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/* { dg-do compile } */
/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
int main(void)
{
int a = 5;
int b = 6;
int c = 20;
while (a <= 100)
{
int i;
a = b;
for (i = 0; i <= 12; i++)
{
a++;
}
b = b + c;
}
}
/* This example has been distilled from Pattern1 that cannot be
handled: "Big steps, small steps" from the ICS'01 paper "Monotonic
Evolution" by Peng Wu.
The analyzer has to detect the following evolution functions:
i -> {0, +, 1}_2
b -> {6, +, 20}_1
a -> {{6, +, 20}_1, +, 1}_2
*/
/* FIXME. */
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