<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
a	O
normalized	B-Application
loop	I-Application
(	O
sometimes	O
called	O
well-behaved	O
loop	O
)	O
,	O
is	O
a	O
loop	O
in	O
which	O
the	O
loop	O
variable	O
starts	O
at	O
0	O
(	O
or	O
any	O
constant	O
)	O
and	O
gets	O
incremented	O
by	O
one	O
at	O
every	O
iteration	O
until	O
the	O
exit	O
condition	O
is	O
met	O
.	O
</s>
<s>
Normalized	B-Application
loops	I-Application
are	O
very	O
important	O
for	O
compiler	O
theory	O
,	O
loop	B-Operating_System
dependence	I-Operating_System
analysis	I-Operating_System
as	O
they	O
simplify	O
the	O
data	B-Operating_System
dependence	I-Operating_System
analysis	O
.	O
</s>
<s>
In	O
this	O
case	O
,	O
it	O
makes	O
no	O
sense	O
to	O
leave	O
it	O
backwards	O
(	O
as	O
there	O
is	O
no	O
data	B-Operating_System
dependence	I-Operating_System
)	O
,	O
but	O
where	O
dependences	O
exist	O
,	O
caution	O
must	O
be	O
taken	O
to	O
revert	O
the	O
access	O
as	O
well	O
,	O
as	O
it	O
could	O
disrupt	O
the	O
order	O
of	O
assignments	O
.	O
</s>
