| 摘要 |
A technique for optimizing a program by reusing an execution result of a subclass test function. It includes a reusability determining unit to determine reusability of code of a subclass test function based on whether access to a global memory includes only access for reading out type information specified in a function call, a profiling unit configured to store an execution result of code determined to be reusable and specified information in a storage device in association with actually accessed type information, a reuse processing unit configured to reuse, in response to detection of a function call for calling the code determined to be reusable, the execution result on condition that the pieces of specified information specified in the function calls match, and a monitoring unit configured to monitor the type information associated with the execution result and prohibit reuse of the execution result if the type information is changed.
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