Issues · Glasgow Haskell Compiler / GHC · GitLab

-fhpc inteferes/prevents rewrite rules from firing

#2224 · opened Apr 17, 2008 by dons 8.0.1 0 HPC Plow Trac import bug rules
- 13
updated Jul 07, 2019
Word type to Double or Float conversions are slower than Int conversions

#2269 · opened May 07, 2008 by dons 8.0.1 0 Plow Trac import feature request newcomer rules runtime perf
- 16
updated Jul 07, 2019
pattern synonyms and rewrite rules - how can/should they interact?

#19112 · opened Dec 23, 2020 by Carter Schonwald PatternSynonyms needs triage rules
- 11
updated Dec 28, 2020
Rewrite rule can trigger Lint

#18677 · opened Sep 11, 2020 by Simon Peyton Jones Pnormal bug core lint rules
- 6
updated Sep 18, 2020
Confusing printing of unsaturated primops in RULE firings

#18668 · opened Sep 08, 2020 by Richard Eisenberg Plow bug pretty printing rules
- 1
updated Jan 22, 2021
Diverging function with inlined non-diverging unfolding leads to segfault

#18526 · opened Aug 03, 2020 by arata, mizuki Pnormal bug ghc-bignum rules runtime crash
- 7
updated Sep 30, 2020
-Winline-rule-shadowing doesn't work for wired-in Ids

#17778 · opened Feb 02, 2020 by Ömer Sinan Ağacan Pnormal bug error messages rules
- 1
updated Feb 20, 2020
Constant folding for ^ and ^^

#17172 · opened Sep 09, 2019 by Sven Tennie feature request rules simplifier
- 0
updated Jan 23, 2020
Stock deriving improvements

#17037 · opened Aug 07, 2019 by Sophie Taylor Pnormal deriving feature request rules runtime perf
- 0
updated Jan 23, 2020
Float out prevents RULES from firing.

#18056 · opened Apr 14, 2020 by Andreas Klebinger Research needed Plow float-out rules simplifier
- 8
updated Apr 17, 2020