Displaying 1 result from an estimated 1 matches for "1062294".
2017 Mar 17
7
Saving Compile Time in InstCombine
Hi,
One of the most time-consuming passes in LLVM middle-end is InstCombine (see e.g. [1]). It is a very powerful pass capable of doing all the crazy stuff, and new patterns are being constantly introduced there. The problem is that we often use it just as a clean-up pass: it's scheduled 6 times in the current pass pipeline, and each time it's invoked it checks all known patterns. It