tests/inputs/testcopy2.c

   1 // Test case demonstrating partial copy propagation
   2 #define M 8
   3
   4 void source(int *x, int *y);
   5 void negate(int s, int *d);
   6 void trans(int s1, int s2, int *d);
   7 void sink(int v);
   8
   9 int main() {
  10   int a,b;
  11   int v[M],w[M];
  12   int x[M],y[M];
  13   int z[M];
  14
  15   for (int i = 0; i < M; i++) {
  16     source( &(v[i]), &(w[i]) );
  17     source( &(x[i]), &(y[i]) );
  18   }
  19
  20   for (int i = 0; i < M; i++) {
  21     if (i < M/2) {
  22       a = v[i];
  23       b = x[i];
  24     }
  25     else {
  26       a = w[i];
  27       negate( y[i], &b );
  28     }
  29     trans( a, b, &(z[i]) );
  30   }
  31
  32   for (int i = 0; i < M; i++) {
  33     sink( z[i] );
  34   }
  35
  36   return 0;
  37 }