Enable GVN by default.

2023-05-21 10:33:03 +00:00
parent 08cc634f1a
commit a03c972816
35 changed files with 389 additions and 534 deletions
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -588,9 +588,9 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
            // destroy the SSA property. It should still happen before const-propagation, so the
            // latter pass will leverage the created opportunities.
            &separate_const_switch::SeparateConstSwitch,
-            &const_prop::ConstProp,
            &gvn::GVN,
            &simplify::SimplifyLocals::AfterGVN,
+            &const_prop::ConstProp,
            &dataflow_const_prop::DataflowConstProp,
            &const_debuginfo::ConstDebugInfo,
            &o1(simplify_branches::SimplifyConstCondition::AfterConstProp),