International Business Machines Corporation
Assessment of the benefit of post-inlining program transformation in inlining decisions

Abstract:

A method, computer system, and computer program product for estimation of post-inlining transformation benefits are provided. The embodiment may include performing abstract interpretation on a program to find potential post-inlining transformations. The embodiment may also include encoding potential post-inlining transformations into a profitability metric by associating constraints under which a profit is determined to be realized. The embodiment may further include scaling the profitability metric using the relative execution frequency of the program point to which the transformation applies to favor applying transformations in the most frequently executed code paths. The embodiment may also include generating method summaries to store the potential post-inlining transformations in the method summaries. The embodiment may further include creating a method summary map to match each method with each method summary.