public <T> void move(Local<T> target, Local<T> source) {
    addInstruction(
        new PlainInsn(
            Rops.opMove(source.type.ropType), sourcePosition, target.spec(), source.spec()));
  }
Copies the value in {@code source} to {@code target}.
android/android_framework/dex-maker/src/main/java/com/android/dx/Code.java