Round 1 of rodinia schedule optimization

• Write better CPU schedules for all rodinia benchmarks.
• Add const-inline pass (inter-procedural constant propagation).
• Add module name to generated function names to avoid linker name collisions.

hercules_opt/src/editor.rs

@@ -880,6 +880,18 @@ impl<'a, 'b> FunctionEdit<'a, 'b> {
         }
     }
 
+    pub fn get_param_types(&self) -> &Vec<TypeID> {
+        self.updated_param_types
+            .as_ref()
+            .unwrap_or(&self.editor.function.param_types)
+    }
+
+    pub fn get_return_types(&self) -> &Vec<TypeID> {
+        self.updated_return_types
+            .as_ref()
+            .unwrap_or(&self.editor.function.return_types)
+    }
+
     pub fn set_param_types(&mut self, tys: Vec<TypeID>) {
         self.updated_param_types = Some(tys);
     }