gcc/testsuite/gcc.dg/lto/simd-function_0.c

   1 /* { dg-lto-do link } */
   2 /* { dg-require-effective-target vect_simd_clones } */
   3 /* { dg-require-effective-target avx2 } */
   4 /* { dg-lto-options { { -fopenmp-simd -O3 -ffast-math -mavx2 -flto -flto-partition=max } } } */
   5
   6 #define SIZE 4096
   7 float x[SIZE];
   8
   9
  10 #pragma omp declare simd
  11 float
  12 __attribute__ ((noinline))
  13 my_mul (float x, float y) {
  14   return x * y;
  15 }
  16
  17 __attribute__ ((noinline))
  18 int foo ()
  19 {
  20   int i = 0;
  21 #pragma omp simd safelen (16)
  22   for (i = 0; i < SIZE; i++)
  23     x[i] = my_mul ((float)i, 9932.3323);
  24   return (int)x[0];
  25 }
  26
  27 int main ()
  28 {
  29   int i = 0;
  30   for (i = 0; i < SIZE; i++)
  31     x[i] = my_mul ((float) i, 9932.3323);
  32   foo ();
  33   return (int)x[0];
  34 }
  35