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Add support for custom MIR parsing

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This commit is contained in:
Jakob Degen 2022-08-03 04:30:13 -07:00
parent bc2504a83c
commit ba359d8a51
23 changed files with 920 additions and 40 deletions
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2
compiler/rustc_feature/src/active.rs
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@ -152,6 +152,8 @@ declare_features! (
(active, anonymous_lifetime_in_impl_trait, "1.63.0", None, None),
/// Allows identifying the `compiler_builtins` crate.
(active, compiler_builtins, "1.13.0", None, None),
/// Allows writing custom MIR
(active, custom_mir, "1.65.0", None, None),
/// Outputs useful `assert!` messages
(active, generic_assert, "1.63.0", None, None),
/// Allows using the `rust-intrinsic`'s "ABI".

4
compiler/rustc_feature/src/builtin_attrs.rs
View file

@ -810,6 +810,10 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
rustc_attr!(TEST, rustc_polymorphize_error, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_def_path, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_mir, Normal, template!(List: "arg1, arg2, ..."), DuplicatesOk),
gated!(
custom_mir, Normal, template!(List: r#"dialect = "...", phase = "...""#),
ErrorFollowing, "the `#[custom_mir]` attribute is just used for the Rust test suite",
),
rustc_attr!(TEST, rustc_dump_program_clauses, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_dump_env_program_clauses, Normal, template!(Word), WarnFollowing),
rustc_attr!(TEST, rustc_object_lifetime_default, Normal, template!(Word), WarnFollowing),