In a large pan, heat olive oil over medium-high heat. Add garlic and cook for 1 to 2 minutes. Add tomatoes and cook for 3 minutes, stirring frequently. Add shrimp to pan and cook for 3 to 4 minutes, or until shrimp are cooked through. Add spinach and cook for 3 minutes, stirring frequently until spinach is wilted. Add white wine to pan, stirring to combine. Add butter, stirring to melt. Serve immediately over pasta.