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optimize-instructions_optimize-level=2_ignore-implicit-traps.wast
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optimize-instructions_optimize-level=2_ignore-implicit-traps.wast
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(module
(type $0 (func (param i32 i32) (result i32)))
(memory $0 0)
(func $conditionals (type $0) (param $0 i32) (param $1 i32) (result i32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 i32)
(local.set $0
(i32.const 0)
)
(loop $while-in
(local.set $3
(i32.const 0)
)
(loop $while-in6
(local.set $6
(i32.add
(local.get $0)
(i32.const 1)
)
)
(local.set $0
(if (result i32)
(i32.or ;; this or is very expensive. we should compute one side, then see if we even need the other
(i32.eqz
(i32.rem_s
(i32.add
(i32.mul
(local.tee $7 ;; side effect, so we can't do this one
(i32.add
(local.get $0)
(i32.const 2)
)
)
(local.get $0)
)
(i32.const 17)
)
(i32.const 5)
)
)
(i32.eqz
(i32.rem_u
(i32.add
(i32.mul
(local.get $0)
(local.get $0)
)
(i32.const 11)
)
(i32.const 3)
)
)
)
(local.get $7)
(local.get $6)
)
)
(br_if $while-in6
(i32.lt_s
(local.tee $3
(i32.add
(local.get $3)
(i32.const 1)
)
)
(local.get $4)
)
)
)
(br_if $while-in
(i32.ne
(local.tee $1
(i32.add
(local.get $1)
(i32.const 1)
)
)
(i32.const 27000)
)
)
)
(return
(local.get $5)
)
)
(func $side-effect (type $0) (param $0 i32) (param $1 i32) (result i32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 i32)
(local.set $0
(i32.const 0)
)
(loop $while-in
(local.set $3
(i32.const 0)
)
(loop $while-in6
(local.set $6
(i32.add
(local.get $0)
(i32.const 1)
)
)
(local.set $0
(if (result i32)
(i32.or ;; this or is very expensive, but has a side effect on both sides
(i32.eqz
(i32.rem_s
(i32.add
(i32.mul
(local.tee $7
(i32.add
(local.get $0)
(i32.const 0)
)
)
(local.get $0)
)
(i32.const 17)
)
(i32.const 5)
)
)
(i32.eqz
(i32.rem_u
(i32.add
(i32.mul
(local.get $0)
(local.get $0)
)
(unreachable)
)
(i32.const 3)
)
)
)
(local.get $7)
(local.get $6)
)
)
(br_if $while-in6
(i32.lt_s
(local.tee $3
(i32.add
(local.get $3)
(i32.const 1)
)
)
(local.get $4)
)
)
)
(br_if $while-in
(i32.ne
(local.tee $1
(i32.add
(local.get $1)
(i32.const 1)
)
)
(i32.const 27000)
)
)
)
(return
(local.get $5)
)
)
(func $flip (type $0) (param $0 i32) (param $1 i32) (result i32)
(local $2 i32)
(local $3 i32)
(local $4 i32)
(local $5 i32)
(local $6 i32)
(local $7 i32)
(local.set $0
(i32.const 0)
)
(loop $while-in
(local.set $3
(i32.const 0)
)
(loop $while-in6
(local.set $6
(i32.add
(local.get $0)
(i32.const 1)
)
)
(local.set $0
(if (result i32)
(i32.or ;; this or is very expensive, and the first side has no side effect
(i32.eqz
(i32.rem_s
(i32.add
(i32.mul
(i32.eqz
(i32.add
(local.get $0)
(i32.const 0)
)
)
(local.get $0)
)
(i32.const 17)
)
(i32.const 5)
)
)
(i32.eqz
(i32.rem_u
(i32.add
(i32.mul
(local.get $0)
(local.get $0)
)
(i32.const 100)
)
(i32.const 3)
)
)
)
(local.get $7)
(local.get $6)
)
)
(br_if $while-in6
(i32.lt_s
(local.tee $3
(i32.add
(local.get $3)
(i32.const 1)
)
)
(local.get $4)
)
)
)
(br_if $while-in
(i32.ne
(local.tee $1
(i32.add
(local.get $1)
(i32.const 1)
)
)
(i32.const 27000)
)
)
)
(return
(local.get $5)
)
)
(func $invalidate-conditionalizeExpensiveOnBitwise (param $0 i32) (param $1 i32) (result i32)
(if
(i32.eqz
(i32.and
(i32.lt_s
(i32.and
(i32.shr_s
(i32.shl
(i32.add
(local.get $1) ;; conflict with tee
(i32.const -1)
)
(i32.const 24)
)
(i32.const 24)
)
(i32.const 255)
)
(i32.const 3)
)
(i32.ne
(local.tee $1
(i32.const 0)
)
(i32.const 0)
)
)
)
(return (local.get $0))
)
(return (local.get $1))
)
(func $invalidate-conditionalizeExpensiveOnBitwise-ok (param $0 i32) (param $1 i32) (result i32)
(if
(i32.eqz
(i32.and
(i32.lt_s
(i32.and
(i32.shr_s
(i32.shl
(i32.add
(local.get $0) ;; no conflict
(i32.const -1)
)
(i32.const 24)
)
(i32.const 24)
)
(i32.const 255)
)
(i32.const 3)
)
(i32.ne
(local.tee $1
(i32.const 0)
)
(i32.const 0)
)
)
)
(return (local.get $0))
)
(return (local.get $1))
)
(func $conditionalize-if-type-change (result f64)
(local $0 i32)
(drop
(loop $label$1 (result f32)
(block $label$2 (result f32)
(drop
(block $label$3 (result f32)
(br_if $label$1
(i32.or ;; this turns into an if, but then the if might not be unreachable
(f32.gt
(br_if $label$3
(f32.const 1)
(local.get $0)
)
(br $label$2
(f32.const 71)
)
)
(i64.eqz
(select
(i64.const 58)
(i64.const -982757)
(i64.eqz
(i64.const 0)
)
)
)
)
)
)
)
(f32.const 1)
)
)
)
(f64.const -nan:0xfffffffffffff)
)
)