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LLVM

The LLVM Core libraries provide a modern source- and target-independent optimizer, along with code generation support for many popular CPUs (as well as some less common ones!) These libraries are built around a well specified code representation known as the LLVM intermediate representation ("LLVM IR"). The LLVM Core libraries are well documented, and it is particularly easy to invent your own language (or port an existing compiler) to use LLVM as an optimizer and code generator.

homepage: https://llvm.org/

Available installations

LLVM version Supported CPU targets Supported GPU targets EESSI version Module
14.0.6 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2023.06 LLVM/14.0.6-GCCcore-12.3.0-llvmlite
15.0.5 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2023.06 LLVM/15.0.5-GCCcore-12.2.0
16.0.6 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2023.06 LLVM/16.0.6-GCCcore-12.3.0
16.0.6 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2023.06 LLVM/16.0.6-GCCcore-13.2.0
18.1.8 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2025.06 LLVM/18.1.8-GCCcore-13.3.0-minimal
20.1.7 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2025.06 LLVM/20.1.7-GCCcore-14.2.0
20.1.8 generic: aarch64, x86_64
Arm: a64fx, neoverse_n1, neoverse_v1, nvidia/grace
AMD: zen2, zen3, zen4
Intel: haswell, skylake_avx512, sapphirerapids, icelake, cascadelake
(none) 2025.06 LLVM/20.1.8-GCCcore-14.3.0