test/lit/passes/Oz.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 -Oz --all-features -S -o - | filecheck %s

(module
  (memory 100 100)
  ;; CHECK:      (type $0 (func (param i32 i32) (result i32)))

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

  ;; CHECK:      (type $2 (func (param i32 i32 i32 i32) (result i32)))

  ;; CHECK:      (type $3 (func (result v128)))

  ;; CHECK:      (memory $0 100 100)

  ;; CHECK:      (export "localcse" (func $basics))

  ;; CHECK:      (export "localcse-2" (func $8))

  ;; CHECK:      (export "propagate-sign-for-mul-i32-lhs-const-pot" (func $9))

  ;; CHECK:      (export "propagate-sign-for-mul-i32-smin" (func $10))

  ;; CHECK:      (export "eliminate-redundant-checks-1" (func $11))

  ;; CHECK:      (export "eliminate-redundant-checks-1a" (func $11))

  ;; CHECK:      (export "eliminate-redundant-checks-2" (func $12))

  ;; CHECK:      (export "eliminate-redundant-checks-2a" (func $12))

  ;; CHECK:      (export "eliminate-redundant-checks-skip-1" (func $13))

  ;; CHECK:      (export "eliminate-redundant-checks-skip-2" (func $14))

  ;; CHECK:      (export "precompute-simd" (func $precompute-simd))

  ;; CHECK:      (func $basics (type $0) (param $0 i32) (param $1 i32) (result i32)
  ;; CHECK-NEXT:  (i32.add
  ;; CHECK-NEXT:   (local.tee $0
  ;; CHECK-NEXT:    (i32.add
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:     (local.get $1)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $basics (export "localcse") (param $x i32) (param $y i32) (result i32) ;; -O3 does localcse
    (local $x2 i32)
    (local $y2 i32)
    (local.set $x2
      (i32.add (local.get $x) (local.get $y))
    )
    (local.set $y2
      (i32.add (local.get $x) (local.get $y))
    )
    (i32.add (local.get $x2) (local.get $y2))
  )
  ;; CHECK:      (func $8 (type $2) (param $0 i32) (param $1 i32) (param $2 i32) (param $3 i32) (result i32)
  ;; CHECK-NEXT:  (i32.store
  ;; CHECK-NEXT:   (local.tee $0
  ;; CHECK-NEXT:    (i32.add
  ;; CHECK-NEXT:     (local.get $1)
  ;; CHECK-NEXT:     (i32.const 4)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (i32.and
  ;; CHECK-NEXT:    (i32.load
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:    (i32.const -75)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.store
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (i32.or
  ;; CHECK-NEXT:    (i32.load
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:    (i32.const 8)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: )
  (func $8 (export "localcse-2") (param $var$0 i32)
    (param $var$1 i32)
    (param $var$2 i32)
    (param $var$3 i32)
    (result i32)
    (block $label$0 (result i32)
      (i32.store
        (local.tee $var$2
          (i32.add
            (local.get $var$1)
            (i32.const 4)
          )
        )
        (i32.and
          (i32.load
            (local.get $var$2)
          )
          (i32.xor
            (local.tee $var$2
              (i32.const 74)
            )
            (i32.const -1)
          )
        )
      )
      (i32.store
        (local.tee $var$1
          (i32.add
            (local.get $var$1)
            (i32.const 4)
          )
        )
        (i32.or
          (i32.load
            (local.get $var$1)
          )
          (i32.and
            (local.get $var$2)
            (i32.const 8)
          )
        )
      )
      (i32.const 0)
    )
  )

  ;; CHECK:      (func $9 (type $1) (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (i32.mul
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (i32.const -4)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $9 (export "propagate-sign-for-mul-i32-lhs-const-pot") (param $0 i32) (result i32)
    (i32.mul
      (i32.const 4)
      (i32.sub
        (i32.const 0)
        (local.get $0)
      )
    )
  )

