Enable SROA by at mir-opt level 3.

cjgillot · cjgillot · commit 779007da0643 · 2022-11-15T17:59:36.000Z
diff --git a/compiler/rustc_mir_transform/src/sroa.rs b/compiler/rustc_mir_transform/src/sroa.rs
@@ -10,7 +10,7 @@ pub struct ScalarReplacementOfAggregates;
 
 impl<'tcx> MirPass<'tcx> for ScalarReplacementOfAggregates {
     fn is_enabled(&self, sess: &rustc_session::Session) -> bool {
-        sess.mir_opt_level() >= 4
+        sess.mir_opt_level() >= 3
     }
 
     fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ pub struct ScalarReplacementOfAggregates;`
`10`	`10`
`11`	`11`	`impl<'tcx> MirPass<'tcx> for ScalarReplacementOfAggregates {`
`12`	`12`	`fn is_enabled(&self, sess: &rustc_session::Session) -> bool {`
`13`		`- sess.mir_opt_level() >= 4`
	`13`	`+ sess.mir_opt_level() >= 3`
`14`	`14`	`}`
`15`	`15`
`16`	`16`	`fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {`