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Tuesday, April 9 • 4:00pm - 4:30pm
LLVM Numerics Improvements

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Interprocedural optimizations (IPOs) have been historically weak in LLVM. The strong reliance on inlining can be seen as a consequence or cause. Since inlining is not always possible (parallel programs) or beneficial (large functions), the effort to improve IPO has recently seen an upswing again [0,1,2]. In order to capitalize this momentum, we would like to talk about the current situation in LLVM, and goals for the immediate, but also distant, future.

This open-ended discussion is not aimed at a particular group of people. We expect to discuss potential problems with IPO, as well as desirable analyses and optimizations, both experts and newcomers are welcome to attend.

[0] https://lists.llvm.org/pipermail/llvm-dev/2018-August/125537.html
[1] These links do not yet exist but will be added later on.
[2] One link will be an RFC outlining missing IPO capabilities, the other will point to a function attribute deduction rewrite patch (almost finished).

Speakers
avatar for Michael Berg

Michael Berg

GPU Compiler Engineer, Apple


Tuesday April 9, 2019 4:00pm - 4:30pm CEST
Esterel