tests/ui/runtime/on-broken-pipe/with-rustc_main.rs: Not needed so remove related: https://github.com/rust-lang/rust/issues/145899#issuecomment-3705550673 print error from EnzymeWrapper::get_or_init(sysroot) as a note r? @ZuseZ4 e.g. 1. when libEnzyme not found ```shell $ rustc +stage1 -Z autodiff=Enable -C lto=fat src/main.rs error: autodiff backend not found in the sysroot: failed to find a `libEnzyme-21` folder in the sysroot candidates: * /Volumes/WD_BLACK_SN850X_HS_1TB/rust-lang/rust/build/aarch64-apple-darwin/stage1/lib | = note: it will be distributed via rustup in the future ``` 2. when could not load libEnzyme successfully ```shell rustc +stage1 -Z autodiff=Enable -C lto=fat src/main.rs error: failed to load our autodiff backend: DlOpen { source: "dlopen(/Volumes/WD_BLACK_SN850X_HS_1TB/rust-lang/rust/build/aarch64-apple-darwin/stage1/lib/rustlib/aarch64-apple-darwin/lib/libEnzyme-21.dylib, 0x0005): tried: \'/Volumes/WD_BLACK_SN850X_HS_1TB/rust-lang/rust/build/aarch64-apple-darwin/stage1/lib/rustlib/aarch64-apple-darwin/lib/libEnzyme-21.dylib\' (slice is not valid mach-o file), \'/System/Volumes/Preboot/Cryptexes/OS/Volumes/WD_BLACK_SN850X_HS_1TB/rust-lang/rust/build/aarch64-apple-darwin/stage1/lib/rustlib/aarch64-apple-darwin/lib/libEnzyme-21.dylib\' (no such file), \'/Volumes/WD_BLACK_SN850X_HS_1TB/rust-lang/rust/build/aarch64-apple-darwin/stage1/lib/rustlib/aarch64-apple-darwin/lib/libEnzyme-21.dylib\' (slice is not valid mach-o file)" } ``` |
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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.