Merge from rustc

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff b/tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff
new file mode 100644
index 00000000000..04ba8dd8e4d
--- /dev/null
+++ b/tests/mir-opt/instsimplify_duplicate_switch_targets.assert_zero.InstSimplify.diff
@@ -0,0 +1,21 @@
+- // MIR for `assert_zero` before InstSimplify
++ // MIR for `assert_zero` after InstSimplify
+  
+  fn assert_zero(_1: u8) -> u8 {
+      let mut _0: u8;                      // return place in scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+0:37: +0:39
+  
+      bb0: {
+-         switchInt(_1) -> [0: bb2, 1: bb1, otherwise: bb1]; // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+3:13: +7:14
++         switchInt(_1) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+3:13: +7:14
+      }
+  
+      bb1: {
+          unreachable;                     // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+10:13: +10:26
+      }
+  
+      bb2: {
+          _0 = _1;                         // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+13:13: +13:20
+          return;                          // scope 0 at $DIR/instsimplify_duplicate_switch_targets.rs:+14:13: +14:21
+      }
+  }
+