May 2015
Intermediate to advanced
296 pages
5h 10m
English
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Registering a pass with pass manager
Until now, a new pass was a dynamic object that was run independently. The opt tool consists of a pipeline of such passes that are registered with the pass manager, and a part of LLVM. Let's see how to register our pass with the Pass Manager.
Getting ready
The PassManager class takes a list of passes, ensures that their prerequisites are set up correctly, and then schedules the passes to run efficiently. The Pass Manager does two main tasks to try to reduce the execution time of a series of passes:
- Shares the analysis results to avoid recomputing analysis results as much as possible
- Pipelines the execution of passes to the program to get better cache and memory usage behavior out of a series of passes by pipelining ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.