List view

better LLVM struct layout for tagged unions (beating the C equivalent!)

optimization

Status: Open.

#2166 In ziglang/zig;

· andrewrk opened on Apr 2, 2019

optimization: when initializing struct fields, and some are undefined, sometimes initialize individual fields instead of memcpy

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

optimization

Status: Open.

#251 In ziglang/zig;

· andrewrk opened on Feb 7, 2017

avoid bounds check when slicing from [0..]

optimization

Status: Open.

#1839 In ziglang/zig;

· andrewrk opened on Dec 17, 2018

Arduino support?

arch-avr8-bit AVR8-bit AVR

Status: Open.

#3637 In ziglang/zig;

· clankill3r opened on Nov 9, 2019

man page?

docs

Status: Open.

#715 In ziglang/zig;

· jfo opened on Jan 23, 2018

teach LLVM to optimize across async functions

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

optimization

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Open.

#4974 In ziglang/zig;

· andrewrk opened on Apr 7, 2020

convince OpenBSD kernel developers to support an executable obtaining the path to its own binary

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

os-openbsdOpenBSDOpenBSD

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

Status: Open.

#6718 In ziglang/zig;

· andrewrk opened on Oct 18, 2020

miscellaneous performance enhancement ideas extracted from the zir-memory-layout branch

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

optimization

Status: Open.

#8404 In ziglang/zig;

· andrewrk opened on Apr 1, 2021

Using TBI and Address Math for detecting use-after-free in heap

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

Status: Open.

#9497 In ziglang/zig;

· Verdagon opened on Jul 31, 2021

Should zig ld embed code signatures for platforms other than macOS?

arch-aarch6464-bit Arm64-bit Arm

linking

os-iosiOS (iPhone OS and iPadOS)iOS (iPhone OS and iPadOS)

os-tvostvOStvOS

os-watchoswatchOSwatchOS

Status: Open.

#9567 In ziglang/zig;

· kubkon opened on Aug 15, 2021

Proposal: Portable bytecode backend and compiler as a library

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

Status: Open.

#6840 In ziglang/zig;

· 0syf3r opened on Oct 27, 2020

Generation of constant arrays with non-zero elements suboptimal

backend-llvmThe LLVM backend outputs an LLVM IR Module.The LLVM backend outputs an LLVM IR Module.

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

optimization

Status: Open.

#10807 In ziglang/zig;

· lerno opened on Feb 5, 2022

Create MOS Technology 6502 backend

backend-self-hosted

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

Status: Open.

#6502 In ziglang/zig;

· ikskuh opened on Oct 2, 2020

compiler-rt: omit symbols that are already provided by dynamic libc

compiler-rt

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

optimization

os-macosmacOSmacOS

Status: Open.

#11883 In ziglang/zig;

· andrewrk opened on Jun 18, 2022

compiler-rt: omit symbols that are not needed because of machine instructions

compiler-rt

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

optimization

Status: Open.

#11884 In ziglang/zig;

· andrewrk opened on Jun 18, 2022

elide safety checks sometimes for integer division by zero and integer division overflow

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

optimization

Status: Open.

#12281 In ziglang/zig;

· andrewrk opened on Jul 28, 2022

Suboptimal Shifting Codegen

backend-llvmThe LLVM backend outputs an LLVM IR Module.The LLVM backend outputs an LLVM IR Module.

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

optimization

Status: Open.

#12285 In ziglang/zig;

· presentfactory opened on Jul 29, 2022

C backend: generate tcc-compatible code

backend-cThe C backend (CBE) outputs C source code.The C backend (CBE) outputs C source code.

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

Status: Open.

#13576 In ziglang/zig;

· andrewrk opened on Nov 17, 2022

Stage 3 build fails after including system headers

downstreamAn issue with a third party project that uses Zig.An issue with a third party project that uses Zig.

Status: Open.

#13915 In ziglang/zig;

· NickHastings opened on Dec 12, 2022

the first line of .d files is ambiguous due to clang's output format

bugObserved behavior contradicts documented or intended behaviorObserved behavior contradicts documented or intended behavior

contributor friendlyThis issue is limited in scope and/or knowledge of Zig internals.This issue is limited in scope and/or knowledge of Zig internals.

upstreamAn issue with a third party project that Zig uses.An issue with a third party project that Zig uses.

zig ccZig as a drop-in C compiler featureZig as a drop-in C compiler feature

Status: Open.

#2046 In ziglang/zig;

· andrewrk opened on Mar 11, 2019

Unable to build zig from source on arch linux

downstreamAn issue with a third party project that uses Zig.An issue with a third party project that uses Zig.

Status: Open.

#14211 In ziglang/zig;

· Niedzwiedzw opened on Jan 5, 2023

Better error message when start is bigger than the end in for(start..end)

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#14701 In ziglang/zig;

· IntegratedQuantum opened on Feb 21, 2023

more hinting for array arguments not being const being the reason that a literal cannot be passed to a function

error messageThis issue points out an error message that is unhelpful and should be improved.This issue points out an error message that is unhelpful and should be improved.

Status: Open.

#16069 In ziglang/zig;

· ssteinbach opened on Jun 17, 2023

[MachO] error: unsupported linker arg: -no_pie

arch-x86_6464-bit x8664-bit x86

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

linking

os-macosmacOSmacOS

Status: Open.

#15438 In ziglang/zig;

· motiejus opened on Apr 24, 2023

Optimize tautological assignments to no-op

enhancementSolving this issue will likely involve adding new logic or components to the codebase.Solving this issue will likely involve adding new logic or components to the codebase.

frontendTokenization, parsing, AstGen, Sema, and Liveness.Tokenization, parsing, AstGen, Sema, and Liveness.

optimization

Status: Open.

#16448 In ziglang/zig;

· matklad opened on Jul 19, 2023