gcc/testsuite/gcc.dg/pr48975.c

   1 /* PR tree-optimization/48975 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -ffast-math -fno-tree-slp-vectorize" } */
   4
   5 static int
   6 foo (int x)
   7 {
   8   return (x > 0) ? 0 : x + 1;
   9 }
  10
  11 void
  12 bar (unsigned int x)
  13 {
  14   int l = 1;
  15 lab:
  16   while (x)
  17     x = foo (x);
  18 }