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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; RUN: foreach %s %t wasm-opt -all --dae-optimizing -S -o - | filecheck %s
;; The br_on_cast_fail is optimized away thanks to the refined type. The output still has some unoptimized code (an additional --dce pass would get rid of the drop-return pattern here), but that is not directly relevant to this test.
(module
;; CHECK: (type $0 (func (param (ref array)) (result i32)))
;; CHECK: (func $len (type $0) (param $0 (ref array)) (result i32)
;; CHECK-NEXT: (drop
;; CHECK-NEXT: (return
;; CHECK-NEXT: (array.len
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $len (param (ref eq)) (result i32)
(drop
(block $not_array (result (ref eq))
(return
(array.len
(br_on_cast_fail $not_array (ref eq) (ref array)
(local.get 0)
)
)
)
)
)
(i32.const -1)
)
;; CHECK: (func $optimize-after-refinement (type $0) (param $0 (ref array)) (result i32)
;; CHECK-NEXT: (call $len
;; CHECK-NEXT: (local.get $0)
;; CHECK-NEXT: )
;; CHECK-NEXT: )
(func $optimize-after-refinement (param (ref array)) (result i32)
(call $len
(local.get 0)
)
)
)
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