1 files changed, 37 insertions, 0 deletions
diff --git a/tests/mir-opt/dataflow-const-prop/cast.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/cast.main.DataflowConstProp.diff
new file mode 100644
index 00000000000..bf9ab866938
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/cast.main.DataflowConstProp.diff
@@ -0,0 +1,37 @@
+- // MIR for `main` before DataflowConstProp
++ // MIR for `main` after DataflowConstProp
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/cast.rs:+0:11: +0:11
+      let _1: i32;                         // in scope 0 at $DIR/cast.rs:+1:9: +1:10
+      let mut _3: u8;                      // in scope 0 at $DIR/cast.rs:+2:13: +2:20
+      let mut _4: i32;                     // in scope 0 at $DIR/cast.rs:+2:13: +2:14
+      scope 1 {
+          debug a => _1;                   // in scope 1 at $DIR/cast.rs:+1:9: +1:10
+          let _2: u8;                      // in scope 1 at $DIR/cast.rs:+2:9: +2:10
+          scope 2 {
+              debug b => _2;               // in scope 2 at $DIR/cast.rs:+2:9: +2:10
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/cast.rs:+1:9: +1:10
+          _1 = const 257_i32;              // scope 0 at $DIR/cast.rs:+1:13: +1:16
+          StorageLive(_2);                 // scope 1 at $DIR/cast.rs:+2:9: +2:10
+          StorageLive(_3);                 // scope 1 at $DIR/cast.rs:+2:13: +2:20
+          StorageLive(_4);                 // scope 1 at $DIR/cast.rs:+2:13: +2:14
+-         _4 = _1;                         // scope 1 at $DIR/cast.rs:+2:13: +2:14
+-         _3 = move _4 as u8 (IntToInt);   // scope 1 at $DIR/cast.rs:+2:13: +2:20
++         _4 = const 257_i32;              // scope 1 at $DIR/cast.rs:+2:13: +2:14
++         _3 = const 1_u8;                 // scope 1 at $DIR/cast.rs:+2:13: +2:20
+          StorageDead(_4);                 // scope 1 at $DIR/cast.rs:+2:19: +2:20
+-         _2 = Add(move _3, const 1_u8);   // scope 1 at $DIR/cast.rs:+2:13: +2:24
++         _2 = const 2_u8;                 // scope 1 at $DIR/cast.rs:+2:13: +2:24
+          StorageDead(_3);                 // scope 1 at $DIR/cast.rs:+2:23: +2:24
+          _0 = const ();                   // scope 0 at $DIR/cast.rs:+0:11: +3:2
+          StorageDead(_2);                 // scope 1 at $DIR/cast.rs:+3:1: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/cast.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/cast.rs:+3:2: +3:2
+      }
+  }
+