Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

matt godbolt @mattgodbolt@hachyderm.io

12/24/2025, 1:30:35 PM

Public

@gumnosTim Chase something about it falling out of induction variable analysis if I remember right when I asked the devs. Sorry I wasn't clearer!

Krister Walfridsson @kristerw@mastodon.gamedev.place

12/24/2025, 2:35:09 PM

Public

@mattgodbolt @gumnosTim Chase I wrote a blog post some years ago explaining how this kind of optimization works:
https://kristerw.blogspot.com/2019/04/how-llvm-optimizes-geometric-sums.html

How LLVM optimizes power sums

LLVM optimizes power sums, such as int sum(int count) { int result = 0; for (int j = 0; j < count; ++j) result += j*j; return...

kristerw.blogspot.com

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