/* { dg-require-effective-target vect_condition } */ #include "tree-vect.h" extern void abort (void) __attribute__ ((noreturn)); #define N 32 /* Simple condition reduction where the result is a negative of the induction. Will fail to vectorize to a simple case. */ signed int condition_reduction (signed int *a, signed int min_v) { signed int last = -1; for (signed int i = 0; i < N; i++) if (a[i] < min_v) last = -i; return last; } int main (void) { signed 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, 28, 29, 30, 31, 32 }; check_vect (); signed int ret = condition_reduction (a, 16); if (ret != -19) 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" 4 "vect" { target vect_fold_extract_last } } } */ /* { dg-final { scan-tree-dump-not "condition expression based on integer induction." "vect" } } */