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/* { dg-require-effective-target vect_simd_clones } */
/* { dg-additional-options "-fopenmp-simd" } */
#include "tree-vect.h"
int x[1024];
#pragma omp declare simd simdlen(4) notinbranch
__attribute__((noinline)) int
foo (int a, int b)
{
return a + b;
}
void __attribute__((noipa))
bar (void)
{
#pragma omp simd
for (int i = 0; i < 512; i++)
{
x[2*i+0] = foo (x[2*i+0], x[2*i+0]);
x[2*i+1] = foo (x[2*i+1], x[2*i+1]);
}
}
int
main ()
{
int i;
check_vect ();
#pragma GCC novector
for (i = 0; i < 1024; i++)
x[i] = i;
bar ();
#pragma GCC novector
for (i = 0; i < 1024; i++)
if (x[i] != i + i)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump "vectorizing stmts using SLP" "vect" } } */
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