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/* { dg-do compile } */
/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev -fall-data-deps -fdump-tree-ddall" } */
void bar (int);
int foo (void)
{
int a;
int x;
int c[100][100];
/* loop_1 runs 39 times. */
for (a = 11; a < 50; a++)
{
/* Array access functions have to be analyzed. */
x = a + 5;
c[x][a+1] = c[x+2][a+3] + c[x-1][a+2];
}
bar (c[1][2]);
}
/* The analyzer has to detect the scalar functions:
a -> {11, +, 1}_1
x -> {16, +, 1}_1
x+2 -> {18, +, 1}_1
x-1 -> {15, +, 1}_1
*/
/* { dg-final { scan-tree-dump-times "nb_iterations 39" 1 "scev"} } */
/* { dg-final { diff-tree-dumps "ddall" } } */
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