Check if the demo is turned off
deactivate it in Xcode 4.X with :
Product -> Debug Workflow -> Show Disassembly When Debugging
And in Xcode 5.X via:
Debug > Debug Workflow > Show Disassembly when debugging.
Filter debug information
Another tactic to avoid assembly steps is to filter the stack trace to the source code using the Debug button.
(, ), . ( Apple .). , .
