gcc/testsuite/gcc.dg/pr70725.c

   1 /* PR tree-optimization/70725 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3" } */
   4 /* { dg-additional-options "-march=skylake-avx512" { target { i?86-*-* x86_64-*-* } } } */
   5
   6 extern short a;
   7 extern int b, d;
   8 extern int c[100];
   9 extern int e;
  10 extern int f;
  11
  12 void
  13 fn1 ()
  14 {
  15   for (; e < 2; e = e + 1)
  16     d = a;
  17   for (;;)
  18     for (int g = 0; g < 5; g = g + 1)
  19       for (int h = 0; h < 2; h = h + 1)
  20         for (int i = 0; i < 3; i = i + 1)
  21           c[f + i] = a && b;
  22 }