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bors a0df04c0f2 Auto merge of #110040 - ndrewxie:issue-84447-partial-1, r=lcnr,michaelwoerister 
Removed use of iteration through a HashMap/HashSet in rustc_incremental and replaced with IndexMap/IndexSet

This allows for the `#[allow(rustc::potential_query_instability)]` in rustc_incremental to be removed, moving towards fixing #84447 (although a LOT more modules have to be changed to fully resolve it). Only HashMaps/HashSets that are being iterated through have been modified (although many structs and traits outside of rustc_incremental had to be modified as well, as they had fields/methods that involved a HashMap/HashSet that would be iterated through)

I'm making a PR for just 1 module changed to test for performance regressions and such, for future changes I'll either edit this PR to reflect additional modules being converted, or batch multiple modules of changes together and make a PR for each group of modules.
 		2023-06-08 07:30:03 +00:00
..
src Auto merge of #110040 - ndrewxie:issue-84447-partial-1, r=lcnr,michaelwoerister 2023-06-08 07:30:03 +00:00
Cargo.toml use new c literals instead of cstr! macro 2023-05-31 19:40:24 +03:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00
messages.ftl Use translatable diagnostics in `rustc_const_eval` 2023-06-01 14:45:18 +00:00

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.