diff --git a/src/backend/jit/llvm/llvmjit_wrap.cpp b/src/backend/jit/llvm/llvmjit_wrap.cpp
index 692d7ff657..89b276e692 100644
--- a/src/backend/jit/llvm/llvmjit_wrap.cpp
+++ b/src/backend/jit/llvm/llvmjit_wrap.cpp
@@ -88,3 +88,11 @@ LLVMGetFunctionType(LLVMValueRef r)
 {
 	return llvm::wrap(llvm::unwrap<llvm::Function>(r)->getFunctionType());
 }
+
+#if LLVM_VERSION_MAJOR < 8
+LLVMTypeRef
+LLVMGlobalGetValueType(LLVMValueRef g)
+{
+	return llvm::wrap(llvm::unwrap<llvm::GlobalValue>(g)->getValueType());
+}
+#endif
diff --git a/src/include/jit/llvmjit.h b/src/include/jit/llvmjit.h
index 84aaaf5fc4..4009b43055 100644
--- a/src/include/jit/llvmjit.h
+++ b/src/include/jit/llvmjit.h
@@ -141,6 +141,10 @@ extern unsigned LLVMGetAttributeCountAtIndexPG(LLVMValueRef F, uint32 Idx);
 extern LLVMTypeRef LLVMGetFunctionReturnType(LLVMValueRef r);
 extern LLVMTypeRef LLVMGetFunctionType(LLVMValueRef r);
 
+#if LLVM_MAJOR_VERSION < 8
+extern LLVMTypeRef LLVMGlobalGetValueType(LLVMValueRef g);
+#endif
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif