diff options
| -rw-r--r-- | compiler/rustc_mir_transform/src/lib.rs | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index a7e003a55b4..130688e2d53 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -480,8 +480,7 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { // FIXME(#70073): This pass is responsible for both optimization as well as some lints. &const_prop::ConstProp, // - // FIXME: The old pass manager ran this only at mir-opt-level >= 1, but - // const-prop runs unconditionally. Should this run unconditionally as well? + // Const-prop runs unconditionally, but doesn't mutate the MIR at mir-opt-level=0. &o1(simplify_branches::SimplifyConstCondition::new("after-const-prop")), &early_otherwise_branch::EarlyOtherwiseBranch, &simplify_comparison_integral::SimplifyComparisonIntegral, |