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discard
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atomic_cmpxchg.wgsl.expected.wgsl
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@group
(
0
)
@binding
(
0
)
var
<
storage
,
read_write
>
a
:
atomic
<i32>
;
@fragment
fn foo
()
->
@location
(
0
)
i32
{
discard
;
var
x
=
0
;
let
result
=
atomicCompareExchangeWeak
(&(
a
),
0
,
1
);
if
(
result
.
exchanged
)
{
x
=
result
.
old_value
;
}
return
x
;
}