Files
rust/compiler/rustc_codegen_llvm
Yukang 9445be9bf5 Rollup merge of #152935 - folkertdev:c-variadic-disallow, r=tgross35
c-variadic: error when we can't guarantee that the backend does the right thing

tracking issue: https://github.com/rust-lang/rust/issues/44930
r? workingjubilee

as discussed in [#t-lang > stabilizing `c_variadic`](https://rust-lang.zulipchat.com/#narrow/channel/213817-t-lang/topic/stabilizing.20.60c_variadic.60/with/574691397), display an error when we can't guarantee that the codegen backend (only LLVM is supported at the moment) does the right thing.
2026-04-01 10:43:55 +08:00
..

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.