In this blog post, CF Bolz-Tereick introduces a small IR and optimizer, extending it with allocation removal and heap optimizations in a live stream. Abstract interpretation is explained as a method for efficiently computing properties of a program without running it, often used in compiler optimizations and static analysis. The author presents an example using a Toy IR, tracking abstract properties of variables. They delve into abstract domains like positive/negative values and known bits, demonstrating how abstract interpretation can optimize programs by replacing operations with constants based on inferred properties. The post ends with a discussion on complex abstract domains and real-world applications of abstract interpretation.
https://bernsteinbear.com/blog/toy-abstract-interpretation/