Rollup merge of #107125 - WaffleLapkin:expect_an_item_in_your_hir_by_the_next_morning...

[rust.git] / compiler / rustc_mir_transform / src / lib.rs

diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index fe3d5b1cce4589470872382c17aa82a06d77af5f..3d9137fa10253cc4934c3f2f8e4d0aa19be96315 100644 (file)
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -54,7 +54,9 @@
 mod const_goto;
 mod const_prop;
 mod const_prop_lint;
+mod copy_prop;
 mod coverage;
+mod ctfe_limit;
 mod dataflow_const_prop;
 mod dead_store_elimination;
 mod deaggregator;
@@ -86,6 +88,7 @@
 mod reveal_all;
 mod separate_const_switch;
 mod shim;
+mod ssa;
 // This pass is public to allow external drivers to perform MIR cleanup
 pub mod simplify;
 mod simplify_branches;
@@ -101,7 +104,6 @@
 
 pub fn provide(providers: &mut Providers) {
     check_unsafety::provide(providers);
-    check_packed_ref::provide(providers);
     coverage::query::provide(providers);
     ffi_unwind_calls::provide(providers);
     shim::provide(providers);
@@ -410,6 +412,8 @@ fn inner_mir_for_ctfe(tcx: TyCtxt<'_>, def: ty::WithOptConstParam<LocalDefId>) -
         }
     }
 
+    pm::run_passes(tcx, &mut body, &[&ctfe_limit::CtfeLimit], None);
+
     debug_assert!(!body.has_free_regions(), "Free regions in MIR for CTFE");
 
     body
@@ -426,7 +430,7 @@ fn mir_drops_elaborated_and_const_checked(
         return tcx.mir_drops_elaborated_and_const_checked(def);
     }
 
-    if tcx.generator_kind(def.did).is_some() {
+    if tcx.generator_kind(def.did).is_some() && tcx.sess.opts.unstable_opts.drop_tracking_mir {
         tcx.ensure().mir_generator_witnesses(def.did);
     }
     let mir_borrowck = tcx.mir_borrowck_opt_const_arg(def);
@@ -560,6 +564,7 @@ fn o1<T>(x: T) -> WithMinOptLevel<T> {
             &instcombine::InstCombine,
             &separate_const_switch::SeparateConstSwitch,
             &simplify::SimplifyLocals::new("before-const-prop"),
+            &copy_prop::CopyProp,
             //
             // FIXME(#70073): This pass is responsible for both optimization as well as some lints.
             &const_prop::ConstProp,