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4099ab1997
rust/compiler/rustc_codegen_llvm
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Zalathar 4099ab1997 coverage: Make expression simplification non-destructive 
Instead of modifying the accumulated expressions in-place, we now build a set
of expressions that are known to be zero, and then consult that set on the fly
when converting the expression data for FFI.

This will be necessary when moving mappings and expression data into function
coverage info, which can't be mutated during codegen.
2023-10-18 22:29:31 +11:00
..
src coverage: Make expression simplification non-destructive 2023-10-18 22:29:31 +11:00
Cargo.toml Upgrade Object and related deps 2023-08-14 23:05:45 +08:00
messages.ftl allow LTO on proc-macro crates with -Zdylib-lto 2023-09-23 17:08:43 +03:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

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.