X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_middle%2Fsrc%2Fmir%2Fmono.rs;h=1e8d5f7eae87a8881edadb729794f43e43fc9a9e;hb=44065e4184de61d9d3b46ae53bcdbc5e8674ed6f;hp=15a24aa4ace512f1b453902ddca2e34d2033abab;hpb=4d5a2f3d81ed3d36bef505258149bcee1be1394b;p=rust.git

diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs
index 15a24aa4ace..1e8d5f7eae8 100644
--- a/compiler/rustc_middle/src/mir/mono.rs
+++ b/compiler/rustc_middle/src/mir/mono.rs
@@ -200,6 +200,15 @@ pub fn krate(&self) -> CrateNum {
             MonoItem::GlobalAsm(..) => LOCAL_CRATE,
         }
     }
+
+    /// Returns the item's `DefId`
+    pub fn def_id(&self) -> DefId {
+        match *self {
+            MonoItem::Fn(Instance { def, .. }) => def.def_id(),
+            MonoItem::Static(def_id) => def_id,
+            MonoItem::GlobalAsm(item_id) => item_id.owner_id.to_def_id(),
+        }
+    }
 }
 
 impl<'tcx> fmt::Display for MonoItem<'tcx> {