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Matthias Krüger
cbdfa9167f
llvm: Update `reliable_f16` configuration for LLVM22 Since yesterday, the LLVM `main` branch should have working `f16` on all platforms that Rust supports; this will be LLVM version 22, so update how `cfg(target_has_reliable_f16)` is set to reflect this. Within the rust-lang organization, this currently has no effect. The goal is to start catching problems as early as possible in external CI that runs top-of-tree rust against top-of-tree LLVM, and once testing for the rust-lang bump to LLVM 22 starts. Hopefully this will mean that we can fix any problems that show up before the bump actually happens, meaning `f16` will be about ready for stabilization at that point (with some considerations for the GCC patch at [1] propagating). References: * https://github.com/llvm/llvm-project/commit/919021b0df8c91417784bfd84a6ad4869a0d2206 * https://github.com/llvm/llvm-project/commit/054ee2f8706b582859fcf96d1771aa68c37d9e6a * https://github.com/llvm/llvm-project/commit/db26ce5c5572a1a54ce307c762689ab63e5c5485 * https://github.com/llvm/llvm-project/commit/549d7c4f35a99598a269004ee13b237d2565b5ec * https://github.com/llvm/llvm-project/commit/4903c6260cbd781881906007f9c82aceb71fd7c7 [1]: https://github.com/gcc-mirror/gcc/commit/8b6a18ecaf44553230b90bf28adfb9fe9c9d5ab9
The codegen crate contains the code to convert from MIR into LLVM IR,
and then from LLVM IR into machine code. In general it contains code
that runs towards the end of the compilation process.
For more information about how codegen works, see the rustc dev guide.