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For expansion region support, we will want to be able to convert and check spans before creating a corresponding local file ID. If we create local file IDs eagerly, but some expansion turns out to have no successfully-converted spans, LLVM will complain about that expansion's file ID having no regions. |
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| .. | ||
| src | ||
| Cargo.toml | ||
| messages.ftl | ||
| README.md | ||
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.