forked from WebAssembly/binaryen
/
optimize-instructions.wast
433 lines (433 loc) · 7.72 KB
/
optimize-instructions.wast
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(module
(memory 0)
(type $0 (func (param i32 i64)))
(func $f (type $0) (param $i1 i32) (param $i2 i64)
(if
(i32.eqz
(get_local $i1)
)
(drop
(i32.const 10)
)
)
(if
(i32.eqz
(get_local $i1)
)
(drop
(i32.const 11)
)
(drop
(i32.const 12)
)
)
(if
(i64.eqz
(get_local $i2)
)
(drop
(i32.const 11)
)
(drop
(i32.const 12)
)
)
(drop
(i32.eqz
(i32.gt_s
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.ge_s
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.lt_s
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.le_s
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.gt_u
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.ge_u
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.lt_u
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(i32.le_u
(i32.const 1)
(i32.const 2)
)
)
)
(drop
(i32.eqz
(f32.gt
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f32.ge
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f32.lt
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f32.le
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f64.gt
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eqz
(f64.ge
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eqz
(f64.lt
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eqz
(f64.le
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eqz
(f32.eq
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f32.ne
(f32.const 1)
(f32.const 2)
)
)
)
(drop
(i32.eqz
(f64.eq
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eqz
(f64.ne
(f64.const 1)
(f64.const 2)
)
)
)
(drop
(i32.eq
(i32.const 100)
(i32.const 0)
)
)
(drop
(i32.eq
(i32.const 0)
(i32.const 100)
)
)
(drop
(i32.eq
(i32.const 0)
(i32.const 0)
)
)
(if
(i32.eqz
(i32.eqz
(i32.const 123)
)
)
(nop)
)
(drop
(select
(i32.const 101)
(i32.const 102)
(i32.eqz
(get_local $i1)
)
)
)
(drop
(select
(tee_local $i1
(i32.const 103)
) ;; these conflict
(tee_local $i1
(i32.const 104)
)
(i32.eqz
(get_local $i1)
)
)
)
(drop
(select
(i32.const 0)
(i32.const 1)
(i32.eqz
(i32.eqz
(i32.const 2)
)
)
)
)
)
(func $load-store
(drop (i32.and (i32.load8_s (i32.const 0)) (i32.const 255)))
(drop (i32.and (i32.load8_u (i32.const 1)) (i32.const 255)))
(drop (i32.and (i32.load8_s (i32.const 2)) (i32.const 254)))
(drop (i32.and (i32.load8_u (i32.const 3)) (i32.const 1)))
(drop (i32.and (i32.load16_s (i32.const 4)) (i32.const 65535)))
(drop (i32.and (i32.load16_u (i32.const 5)) (i32.const 65535)))
(drop (i32.and (i32.load16_s (i32.const 6)) (i32.const 65534)))
(drop (i32.and (i32.load16_u (i32.const 7)) (i32.const 1)))
;;
(i32.store8 (i32.const 8) (i32.and (i32.const -1) (i32.const 255)))
(i32.store8 (i32.const 9) (i32.and (i32.const -2) (i32.const 254)))
(i32.store16 (i32.const 10) (i32.and (i32.const -3) (i32.const 65535)))
(i32.store16 (i32.const 11) (i32.and (i32.const -4) (i32.const 65534)))
;;
(i32.store8 (i32.const 11) (i32.wrap/i64 (i64.const 1)))
(i32.store16 (i32.const 11) (i32.wrap/i64 (i64.const 2)))
(i32.store (i32.const 11) (i32.wrap/i64 (i64.const 3)))
)
(func $and-neg1
(drop (i32.and (i32.const 100) (i32.const -1)))
(drop (i32.and (i32.const 100) (i32.const 1)))
)
(func $and-pos1
(drop (i32.and (i32.eqz (i32.const 1000)) (i32.const 1)))
(drop (i32.and (i32.const 1) (i32.eqz (i32.const 1000))))
(drop (i32.and (i32.const 100) (i32.const 1)))
(drop (i32.and (i32.lt_s (i32.const 2000) (i32.const 3000)) (i32.const 1)))
)
(func $canonicalize-binary
(drop (i32.and (unreachable) (i32.const 1))) ;; ok to reorder
(drop (i32.and (i32.const 1) (unreachable)))
(drop (i32.div_s (unreachable) (i32.const 1))) ;; not ok
(drop (i32.div_s (i32.const 1) (unreachable)))
)
(func $ne0 (result i32)
(if (i32.ne (call $ne0) (i32.const 0))
(nop)
)
(if (i32.ne (i32.const 0) (call $ne0))
(nop)
)
;; through an or
(if
(i32.or
(i32.ne (i32.const 0) (call $ne0))
(i32.ne (i32.const 0) (call $ne0))
)
(nop)
)
;; but not an and
(if
(i32.and
(i32.ne (i32.const 0) (call $ne0))
(i32.ne (i32.const 0) (call $ne0))
)
(nop)
)
(i32.const 1)
)
(func $recurse-bool
(if
(if i32
(i32.const 1)
(i32.ne (call $ne0) (i32.const 0))
(i32.ne (call $ne0) (i32.const 0))
)
(nop)
)
(if
(block i32
(nop)
(i32.ne (call $ne0) (i32.const 0))
)
(nop)
)
)
(func $load-off-2 "load-off-2" (param $0 i32) (result i32)
(i32.store offset=2
(i32.add
(i32.const 1)
(i32.const 3)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(i32.const 3)
(i32.const 1)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(get_local $0)
(i32.const 5)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(i32.const 7)
(get_local $0)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(i32.const -11) ;; do not fold this!
(get_local $0)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(get_local $0)
(i32.const -13) ;; do not fold this!
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(i32.const -15)
(i32.const 17)
)
(get_local $0)
)
(i32.store offset=2
(i32.add
(i32.const -21)
(i32.const 19)
)
(get_local $0)
)
(i32.store offset=2
(i32.const 23)
(get_local $0)
)
(i32.store offset=2
(i32.const -25)
(get_local $0)
)
(drop
(i32.load offset=2
(i32.add
(i32.const 2)
(i32.const 4)
)
)
)
(drop
(i32.load offset=2
(i32.add
(i32.const 4)
(i32.const 2)
)
)
)
(drop
(i32.load offset=2
(i32.add
(get_local $0)
(i32.const 6)
)
)
)
(drop
(i32.load offset=2
(i32.const 8)
)
)
(i32.load offset=2
(i32.add
(i32.const 10)
(get_local $0)
)
)
)
)