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/* { dg-do compile } */
/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
int foo (void);
int main (void)
{
int a = -100;
int b = 2;
int c = 3;
int d = 4;
while (d)
{
if (foo ())
a += b;
else
a += c;
b += 1;
c += 5;
/* Exercises the initial condition of A after the if-phi-node. */
d = d + a;
}
}
/* The analyzer has to detect the following evolution function:
b -> {2, +, 1}_1
c -> {3, +, 5}_1
a -> {-100, +, {[2, 3], +, [1, 5]}_1}_1
d -> {4, +, {[-98, -97], +, {[2, 3], +, [1, 5]}_1}_1}_1
*/
/* FIXME. */
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