gcc/testsuite/gcc.dg/gimplefe-28.c

   1 /* { dg-do compile { target sqrt_insn } } */
   2 /* { dg-options "-fgimple -O2" } */
   3 /* { dg-add-options sqrt_insn } */
   4
   5 double __GIMPLE
   6 f1 (double x)
   7 {
   8   double res;
   9   res = .SQRT (x);
  10   return res;
  11 }
  12
  13 void __GIMPLE
  14 f2 (double x)
  15 {
  16   .SQRT (x); // Dead code
  17 }