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# an example with reducible control
# flow graph that exposes poor
# handling of looping constructs
function $test {
@start
%ten =w copy 10
%dum =w copy 0 # dummy live-through temporary
@loop
%alt =w phi @start 0, @left %alt1, @right %alt1
%cnt =w phi @start 100, @left %cnt, @right %cnt1
%alt1 =w sub 1, %alt
jnz %alt1, @right, @left
@left
%x =w phi @loop 10, @left %x1
%x1 =w sub %x, 1
%z =w copy %x
jnz %z, @left, @loop
@right
%cnt1 =w sub %cnt, %ten
jnz %cnt1, @loop, @end
@end
%ret =w add %cnt, %dum
ret
}
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