gcc/testsuite/gcc.dg/tree-ssa/phi-opt-12.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-phiopt1" } */
   3
   4 int f(int a, int b, int c) {
   5   if (c > 5) return c;
   6   if (a == 0) return b;
   7   return a + b;
   8 }
   9
  10 unsigned rot(unsigned x, int n) {
  11   const int bits = __CHAR_BIT__ * __SIZEOF_INT__;
  12   return (n == 0) ? x : ((x << n) | (x >> (bits - n)));
  13 }
  14
  15 unsigned m(unsigned a, unsigned b) {
  16   if (a == 0)
  17     return 0;
  18   else
  19     return a & b;
  20 }
  21
  22 /* { dg-final { scan-tree-dump-times "goto" 2 "phiopt1" } } */