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(module (func))
(module
(func (export "if-without-result") (param i32) (param i32) (result i32)
(if
(i32.eq
(local.get 0)
(local.get 1)
)
(then (unreachable))
)
(local.get 0)
)
)
(assert_return (invoke "if-without-result" (i32.const 2) (i32.const 3)) (i32.const 2))
(module
(func (export "block") (param i32) (param i32) (result i32)
(block (result i32)
local.get 0
)
)
)
(assert_return (invoke "block" (i32.const 10) (i32.const 20)) (i32.const 10))
(module
(func (export "br_block") (param i32) (param i32) (result i32)
local.get 1
(block (result i32)
local.get 0
local.get 0
br 0
unreachable
)
i32.add
)
)
(assert_return (invoke "br_block" (i32.const 5) (i32.const 7)) (i32.const 12))
;; Tests discarding values on the value stack, while
;; carrying over the result using a conditional branch.
(module
(func (export "brif_block") (param i32) (param i32) (result i32)
local.get 1
(block (result i32)
local.get 0
local.get 0
br_if 0
unreachable
)
i32.add
)
)
(assert_return (invoke "brif_block" (i32.const 5) (i32.const 7)) (i32.const 12))
;; Tests that br_if keeps values in the case if the branch
;; hasn't been taken.
(module
(func (export "brif_block_passthru") (param i32) (param i32) (result i32)
(block (result i32)
local.get 1
local.get 0
br_if 0
local.get 1
i32.add
)
)
)
(assert_return (invoke "brif_block_passthru" (i32.const 0) (i32.const 3)) (i32.const 6))
(module
(func (export "i32.div_s") (param i32) (param i32) (result i32)
(i32.div_s (local.get 0) (local.get 1))
)
)
(module
(func (export "br_table") (param $i i32) (result i32)
(return
(block $2 (result i32)
(i32.add (i32.const 10)
(block $1 (result i32)
(i32.add (i32.const 100)
(block $0 (result i32)
(i32.add (i32.const 1000)
(block $default (result i32)
(br_table $0 $1 $2 $default
(i32.mul (i32.const 2) (local.get $i))
(i32.and (i32.const 3) (local.get $i))
)
)
)
)
)
)
)
)
)
)
)
(assert_return (invoke "br_table" (i32.const 0)) (i32.const 110))
(assert_return (invoke "br_table" (i32.const 1)) (i32.const 12))
(assert_return (invoke "br_table" (i32.const 2)) (i32.const 4))
(assert_return (invoke "br_table" (i32.const 3)) (i32.const 1116))
(assert_return (invoke "br_table" (i32.const 4)) (i32.const 118))
(assert_return (invoke "br_table" (i32.const 5)) (i32.const 20))
(assert_return (invoke "br_table" (i32.const 6)) (i32.const 12))
(assert_return (invoke "br_table" (i32.const 7)) (i32.const 1124))
(assert_return (invoke "br_table" (i32.const 8)) (i32.const 126))