1 files changed, 82 insertions, 1 deletions
diff --git a/test/lit/passes/global-refining.wast b/test/lit/passes/global-refining.wast
index 06af50bf1..980194c91 100644
--- a/test/lit/passes/global-refining.wast
+++ b/test/lit/passes/global-refining.wast
@@ -1,20 +1,28 @@
 ;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
-;; RUN: foreach %s %t wasm-opt --nominal --global-refining -all -S -o - | filecheck %s
+
+;; RUN: foreach %s %t wasm-opt --nominal --global-refining                -all -S -o - | filecheck %s
+;; RUN: foreach %s %t wasm-opt --nominal --global-refining --closed-world -all -S -o - | filecheck %s --check-prefix=CLOSD
 
 (module
   ;; Globals with no assignments aside from their initial values. The first is a
   ;; null, so we can optimize to a nullfuncref. The second is a ref.func which
   ;; lets us refine to the specific function type.
   ;; CHECK:      (type $foo_t (func))
+  ;; CLOSD:      (type $foo_t (func))
   (type $foo_t (func))
 
   ;; CHECK:      (global $func-null-init (mut nullfuncref) (ref.null nofunc))
+  ;; CLOSD:      (global $func-null-init (mut nullfuncref) (ref.null nofunc))
   (global $func-null-init (mut funcref) (ref.null $foo_t))
   ;; CHECK:      (global $func-func-init (mut (ref $foo_t)) (ref.func $foo))
+  ;; CLOSD:      (global $func-func-init (mut (ref $foo_t)) (ref.func $foo))
   (global $func-func-init (mut funcref) (ref.func $foo))
   ;; CHECK:      (func $foo (type $foo_t)
   ;; CHECK-NEXT:  (nop)
   ;; CHECK-NEXT: )
+  ;; CLOSD:      (func $foo (type $foo_t)
+  ;; CLOSD-NEXT:  (nop)
+  ;; CLOSD-NEXT: )
   (func $foo (type $foo_t))
 )
 
@@ -23,11 +31,14 @@
   ;; init will update the null to allow it to refine.
 
   ;; CHECK:      (type $foo_t (func))
+  ;; CLOSD:      (type $foo_t (func))
   (type $foo_t (func))
 
   ;; CHECK:      (global $func-null-init (mut nullfuncref) (ref.null nofunc))
+  ;; CLOSD:      (global $func-null-init (mut nullfuncref) (ref.null nofunc))
   (global $func-null-init (mut funcref) (ref.null $foo_t))
   ;; CHECK:      (global $func-func-init (mut (ref null $foo_t)) (ref.func $foo))
+  ;; CLOSD:      (global $func-func-init (mut (ref null $foo_t)) (ref.func $foo))
   (global $func-func-init (mut funcref) (ref.func $foo))
 
   ;; CHECK:      (func $foo (type $foo_t)
@@ -38,6 +49,14 @@
   ;; CHECK-NEXT:   (ref.null nofunc)
   ;; CHECK-NEXT:  )
   ;; CHECK-NEXT: )
+  ;; CLOSD:      (func $foo (type $foo_t)
+  ;; CLOSD-NEXT:  (global.set $func-null-init
+  ;; CLOSD-NEXT:   (ref.null nofunc)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $func-func-init
+  ;; CLOSD-NEXT:   (ref.null nofunc)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT: )
   (func $foo (type $foo_t)
    (global.set $func-null-init (ref.null func))
    (global.set $func-func-init (ref.null $foo_t))
@@ -51,8 +70,12 @@
   ;; CHECK:      (type $none_=>_none (func))
 
   ;; CHECK:      (global $func-null-init (mut (ref null $none_=>_none)) (ref.null nofunc))
+  ;; CLOSD:      (type $none_=>_none (func))
+
+  ;; CLOSD:      (global $func-null-init (mut (ref null $none_=>_none)) (ref.null nofunc))
   (global $func-null-init (mut funcref) (ref.null func))
   ;; CHECK:      (global $func-func-init (mut (ref $none_=>_none)) (ref.func $foo))
+  ;; CLOSD:      (global $func-func-init (mut (ref $none_=>_none)) (ref.func $foo))
   (global $func-func-init (mut funcref) (ref.func $foo))
 
   ;; CHECK:      (elem declare func $foo)
@@ -65,6 +88,16 @@
   ;; CHECK-NEXT:   (ref.func $foo)
   ;; CHECK-NEXT:  )
   ;; CHECK-NEXT: )
+  ;; CLOSD:      (elem declare func $foo)
+
+  ;; CLOSD:      (func $foo (type $none_=>_none)
+  ;; CLOSD-NEXT:  (global.set $func-null-init
+  ;; CLOSD-NEXT:   (ref.func $foo)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $func-func-init
+  ;; CLOSD-NEXT:   (ref.func $foo)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT: )
   (func $foo
    (global.set $func-null-init (ref.func $foo))
    (global.set $func-func-init (ref.func $foo))
@@ -78,10 +111,14 @@
   ;; CHECK:      (type $none_=>_none (func))
 
   ;; CHECK:      (type $struct (struct ))
+  ;; CLOSD:      (type $none_=>_none (func))
+
+  ;; CLOSD:      (type $struct (struct ))
   (type $struct (struct))
   (type $array (array i8))
 
   ;; CHECK:      (global $global (mut eqref) (ref.null none))
+  ;; CLOSD:      (global $global (mut eqref) (ref.null none))
   (global $global (mut anyref) (ref.null any))
 
   ;; CHECK:      (func $foo (type $none_=>_none)
@@ -103,6 +140,25 @@
   ;; CHECK-NEXT:   (ref.null none)
   ;; CHECK-NEXT:  )
   ;; CHECK-NEXT: )
+  ;; CLOSD:      (func $foo (type $none_=>_none)
+  ;; CLOSD-NEXT:  (global.set $global
+  ;; CLOSD-NEXT:   (i31.new
+  ;; CLOSD-NEXT:    (i32.const 0)
+  ;; CLOSD-NEXT:   )
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $global
+  ;; CLOSD-NEXT:   (struct.new_default $struct)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $global
+  ;; CLOSD-NEXT:   (ref.null none)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $global
+  ;; CLOSD-NEXT:   (ref.null none)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT:  (global.set $global
+  ;; CLOSD-NEXT:   (ref.null none)
+  ;; CLOSD-NEXT:  )
+  ;; CLOSD-NEXT: )
   (func $foo
    (global.set $global (i31.new (i32.const 0)))
    (global.set $global (struct.new_default $struct))
@@ -112,3 +168,28 @@
    (global.set $global (ref.null $array))
   )
 )
+
+;; We can refine here, but as it is an export we only do so in open world.
+(module
+  ;; CHECK:      (type $none_=>_none (func))
+
+  ;; CHECK:      (global $func-init (mut (ref $none_=>_none)) (ref.func $foo))
+  ;; CLOSD:      (type $none_=>_none (func))
+
+  ;; CLOSD:      (global $func-init (mut funcref) (ref.func $foo))
+  (global $func-init (mut funcref) (ref.func $foo))
+
+  ;; CHECK:      (export "global" (global $func-init))
+  ;; CLOSD:      (export "global" (global $func-init))
+  (export "global" (global $func-init))
+
+  ;; CHECK:      (func $foo (type $none_=>_none)
+  ;; CHECK-NEXT:  (nop)
+  ;; CHECK-NEXT: )
+  ;; CLOSD:      (func $foo (type $none_=>_none)
+  ;; CLOSD-NEXT:  (nop)
+  ;; CLOSD-NEXT: )
+  (func $foo
+    (nop)
+  )
+)