1 files changed, 72 insertions, 0 deletions
diff --git a/test/lit/passes/type-ssa-shared.wast b/test/lit/passes/type-ssa-shared.wast
new file mode 100644
index 000000000..d6266f7d9
--- /dev/null
+++ b/test/lit/passes/type-ssa-shared.wast
@@ -0,0 +1,72 @@
+;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
+
+;; RUN: foreach %s %t wasm-opt --type-ssa -all -S -o - | filecheck %s
+
+;; TypeSSA should not fail on shared types.
+(module
+  ;; CHECK:      (type $struct (sub (shared (struct (field i32)))))
+  (type $struct (sub (shared (struct (field i32)))))
+
+  ;; CHECK:      (type $1 (func))
+
+  ;; CHECK:      (rec
+  ;; CHECK-NEXT:  (type $struct_1 (sub $struct (shared (struct (field i32)))))
+
+  ;; CHECK:       (type $struct_2 (sub $struct (shared (struct (field i32)))))
+
+  ;; CHECK:       (type $struct_3 (sub $struct (shared (struct (field i32)))))
+
+  ;; CHECK:       (type $struct_4 (sub $struct (shared (struct (field i32)))))
+
+  ;; CHECK:       (type $struct_5 (sub $struct (shared (struct (field i32)))))
+
+  ;; CHECK:      (global $g (ref $struct) (struct.new $struct_4
+  ;; CHECK-NEXT:  (i32.const 42)
+  ;; CHECK-NEXT: ))
+  (global $g (ref $struct) (struct.new $struct
+    (i32.const 42)
+  ))
+
+  ;; CHECK:      (global $h (ref $struct) (struct.new $struct_5
+  ;; CHECK-NEXT:  (i32.const 42)
+  ;; CHECK-NEXT: ))
+  (global $h (ref $struct) (struct.new $struct
+    (i32.const 42)
+  ))
+
+  ;; CHECK:      (func $foo (type $1)
+  ;; CHECK-NEXT:  (drop
+  ;; CHECK-NEXT:   (struct.new_default $struct_1)
+  ;; CHECK-NEXT:  )
+  ;; CHECK-NEXT:  (drop
+  ;; CHECK-NEXT:   (struct.new $struct_2
+  ;; CHECK-NEXT:    (i32.const 10)
+  ;; CHECK-NEXT:   )
+  ;; CHECK-NEXT:  )
+  ;; CHECK-NEXT: )
+  (func $foo
+    (drop
+      (struct.new_default $struct)
+    )
+    (drop
+      (struct.new $struct
+        (i32.const 10)
+      )
+    )
+  )
+
+  ;; CHECK:      (func $another-func (type $1)
+  ;; CHECK-NEXT:  (drop
+  ;; CHECK-NEXT:   (struct.new $struct_3
+  ;; CHECK-NEXT:    (i32.const 100)
+  ;; CHECK-NEXT:   )
+  ;; CHECK-NEXT:  )
+  ;; CHECK-NEXT: )
+  (func $another-func
+    (drop
+      (struct.new $struct
+        (i32.const 100)
+      )
+    )
+  )
+)