mlir-sys 230.0.2

Rust bindings to the MLIR C API.
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mlir-sys

GitHub Action Crate License

Rust bindings to the MLIR C API.

Versioning

Starting with LLVM 21, this crate follows a versioning scheme similar to llvm-sys. The crate version is the LLVM version multiplied by 10 with a patch version:

  • mlir-sys 230.0.x is compatible with LLVM/MLIR 23.x.x
  • Previous versions (0.x.x) used a different versioning scheme

Install

cargo add mlir-sys

This crate searches an llvm-config command on build and uses it to determine build configurations related to LLVM and MLIR. You can also use a MLIR_SYS_230_PREFIX environment variable to specify a custom directory of LLVM installation.

The C API bindings are automatically generated at build time by discovering all MLIR C headers from the LLVM installation. This means the bindings will match whatever headers your LLVM build provides, even if it includes custom or out-of-tree dialects.

Using MLIR from main

To build against MLIR built from the main branch (or any non-release version), enable the no-version-check feature to skip the LLVM version validation:

cargo add mlir-sys --features no-version-check

License

MIT