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LLVM trunk nightly build failure

llvm-trunkIssues from Nightly Linux tests / LLVM trunk jobIssues from Nightly Linux tests / LLVM trunk job

Status: Open.

#3700 In ispc/ispc;

· github-actions opened on Jan 15, 2026

<code>constexpr</code> design proposal

Status: Open.

#3697 In ispc/ispc;

· dbabokin opened on Jan 15, 2026

Apple Silicon (at least M4) performance regression since ISPC 1.26

PerformanceAll issues related to performance/code generationAll issues related to performance/code generation

Status: Open.

Bug

#3688 In ispc/ispc;

· MarijnS95 opened on Jan 7, 2026

Expose the family of avx10.2nvl targets corresponding to Novalake HW

Features

Status: Open.

Enhancement

#3685 In ispc/ispc;

· aneshlya opened on Jan 6, 2026

Expose AMX Intrinsics as ISPC Standard Library Functions

Features

Status: Open.

Enhancement

#3683 In ispc/ispc;

· aneshlya opened on Jan 6, 2026

[CI] The jobs are spontaneously failing on vnni tests

CI / GitHub ActionsAll issues involving build automation and GitHub actions.All issues involving build automation and GitHub actions.

Status: Open.

Task

#3682 In ispc/ispc;

· aneshlya opened on Jan 6, 2026

[CI] Some of the jobs are failing on release branches

CI / GitHub ActionsAll issues involving build automation and GitHub actions.All issues involving build automation and GitHub actions.

Status: Open.

Task

#3681 In ispc/ispc;

· aneshlya opened on Jan 6, 2026

Inefficient codegen for varying popcnt on AVX2

PerformanceAll issues related to performance/code generationAll issues related to performance/code generation

Status: Open.

Enhancement

#3676 In ispc/ispc;

· aneshlya opened on Dec 19, 2025

Switch to LLVM 21 by default

Building CompilerIssues with build scripts & building the compiler on Windows and LinuxIssues with build scripts & building the compiler on Windows and Linux

Status: Open.

Task

#3667 In ispc/ispc;

· aneshlya opened on Dec 10, 2025

<code>-macosx_version_min has been renamed to -macos_version_min</code> warning

Status: Open.

#3655 In ispc/ispc;

· dbabokin opened on Dec 2, 2025

Performance regression (~20%) due to LLVM optimization removal in versions after 18.1

Status: Open.

#3649 In ispc/ispc;

· ivankelarev opened on Nov 25, 2025

Consider reusing ispc build across workflows

CI / GitHub ActionsAll issues involving build automation and GitHub actions.All issues involving build automation and GitHub actions.

Status: Open.

Task

#3566 In ispc/ispc;

· aneshlya opened on Sep 16, 2025