Viewing file:  ifc-20040816-2.c (1.28 KB) -rw-r--r--
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/* { dg-do compile } */
/* { dg-options "-c -O2 -ftree-vectorize -fdump-tree-ifcvt-stats-blocks-details" { target *-*-* } } */
void foo(const int * __restrict__ zr_in,
const int * __restrict__ zi_in,
const int * __restrict__ zk_in,
int * __restrict__ zr_out,
int * __restrict__ zi_out,
int * __restrict__ zk_out,
int cr, int ci)
{
unsigned int pi;
int tmp_r, tmp_i, tmp_k;
#if __SIZEOF_INT__ >= 4
for (pi = 0; pi < (512)*(512); pi++) {
#else
for (pi = 0; pi < (32)*(32); pi++) {
#endif
int zr = zr_in[pi];
int zi = zi_in[pi];
int zk = zk_in[pi];
if (zr*zr + zi*zi >= 4) {
tmp_r = zr;
tmp_i = zi;
tmp_k = zk;
} else {
tmp_r = (zr*zr - zi*zi + cr);
tmp_i = (2 * zr * zi + ci);
tmp_k = zk + 1;
}
zr_out[pi] = tmp_r;
zi_out[pi] = tmp_i;
zk_out[pi] = tmp_k;
}
}
/* { dg-final { scan-tree-dump-times "Applying if-conversion" 1 "ifcvt" } } */
/* We insert into code
if (LOOP_VECTORIZED (...))
which is folded by vectorizer. Both outgoing edges must have probability
100% so the resulting profile match after folding. */
/* { dg-final { scan-tree-dump-times "Invalid sum of outgoing probabilities 200.0" 1 "ifcvt" } } */
/* { dg-final { scan-tree-dump-times "Invalid sum of incoming counts" 1 "ifcvt" } } */
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