Viewing file:  pr65947-4.c (1.14 KB) -rw-r--r--
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/* Disabling epilogues until we find a better way to deal with scans. */
/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
/* { dg-require-effective-target vect_condition } */
#include "tree-vect.h"
extern void abort (void) __attribute__ ((noreturn));
#define N 27
/* Condition reduction with no valid matches at runtime. */
int
condition_reduction (int *a, int min_v)
{
int last = N + 96;
for (int i = 0; i < N; i++)
if (a[i] > min_v)
last = i;
return last;
}
int
main (void)
{
int a[N] = {
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
21, 22, 23, 24, 25, 26, 27
};
check_vect ();
int ret = condition_reduction (a, 46);
/* loop should never have found a value. */
if (ret != N + 96)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "LOOP VECTORIZED" 2 "vect" } } */
/* { dg-final { scan-tree-dump-times "optimizing condition reduction with FOLD_EXTRACT_LAST" 2 "vect" { target vect_fold_extract_last } } } */
/* { dg-final { scan-tree-dump-times "condition expression based on integer induction." 2 "vect" { target { ! vect_fold_extract_last } } } } */
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