1 files changed, 63 insertions, 0 deletions
diff --git a/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff
new file mode 100644
index 000000000..22bdc35d6
--- /dev/null
+++ b/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff
@@ -0,0 +1,63 @@
+- // MIR for `simple` before DataflowConstProp
++ // MIR for `simple` after DataflowConstProp
+  
+  fn simple() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/enum.rs:+0:13: +0:13
+      let _1: E;                           // in scope 0 at $DIR/enum.rs:+1:9: +1:10
+      let mut _3: isize;                   // in scope 0 at $DIR/enum.rs:+2:23: +2:31
+      scope 1 {
+          debug e => _1;                   // in scope 1 at $DIR/enum.rs:+1:9: +1:10
+          let _2: i32;                     // in scope 1 at $DIR/enum.rs:+2:9: +2:10
+          let _4: i32;                     // in scope 1 at $DIR/enum.rs:+2:29: +2:30
+          let _5: i32;                     // in scope 1 at $DIR/enum.rs:+2:44: +2:45
+          scope 2 {
+              debug x => _2;               // in scope 2 at $DIR/enum.rs:+2:9: +2:10
+          }
+          scope 3 {
+              debug x => _4;               // in scope 3 at $DIR/enum.rs:+2:29: +2:30
+          }
+          scope 4 {
+              debug x => _5;               // in scope 4 at $DIR/enum.rs:+2:44: +2:45
+          }
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/enum.rs:+1:9: +1:10
+          _1 = E::V1(const 0_i32);         // scope 0 at $DIR/enum.rs:+1:13: +1:21
+          StorageLive(_2);                 // scope 1 at $DIR/enum.rs:+2:9: +2:10
+-         _3 = discriminant(_1);           // scope 1 at $DIR/enum.rs:+2:19: +2:20
+-         switchInt(move _3) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 1 at $DIR/enum.rs:+2:13: +2:20
++         _3 = const 0_isize;              // scope 1 at $DIR/enum.rs:+2:19: +2:20
++         switchInt(const 0_isize) -> [0: bb3, 1: bb1, otherwise: bb2]; // scope 1 at $DIR/enum.rs:+2:13: +2:20
+      }
+  
+      bb1: {
+          StorageLive(_5);                 // scope 1 at $DIR/enum.rs:+2:44: +2:45
+          _5 = ((_1 as V2).0: i32);        // scope 1 at $DIR/enum.rs:+2:44: +2:45
+          _2 = _5;                         // scope 4 at $DIR/enum.rs:+2:50: +2:51
+          StorageDead(_5);                 // scope 1 at $DIR/enum.rs:+2:50: +2:51
+          goto -> bb4;                     // scope 1 at $DIR/enum.rs:+2:50: +2:51
+      }
+  
+      bb2: {
+          unreachable;                     // scope 1 at $DIR/enum.rs:+2:19: +2:20
+      }
+  
+      bb3: {
+          StorageLive(_4);                 // scope 1 at $DIR/enum.rs:+2:29: +2:30
+-         _4 = ((_1 as V1).0: i32);        // scope 1 at $DIR/enum.rs:+2:29: +2:30
+-         _2 = _4;                         // scope 3 at $DIR/enum.rs:+2:35: +2:36
++         _4 = const 0_i32;                // scope 1 at $DIR/enum.rs:+2:29: +2:30
++         _2 = const 0_i32;                // scope 3 at $DIR/enum.rs:+2:35: +2:36
+          StorageDead(_4);                 // scope 1 at $DIR/enum.rs:+2:35: +2:36
+          goto -> bb4;                     // scope 1 at $DIR/enum.rs:+2:35: +2:36
+      }
+  
+      bb4: {
+          _0 = const ();                   // scope 0 at $DIR/enum.rs:+0:13: +3:2
+          StorageDead(_2);                 // scope 1 at $DIR/enum.rs:+3:1: +3:2
+          StorageDead(_1);                 // scope 0 at $DIR/enum.rs:+3:1: +3:2
+          return;                          // scope 0 at $DIR/enum.rs:+3:2: +3:2
+      }
+  }
+