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rse.wast
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rse.wast
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(module
(func $basic (param $x i32) (param $y f64)
(local $a f32)
(local $b i64)
(local.set $x (i32.const 0))
(local.set $y (f64.const 0))
(local.set $a (f32.const 0))
(local.set $b (i64.const 0))
)
(func $later-param-use (param $x i32)
(local.set $x (i32.const 0))
(local.set $x (i32.const 0))
)
(func $diff-value (param $x i32)
(local $a i32)
(local.set $x (i32.const 0))
(local.set $x (i32.const 1))
(local.set $x (i32.const 1))
(local.set $a (i32.const 1))
(local.set $a (i32.const 1))
(local.set $a (i32.const 0))
)
(func $unreach
(local $a i32)
(block $x
(local.set $a (i32.const 0))
(local.set $a (i32.const 1))
(local.set $a (i32.const 1))
(br $x)
(local.set $a (i32.const 1)) ;; ignore all these
(local.set $a (i32.const 2))
(local.set $a (i32.const 2))
)
)
(func $loop
(local $a i32)
(local $b i32)
(loop $x
(local.set $a (i32.const 0))
(local.set $a (i32.const 1))
(br_if $x (i32.const 1))
)
(block $y
(local.set $b (i32.const 0))
(local.set $b (i32.const 1))
(br $y)
)
(local.set $b (i32.const 1))
)
(func $if
(local $x i32)
(if (local.tee $x (i32.const 0))
(local.set $x (i32.const 1))
(local.set $x (i32.const 1))
)
(local.set $x (i32.const 1))
)
(func $if2
(local $x i32)
(if (local.tee $x (i32.const 1))
(local.set $x (i32.const 1))
(local.set $x (i32.const 1))
)
(local.set $x (i32.const 1))
)
(func $if3
(local $x i32)
(if (local.tee $x (i32.const 1))
(local.set $x (i32.const 1))
(local.set $x (i32.const 2))
)
(local.set $x (i32.const 1))
)
(func $copy
(local $x i32)
(local $y i32)
(local.set $x (i32.const 1))
(local.set $y (local.get $x))
(local.set $y (i32.const 1))
(local.set $x (i32.const 2))
(if (i32.const 1) (nop) (nop)) ;; control flow
(local.set $y (local.get $x))
(local.set $y (i32.const 2))
(if (i32.const 1) (nop) (nop)) ;; control flow
(local.set $y (i32.const 2))
;; flip
(local.set $x (i32.const 3))
(local.set $y (i32.const 3))
(local.set $y (local.get $x)) ;; do this last
)
(func $param-unique
(param $x i32)
(local $a i32)
(local.set $a (local.get $x))
(local.set $a (local.get $x))
(local.set $x (i32.eqz (i32.const 9999)))
(local.set $a (local.get $x))
(local.set $a (local.get $x))
)
(func $set-unique
(local $x i32)
(local $y i32)
(local.set $x (i32.eqz (i32.const 123)))
(local.set $y (local.get $x))
(local.set $y (local.get $x))
(local.set $x (i32.eqz (i32.const 456)))
(local.set $y (local.get $x))
(local.set $y (local.get $x))
(local.set $x (i32.eqz (i32.const 789)))
(if (i32.const 1) (nop) (nop)) ;; control flow
(local.set $y (local.get $x))
(local.set $y (local.get $x))
(local.set $x (i32.eqz (i32.const 1000)))
(local.set $y (local.get $x))
(if (i32.const 1) (nop) (nop)) ;; control flow
(local.set $y (local.get $x))
)
(func $identical_complex (param $x i32)
(local $y i32)
(local.set $y (local.get $x))
(local.set $y (local.get $x))
(local.set $y (local.get $x))
(local.set $x (local.get $x))
(local.set $y (local.get $y))
(local.set $x (local.get $y))
)
(func $merge
(local $x i32)
(if (i32.const 1)
(local.set $x (i32.const 1))
(local.set $x (i32.const 1))
)
(local.set $x (i32.const 1))
(local.set $x (i32.const 2))
(loop $loop
(local.set $x (i32.const 2))
(local.set $x (i32.const 3))
(local.set $x (i32.const 2))
(br_if $loop (i32.const 2))
)
(local.set $x (i32.const 2))
)
(func $one-arm
(param $1 i32)
(param $3 i32)
(local.set $1
(local.get $3)
)
(if
(i32.const 1)
(nop)
(local.set $3
(local.get $1)
)
)
)
(func $one-arm2
(param $1 i32)
(param $3 i32)
(local.set $1
(local.get $3)
)
(if
(i32.const 1)
(local.set $3
(local.get $1)
)
)
)
(func $many-merges
(local $0 i32)
(local $1 i32)
(block $block
(br_if $block
(i32.const 0)
)
(loop $loop
(local.set $1
(local.get $0)
)
(local.set $0
(i32.const 99)
)
(br_if $loop
(i32.const 1)
)
)
)
(local.set $0 ;; make them equal
(local.get $1)
)
(if
(i32.const 0)
(local.set $1 ;; we can drop this
(local.get $0)
)
)
)
(func $fuzz
(local $x i32)
(loop $label$4
(block $label$5
(if
(i32.const 1)
(block
(local.set $x
(i32.const 203)
)
(br $label$5)
)
)
(br_if $label$4
(i32.const 2)
)
)
)
(loop $label$7
(if
(if (result i32)
(i32.const 3)
(i32.const 4)
(i32.const 5)
)
(br $label$7)
)
)
)
(func $fuzz2
(local $var$1 i32)
(if
(i32.const 0)
(if
(i32.const 1)
(local.set $var$1
(i32.const 2)
)
)
)
(loop $label$10
(block $label$11
(if
(i32.const 5)
(br_if $label$11
(i32.const 6)
)
)
(br $label$10)
)
)
)
(func $fuzz-nan
(local $0 f64)
(local $1 f64)
(block $block
(br_if $block
(i32.const 0)
)
(loop $loop
(local.set $1
(local.get $0)
)
(local.set $0
(f64.const -nan:0xfffffffffff87)
)
(br_if $loop
(i32.const 1)
)
)
)
(local.set $0 ;; make them equal
(local.get $1)
)
(if
(i32.const 0)
(local.set $1 ;; we can drop this
(local.get $0)
)
)
)
)