Give the inliner some hints

oli-obk · oli-obk · commit 72f144de2424 · 2022-05-12T11:29:01.000Z
diff --git a/compiler/rustc_middle/src/traits/mod.rs b/compiler/rustc_middle/src/traits/mod.rs
@@ -133,6 +133,7 @@ impl<'tcx> ObligationCause<'tcx> {
         ObligationCause::dummy_with_span(DUMMY_SP)
     }
 
+    #[inline(always)]
     pub fn dummy_with_span(span: Span) -> ObligationCause<'tcx> {
         ObligationCause { span, body_id: hir::CRATE_HIR_ID, code: Default::default() }
     }
@@ -203,6 +204,7 @@ pub struct InternedObligationCauseCode<'tcx> {
 }
 
 impl<'tcx> From<ObligationCauseCode<'tcx>> for InternedObligationCauseCode<'tcx> {
+    #[inline(always)]
     fn from(code: ObligationCauseCode<'tcx>) -> Self {
         Self { code: if code == MISC_OBLIGATION_CAUSE_CODE { None } else { Some(Lrc::new(code)) } }
     }

Original file line number	Diff line number	Diff line change
`@@ -133,6 +133,7 @@ impl<'tcx> ObligationCause<'tcx> {`
`133`	`133`	`ObligationCause::dummy_with_span(DUMMY_SP)`
`134`	`134`	`}`
`135`	`135`
	`136`	`+ #[inline(always)]`
`136`	`137`	`pub fn dummy_with_span(span: Span) -> ObligationCause<'tcx> {`
`137`	`138`	`ObligationCause { span, body_id: hir::CRATE_HIR_ID, code: Default::default() }`
`138`	`139`	`}`
`@@ -203,6 +204,7 @@ pub struct InternedObligationCauseCode<'tcx> {`
`203`	`204`	`}`
`204`	`205`
`205`	`206`	`impl<'tcx> From<ObligationCauseCode<'tcx>> for InternedObligationCauseCode<'tcx> {`
	`207`	`+ #[inline(always)]`
`206`	`208`	`fn from(code: ObligationCauseCode<'tcx>) -> Self {`
`207`	`209`	`Self { code: if code == MISC_OBLIGATION_CAUSE_CODE { None } else { Some(Lrc::new(code)) } }`
`208`	`210`	`}`