Skip to content

[perf] skip normalizing param env if it is already normalized #130561

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 20, 2024
Merged

[perf] skip normalizing param env if it is already normalized #130561

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 3 additions & 0 deletions compiler/rustc_trait_selection/src/traits/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,9 @@ pub fn normalize_param_env_or_error<'tcx>(
debug!("normalize_param_env_or_error: elaborated-predicates={:?}", predicates);

let elaborated_env = ty::ParamEnv::new(tcx.mk_clauses(&predicates), unnormalized_env.reveal());
if !normalize::needs_normalization(&elaborated_env, unnormalized_env.reveal()) {
return elaborated_env;
}

// HACK: we are trying to normalize the param-env inside *itself*. The problem is that
// normalization expects its param-env to be already normalized, which means we have
Expand Down
Loading