diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/lit/passes/local-subtyping.wast | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/lit/passes/local-subtyping.wast b/test/lit/passes/local-subtyping.wast index c24126e1a..f655eba1e 100644 --- a/test/lit/passes/local-subtyping.wast +++ b/test/lit/passes/local-subtyping.wast @@ -284,4 +284,53 @@ ;; A get that is not reachable. We must still update its type. (local.get $temp) ) + + ;; CHECK: (func $incompatible-sets (result i32) + ;; CHECK-NEXT: (local $temp (ref null $none_=>_i32)) + ;; CHECK-NEXT: (local.set $temp + ;; CHECK-NEXT: (ref.func $incompatible-sets) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (unreachable) + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (local.tee $temp + ;; CHECK-NEXT: (block + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (ref.null func) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (unreachable) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (local.tee $temp + ;; CHECK-NEXT: (block + ;; CHECK-NEXT: (drop + ;; CHECK-NEXT: (ref.null func) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (unreachable) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (unreachable) + ;; CHECK-NEXT: ) + (func $incompatible-sets (result i32) + (local $temp funcref) + ;; Set a value that allows us to specialize the local type. + (local.set $temp + (ref.func $incompatible-sets) + ) + ;; Make all code unreachable from here. + (unreachable) + ;; In unreachable code, assign values that are not compatible with the more + ;; specific type we will optimize to. Those cannot be left as they are, and + ;; will be fixed up so that they validate. (All we need is validation, as + ;; their contents do not matter, given they are not reached.) + (drop + (local.tee $temp + (ref.null func) + ) + ) + (local.set $temp + (ref.null func) + ) + (unreachable) + ) ) |