gcc/testsuite/gcc.dg/tree-ssa/pr71078-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target c99_runtime } */
   3 /* { dg-options "-O2 -ffast-math -fdump-tree-forwprop-details" } */
   4
   5 #include <math.h>
   6
   7 float f1(float x)
   8 {
   9   float t1 = fabsf (x);
  10   float t2 = t1 / x;
  11   return t2;
  12 }
  13
  14 /* { dg-final { scan-tree-dump "__builtin_copysignf" "forwprop1" } } */