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1689a5a531
Show files produced by `--emit foo` in json artifact notifications Right now it is possible to ask `rustc` to save some intermediate representation into one or more files with `--emit=foo`, but figuring out what exactly was produced is difficult. This pull request adds information about `llvm_ir` and `asm` intermediate files into notifications produced by `--json=artifacts`. Related discussion: https://internals.rust-lang.org/t/easier-access-to-files-generated-by-emit-foo/20477 Motivation - `cargo-show-asm` parses those intermediate files and presents them in a user friendly way, but right now I have to apply some dirty hacks. Hacks make behavior confusing: https://github.com/hintron/computer-enhance/issues/35 This pull request introduces a new behavior: now `rustc` will emit a new artifact notification for every artifact type user asked to `--emit`, for example for `--emit asm` those will include all the `.s` files. Most users won't notice this behavior, to be affected by it all of the following must hold: - user must use `rustc` binary directly (when `cargo` invokes `rustc` - it consumes artifact notifications and doesn't emit anything) - user must specify both `--emit xxx` and `--json artifacts` - user must refuse to handle unknown artifact types - user must disable incremental compilation (or deal with it better than cargo does, or use a workaround like `save-temps`) in order not to hit #88829 / #89149 |
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