public int getTargetAddress() {
    return target.getAddress();
  }
Gets the target address of this instruction. This is only valid to call if the target
instruction has been assigned an address, and it is merely a convenient shorthand for {@code
getTarget().getAddress()}.

@return {@code >= 0;} the target address
android/android_framework/dex-maker/src/main/java/com/android/dx/dex/code/TargetInsn.java