gcc/testsuite/gcc.dg/pr15784-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fdump-tree-gimple -ffast-math" } */
   3 /* Test for folding abs(x) where appropriate.  */
   4 #define abs(x) x > 0 ? x : -x
   5 extern double fabs (double);
   6
   7 int a (float x) {
   8         return fabs(x) >= 0.0;
   9 }
  10
  11 /* { dg-final { scan-tree-dump-times "ABS_EXPR" 0 "gimple" } } */
  12 /* { dg-final { cleanup-tree-dump "gimple" } } */