test/lit/passes/coalesce-locals-gc-nn.wast

;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --coalesce-locals -all -S -o - | filecheck %s

(module
 ;; CHECK:      (func $nn-locals (type $0) (param $0 (ref any))
 ;; CHECK-NEXT:  (local $1 (tuple (ref any) (ref any)))
 ;; CHECK-NEXT:  (local $2 (tuple (ref any) (ref any)))
 ;; CHECK-NEXT:  (local.set $1
 ;; CHECK-NEXT:   (tuple.make 2
 ;; CHECK-NEXT:    (local.get $0)
 ;; CHECK-NEXT:    (local.get $0)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT:  (local.set $2
 ;; CHECK-NEXT:   (tuple.make 2
 ;; CHECK-NEXT:    (local.get $0)
 ;; CHECK-NEXT:    (local.get $0)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT:  (call $nn-locals
 ;; CHECK-NEXT:   (tuple.extract 2 0
 ;; CHECK-NEXT:    (local.get $1)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT:  (call $nn-locals
 ;; CHECK-NEXT:   (tuple.extract 2 0
 ;; CHECK-NEXT:    (local.get $2)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT:  (call $nn-locals
 ;; CHECK-NEXT:   (tuple.extract 2 1
 ;; CHECK-NEXT:    (local.get $1)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT:  (call $nn-locals
 ;; CHECK-NEXT:   (tuple.extract 2 1
 ;; CHECK-NEXT:    (local.get $2)
 ;; CHECK-NEXT:   )
 ;; CHECK-NEXT:  )
 ;; CHECK-NEXT: )
 (func $nn-locals (param $any (ref any))
  ;; When computing interferences, coalesce locals should not error on tuples
  ;; that contain non-nullable locals.
  (local $x (tuple (ref any) (ref any)))
  (local $y (tuple (ref any) (ref any)))
  ;; Set values into the tuple locals and use them.
  ;; Note that while the values are the same, we do not optimize them because
  ;; of current limitations on tuple handling in this pass, so we are mainly
  ;; testing for not crashing here.
  (local.set $x
   (tuple.make 2
    (local.get $any)
    (local.get $any)
   )
  )
  (local.set $y
   (tuple.make 2
    (local.get $any)
    (local.get $any)
   )
  )
  (call $nn-locals
   (tuple.extract 2 0
    (local.get $x)
   )
  )
  (call $nn-locals
   (tuple.extract 2 0
    (local.get $y)
   )
  )
  (call $nn-locals
   (tuple.extract 2 1
    (local.get $x)
   )
  )
  (call $nn-locals
   (tuple.extract 2 1
    (local.get $y)
   )
  )
 )
)