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/* { dg-do compile } */
/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details -fall-data-deps -fdump-tree-ddall" } */
void bar (int);
#define N 100
#define NPad 10
#define M 32
void foo ()
{
short coefs[2*M];
short input[2*N];
short output[2*N];
int sum_real, sum_imag;
int i,j,k;
k = NPad;
for (i = 0; i < N; i++)
{
sum_real = 0;
sum_imag = 0;
for (j = 0; j < M; j++)
{
sum_real +=
input[2*k-2*j+1]*coefs[2*j+1] - input[2*k-2*j]*coefs[2*j];
sum_imag +=
input[2*k-2*j]*coefs[2*j+1] + input[2*k-2*j+1]*coefs[2*j];
}
output[2*i+1] = sum_imag;
output[2*i] = sum_real;
k++;
}
bar (sum_imag);
}
/* The following evolution functions have to be detected:
i -> {0, +, 1}_1
j -> {0, +, 1}_2
*/
/* { dg-final { diff-tree-dumps "ddall" } } */
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