1 files changed, 40 insertions, 0 deletions
diff --git a/tests/mir-opt/pre-codegen/try_identity.old.PreCodegen.after.mir b/tests/mir-opt/pre-codegen/try_identity.old.PreCodegen.after.mir
new file mode 100644
index 000000000..e217d1994
--- /dev/null
+++ b/tests/mir-opt/pre-codegen/try_identity.old.PreCodegen.after.mir
@@ -0,0 +1,40 @@
+// MIR for `old` after PreCodegen
+
+fn old(_1: Result<T, E>) -> Result<T, E> {
+    debug x => _1;                       // in scope 0 at $DIR/try_identity.rs:+0:14: +0:15
+    let mut _0: std::result::Result<T, E>; // return place in scope 0 at $DIR/try_identity.rs:+0:34: +0:46
+    let mut _2: isize;                   // in scope 0 at $DIR/try_identity.rs:+3:13: +3:18
+    let _3: T;                           // in scope 0 at $DIR/try_identity.rs:+3:16: +3:17
+    let _4: E;                           // in scope 0 at $DIR/try_identity.rs:+4:17: +4:18
+    scope 1 {
+        debug v => _3;                   // in scope 1 at $DIR/try_identity.rs:+3:16: +3:17
+    }
+    scope 2 {
+        debug e => _4;                   // in scope 2 at $DIR/try_identity.rs:+4:17: +4:18
+    }
+
+    bb0: {
+        _2 = discriminant(_1);           // scope 0 at $DIR/try_identity.rs:+2:15: +2:16
+        switchInt(move _2) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 0 at $DIR/try_identity.rs:+2:9: +2:16
+    }
+
+    bb1: {
+        _4 = move ((_1 as Err).0: E);    // scope 0 at $DIR/try_identity.rs:+4:17: +4:18
+        _0 = Result::<T, E>::Err(move _4); // scope 2 at $DIR/try_identity.rs:+4:30: +4:36
+        goto -> bb4;                     // scope 0 at $DIR/try_identity.rs:+7:1: +7:2
+    }
+
+    bb2: {
+        unreachable;                     // scope 0 at $DIR/try_identity.rs:+2:15: +2:16
+    }
+
+    bb3: {
+        _3 = move ((_1 as Ok).0: T);     // scope 0 at $DIR/try_identity.rs:+3:16: +3:17
+        _0 = Result::<T, E>::Ok(move _3); // scope 0 at $DIR/try_identity.rs:+1:5: +6:6
+        goto -> bb4;                     // scope 0 at $DIR/try_identity.rs:+7:1: +7:2
+    }
+
+    bb4: {
+        return;                          // scope 0 at $DIR/try_identity.rs:+7:2: +7:2
+    }
+}