test/lit/passes/O.wast

;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; NOTE: This test was ported using port_passes_tests_to_lit.py and could be cleaned up.

;; RUN: foreach %s %t wasm-opt -O -S -o - | filecheck %s

(module
  ;; CHECK:      (type $0 (func (param i32) (result i32)))

  ;; CHECK:      (type $1 (func (result i32)))

  ;; CHECK:      (type $2 (func (param i64)))

  ;; CHECK:      (export "ret" (func $ret))

  ;; CHECK:      (export "waka" (func $if-0-unreachable-to-none))

  ;; CHECK:      (export "many-selects" (func $many-selects))

  ;; CHECK:      (export "end-if-else" (func $end-if-else))

  ;; CHECK:      (export "end-if-else-call" (func $end-if-else-call))

  ;; CHECK:      (func $ret (result i32)
  ;; CHECK-NEXT:  (drop
  ;; CHECK-NEXT:   (call $ret)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (if
  ;; CHECK-NEXT:   (call $ret)
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (return
  ;; CHECK-NEXT:     (i32.const 1)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 999)
  ;; CHECK-NEXT: )
  (func $ret (export "ret") (result i32)
    (block $out (result i32)
      (drop (call $ret))
      (if (call $ret)
        (then
          (return
            (return
              (i32.const 1)
            )
          )
        )
      )
      (drop (br_if $out (i32.const 999) (i32.const 1)))
      (unreachable)
    )
  )
  ;; CHECK:      (func $if-0-unreachable-to-none (param $0 i64)
  ;; CHECK-NEXT:  (unreachable)
  ;; CHECK-NEXT: )
  (func $if-0-unreachable-to-none (export "waka") (param $var$0 i64)
   (local $var$1 i64)
   (local $var$2 i64)
   (block $label$1
    (if
     (i32.const 0)
     (then
      (br $label$1)
     )
     (else
      (unreachable)
     )
    )
   )
  )
  ;; CHECK:      (func $many-selects (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (select
  ;; CHECK-NEXT:   (i32.const -1073741824)
  ;; CHECK-NEXT:   (select
  ;; CHECK-NEXT:    (i32.const 1073741823)
  ;; CHECK-NEXT:    (local.get $0)
  ;; CHECK-NEXT:    (i32.gt_s
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:     (i32.const 1073741823)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (i32.lt_s
  ;; CHECK-NEXT:    (local.get $0)
  ;; CHECK-NEXT:    (i32.const -1073741824)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $many-selects (export "many-selects") (param $0 i32) (result i32)
   (if
    (i32.lt_s
     (local.get $0)
     (i32.const -1073741824)
    )
    (then
     (local.set $0
      (i32.const -1073741824)
     )
    )
    (else
     (if
      (i32.gt_s
       (local.get $0)
       (i32.const 1073741823)
      )
      (then
       (local.set $0
        (i32.const 1073741823)
       )
      )
     )
    )
   )
   (local.get $0)
  )
  ;; CHECK:      (func $end-if-else (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (select
  ;; CHECK-NEXT:   (i32.const 1)
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $end-if-else (export "end-if-else") (param $x i32) (result i32)
    (if
      (local.get $x)
      (then
        (local.set $x
          (i32.const 1)
        )
      )
    )
    (local.get $x)
  )
  ;; CHECK:      (func $end-if-else-call (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (if (result i32)
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (call $ret)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (else
  ;; CHECK-NEXT:    (local.get $0)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $end-if-else-call (export "end-if-else-call") (param $x i32) (result i32)
    (if
      (local.get $x)
      (then
        (local.set $x
          (call $ret)
        )
      )
    )
    (local.get $x)
  )
)