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;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; RUN: env BINARYEN_PRINT_FULL=1 foreach %s %t wasm-opt --gsi -all --closed-world -S -o - | filecheck %s
;; Test that debug info is copied to the values we replace a struct.get with.
;; We use BINARYEN_PRINT_FULL=1 here because the select that contains the
;; values also gets that debug info, and normally we omit debug info of children
;; when it matches the parent (so we could not tell without
;; BINARYEN_PRINT_FULL=1 whether the children had the debug info or not).
;; (Another way to test this would be to run a followup optimization to remove
;; the select, but that would be more complex.)
(module
;; CHECK: (type $struct (struct (field i32)))
(type $struct (struct i32))
;; CHECK: (type $1 (func (param (ref null $struct))))
;; CHECK: (global $global1 (ref $struct) (struct.new $struct
;; CHECK-NEXT: (i32.const 42) (; i32 ;)
;; CHECK-NEXT: ))
(global $global1 (ref $struct) (struct.new $struct
(i32.const 42)
))
;; CHECK: (global $global2 (ref $struct) (struct.new $struct
;; CHECK-NEXT: (i32.const 1337) (; i32 ;)
;; CHECK-NEXT: ))
(global $global2 (ref $struct) (struct.new $struct
(i32.const 1337)
))
;; A non-reference global does not confuse us.
;; CHECK: (global $global-other i32 (i32.const 123456))
(global $global-other i32 (i32.const 123456))
;; CHECK: (func $test (type $1) (param $struct (ref null $struct))
;; CHECK-NEXT: ;;@ drop.c:10:1
;; CHECK-NEXT: (drop
;; CHECK-NEXT: ;;@ struct.c:20:2
;; CHECK-NEXT: (select
;; CHECK-NEXT: ;;@ struct.c:20:2
;; CHECK-NEXT: (i32.const 42) (; i32 ;)
;; CHECK-NEXT: ;;@ struct.c:20:2
;; CHECK-NEXT: (i32.const 1337) (; i32 ;)
;; CHECK-NEXT: ;;@
;; CHECK-NEXT: (ref.eq
;; CHECK-NEXT: ;;@
;; CHECK-NEXT: (ref.as_non_null
;; CHECK-NEXT: ;;@ local.c:30:3
;; CHECK-NEXT: (local.get $struct) (; struct null ;)
;; CHECK-NEXT: ) (; struct ;)
;; CHECK-NEXT: ;;@
;; CHECK-NEXT: (global.get $global1) (; struct ;)
;; CHECK-NEXT: ) (; i32 ;)
;; CHECK-NEXT: ) (; i32 ;)
;; CHECK-NEXT: ) (; none ;)
;; CHECK-NEXT: )
(func $test (param $struct (ref null $struct))
;; We can infer that this get can reference either $global1 or $global2,
;; and nothing else (aside from a null), and can emit a select between
;; those values. While doing so we copy the debug info as well to the
;; values in the select.
;;@ drop.c:10:1
(drop
;;@ struct.c:20:2
(struct.get $struct 0
;;@ local.c:30:3
(local.get $struct)
)
)
)
)
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