// These are needed for SandboxIRTest when building with LLVM_BUILD_LLVM_DYLIB
+template LLVM_EXPORT_TEMPLATE GlobalIFunc &
+GlobalWithNodeAPI<GlobalIFunc, llvm::GlobalIFunc, GlobalObject,
+                  llvm::GlobalObject>::LLVMGVToGV::operator()(llvm::GlobalIFunc
+                                                                  &LLVMGV)
+    const;
+template LLVM_EXPORT_TEMPLATE Function &
+GlobalWithNodeAPI<Function, llvm::Function, GlobalObject, llvm::GlobalObject>::
+    LLVMGVToGV::operator()(llvm::Function &LLVMGV) const;
+
+template LLVM_EXPORT_TEMPLATE GlobalVariable &GlobalWithNodeAPI<
+    GlobalVariable, llvm::GlobalVariable, GlobalObject,
+    llvm::GlobalObject>::LLVMGVToGV::operator()(llvm::GlobalVariable &LLVMGV)
+    const;
+template LLVM_EXPORT_TEMPLATE GlobalAlias &
+GlobalWithNodeAPI<GlobalAlias, llvm::GlobalAlias, GlobalValue,
+                  llvm::GlobalValue>::LLVMGVToGV::operator()(llvm::GlobalAlias
+                                                                 &LLVMGV) const;
+#endif
+
 void GlobalIFunc::setResolver(Constant *Resolver) {
   Ctx.getTracker()
       .emplaceIfTracking<