  ;; CHECK:      (func $10 (type $1) (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (i32.shl
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (i32.const 31)
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT: )
  (func $10 (export "propagate-sign-for-mul-i32-smin") (param $0 i32) (result i32)
    (i32.mul
      (i32.sub
        (i32.const 0)
        (local.get $0)
      )
      (i32.const 0x80000000)
    )
  )

  ;; CHECK:      (func $11 (type $1) (param $0 i32) (result i32)
  ;; CHECK-NEXT:  (if
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (return
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: )
  (func $11 (export "eliminate-redundant-checks-1") (param $0 i32) (result i32)
    (if
      (local.get $0)
      (then
        (if
          (local.get $0)
          (then
            (return (local.get $0))
          )
        )
      )
    )
    (i32.const 0)
  )
  (func $11a (export "eliminate-redundant-checks-1a") (param $0 i32) (result i32)
    (if
      (select
        (local.get $0)
        (i32.const 0)
        (local.get $0)
      )
      (then
        (return (local.get $0))
      )
    )
    (i32.const 0)
  )
  ;; CHECK:      (func $12 (type $0) (param $0 i32) (param $1 i32) (result i32)
  ;; CHECK-NEXT:  (if
  ;; CHECK-NEXT:   (local.get $0)
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (return
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: )
  (func $12 (export "eliminate-redundant-checks-2") (param $0 i32) (param $1 i32) (result i32)
    (if
      (local.tee $1 (local.get $0))
      (then
        (if
          (local.get $1)
          (then
            (return (local.get $1))
          )
        )
      )
    )
    (i32.const 0)
  )
  (func $12a (export "eliminate-redundant-checks-2a") (param $0 i32) (param $1 i32) (result i32)
    (if
      (select
        (local.tee $1 (local.get $0))
        (i32.const 0)
        (local.get $1)
      )
      (then
        (return (local.get $1))
      )
    )
    (i32.const 0)
  )
  ;; CHECK:      (func $13 (type $0) (param $0 i32) (param $1 i32) (result i32)
  ;; CHECK-NEXT:  (if
  ;; CHECK-NEXT:   (select
  ;; CHECK-NEXT:    (local.get $1)
  ;; CHECK-NEXT:    (i32.const 0)
  ;; CHECK-NEXT:    (local.get $0)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (return
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: )
  (func $13 (export "eliminate-redundant-checks-skip-1") (param $0 i32) (param $1 i32) (result i32)
    (if
      (select
        (local.get $1)
        (i32.const 0)
        (local.tee $1 (local.get $0))
      )
      (then
        (return (local.get $1))
      )
    )
    (i32.const 0)
  )

  ;; CHECK:      (func $14 (type $0) (param $0 i32) (param $1 i32) (result i32)
  ;; CHECK-NEXT:  (if
  ;; CHECK-NEXT:   (select
  ;; CHECK-NEXT:    (i32.const 0)
  ;; CHECK-NEXT:    (local.get $1)
  ;; CHECK-NEXT:    (local.get $0)
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:   (then
  ;; CHECK-NEXT:    (return
  ;; CHECK-NEXT:     (local.get $0)
  ;; CHECK-NEXT:    )
  ;; CHECK-NEXT:   )
  ;; CHECK-NEXT:  )
  ;; CHECK-NEXT:  (i32.const 0)
  ;; CHECK-NEXT: )
  (func $14 (export "eliminate-redundant-checks-skip-2") (param $0 i32) (param $1 i32) (result i32)
    (if
      (select
        (i32.const 0)
        (local.get $1)
        (local.tee $1 (local.get $0))
      )
      (then
        (return (local.get $1))
      )
    )
    (i32.const 0)
  )

  ;; CHECK:      (func $precompute-simd (type $3) (result v128)
  ;; CHECK-NEXT:  (v128.const i32x4 0x00000000 0x00000000 0x00000000 0x00000000)
  ;; CHECK-NEXT: )
  (func $precompute-simd (export "precompute-simd") (result v128)
    (i32x4.splat
      (i32.const 0)
    )
  )
)