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;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s -all -S -o - | filecheck %s
;; RUN: wasm-opt %s -all --roundtrip -S -o - | filecheck %s
;; Check that intermediate types in subtype chains are also included in the
;; output module, even if there are no other references to those intermediate
;; types.
(module
;; CHECK: (type $root (sub (struct)))
(type $root (sub (struct)))
;; CHECK: (type $trunk (sub $root (struct (field i32))))
(type $trunk (sub $root (struct i32)))
;; CHECK: (type $branch (sub $trunk (struct (field i32) (field i64))))
(type $branch (sub $trunk (struct i32 i64)))
;; CHECK: (type $twig (sub $branch (struct (field i32) (field i64) (field f32))))
(type $twig (sub $branch (struct i32 i64 f32)))
;; CHECK: (type $leaf (sub $twig (struct (field i32) (field i64) (field f32) (field f64))))
(type $leaf (sub $twig (struct i32 i64 f32 f64)))
;; CHECK: (func $make-root (type $5) (param $leaf (ref $leaf)) (result (ref null $root))
;; CHECK-NEXT: (local.get $leaf)
;; CHECK-NEXT: )
(func $make-root (param $leaf (ref $leaf)) (result (ref null $root))
(local.get $leaf)
)
)
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