1697a6f044
The previous implementation of calling conventions was hacky and broken. This commit reworks lowerFnParamTy into iterateParamTypes which returns enum tags indicating how to handle each parameter. This is then used in the three places that matter: * lowering a function type to llvm type * converting function parameters to the canonical type representation (with respect to isByRef). * converting canonical type representation to function arguments at callsites (again with respect to isByRef). As a result, we are one step closer to the C ABI tests passing. Before this commit, attempting to build them crashed the compiler. I isolated the broken function and verified that it now is lowered correctly. I will keep working on this one piece at a time until all the C ABI tests pass, and then I will enable all of them in the CI.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
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The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.