Improve our tests to check instances and visitor #51
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Converting this into draft since it depends on changes from rust-lang/rust#117688. |
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r? @ouz-a |
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lgtm! |
matthiaskrgr
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…er-errors Misc changes to StableMIR required to Kani use case. First, I wanted to say that I can split this review into multiple if it makes reviewing easier. I bundled them up, since I've been testing them together (See rust-lang/project-stable-mir#51 for the set of more thorough checks). So far, this review includes 3 commits: 1. Add more APIs and fix `Instance::body` - Add more APIs to retrieve information about types. - Add a few more instance resolution options. For the drop shim, we return None if the drop body is empty. Not sure it will be enough. - Make `Instance::body()` return an Option<Body>, since not every instance might have an available body. For example, foreign instances, virtual instances, dependencies. 2. Fix a bug on MIRVisitor - We were not iterating over all local variables due to a typo. 3. Add more SMIR internal impl and callback return value - In cases like Kani, we will invoke the rustc_internal run command directly for now. It would be handly to be able to have a callback that can return a value. - We also need extra methods to convert stable constructs into internal ones, so we can break down the transition into finer grain commits. - For the internal implementation of Region, we're always returning `ReErased` for now.
rust-timer
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Nov 17, 2023
Rollup merge of rust-lang#117688 - celinval:smir-kani-reach, r=compiler-errors Misc changes to StableMIR required to Kani use case. First, I wanted to say that I can split this review into multiple if it makes reviewing easier. I bundled them up, since I've been testing them together (See rust-lang/project-stable-mir#51 for the set of more thorough checks). So far, this review includes 3 commits: 1. Add more APIs and fix `Instance::body` - Add more APIs to retrieve information about types. - Add a few more instance resolution options. For the drop shim, we return None if the drop body is empty. Not sure it will be enough. - Make `Instance::body()` return an Option<Body>, since not every instance might have an available body. For example, foreign instances, virtual instances, dependencies. 2. Fix a bug on MIRVisitor - We were not iterating over all local variables due to a typo. 3. Add more SMIR internal impl and callback return value - In cases like Kani, we will invoke the rustc_internal run command directly for now. It would be handly to be able to have a callback that can return a value. - We also need extra methods to convert stable constructs into internal ones, so we can break down the transition into finer grain commits. - For the internal implementation of Region, we're always returning `ReErased` for now.
- Use "`" to print stable mir items
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Add new checks to verify instance body and visitor.
Also fix an issue with the rustc script when running with custom toolchain.