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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 57
  • Closed 37
  • All 94
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Weight Blocking
  • Simplfier will simplify stable unfoldings
    #19670 · opened Apr 08, 2021 by Ben Gamari   Pnormal Tbug simplifier
    • 3
    updated Apr 09, 2021
  • Remove aBSENT_(SUM_)ERROR_ID, come up with better boxed rubbish value instead
    #19595 · opened Mar 25, 2021 by Sebastian Graf   pointer tagging simplifier
    • 1
    updated Mar 26, 2021
  • Perhaps harmful interaction between the "ClassOp" rules and specialization.
    #19592 · opened Mar 25, 2021 by Andreas Klebinger   simplifier specialisation
    • 11
    updated Apr 02, 2021
  • Simplifier infelicities
    #19583 · opened Mar 24, 2021 by Simon Peyton Jones   Tbug simplifier
    • 1
    • 0
    updated Apr 07, 2021
  • Floating of unsafeEqualityProof
    #19542 · opened Mar 16, 2021 by Simon Peyton Jones   Pnormal Tbug runtime perf simplifier
    • 3
    updated Mar 23, 2021
  • Foldl' doesn't inline when partially applied
    #19534 · opened Mar 14, 2021 by Jaro Reinders   Pnormal Tbug runtime perf simplifier
    • 1
    • 2
    updated Apr 08, 2021
  • Non-existant scoping semantics for IMP-RULEs makes Simplifier build ill-scoped Core programs
    #19529 · opened Mar 12, 2021 by Sebastian Graf   Plow Tbug core lint rules simplifier
    • 5
    updated Apr 08, 2021
  • Less -fmax-simplifier-iterations in -O1
    #19524 · opened Mar 11, 2021 by Sebastian Graf   Ttask compiler perf newcomer simplifier
    • 1
    updated Apr 06, 2021
  • CoreLint lints all top-level bindings as recursive bindings
    #19516 · opened Mar 09, 2021 by Sebastian Graf   core lint needs triage simplifier
    • 1
    • 15
    updated Mar 12, 2021
  • Disabling worker/wrapper transformation per function
    #19276 · opened Jan 29, 2021 by Sylvain Henry   Pnormal Tfeature request simplifier
    • 7
    updated Feb 16, 2021
  • GHC doesn't optimise `()` constraint synonym
    #19275 · opened Jan 29, 2021 by Sylvain Henry   ConstraintKinds Tbug simplifier
    • 1
    • 6
    updated Feb 12, 2021
  • E-Graphs for representation of normalised refinement types in the pattern-match checker
    #19272 · opened Jan 28, 2021 by Sebastian Graf   Ttask pattern match warnings simplifier typechecker
    • 1
    updated Jan 29, 2021
  • INLINE can inhibit optimizations by disabling worker-wrapper transform
    #19251 · opened Jan 24, 2021 by jberryman   Arity and eta expansion Pnormal Tbug simplifier
    • 2
    updated Feb 04, 2021
  • Motivation for let/app invariant
    #19223 · opened Jan 15, 2021 by Sebastian Graf   Tfeature request core lint float-out simplifier
    • 6
    updated Mar 09, 2021
  • "Not shorting out" warnings when building the HpcParser
    #19199 · opened Jan 10, 2021 by Sebastian Graf   Plow Ttask simplifier
    • 1
    updated Jan 11, 2021
  • Optimization for binary masks
    #19166 · opened Jan 04, 2021 by Sylvain Henry   Tfeature request simplifier
    • 0
    updated Jan 07, 2021
  • Runaway inlining
    #19077 · opened Dec 16, 2020 by Neo   Pnormal Tbug compiler perf simplifier
    • 8
    updated Dec 31, 2020
  • Strange behavior when using -O
    #19053 · opened Dec 12, 2020 by Arthur Khashaev   Pnormal Tbug incorrect runtime result simplifier
    • 1
    • 2
    updated Dec 15, 2020
  • Join point CPR signature should be zapped after case-of-join
    #18824 · opened Oct 09, 2020 by Sebastian Graf   CPR analysis Pnormal Tbug join points simplifier
    • 1
    • 3
    updated Nov 09, 2020
  • Useless code for some empty cases
    #18772 · opened Sep 29, 2020 by David Feuer   Pnormal Tbug simplifier
    • 2
    updated Sep 30, 2020
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