1 // gcc -g -O2 -o parameter_ref parameter_ref.c 2 3 volatile int vv; 4 5 /* Don't inline, but do allow clone to create specialized versions. */ 6 static __attribute__((noinline)) int 7 foo (int x, int y, int z) 8 { 9 int a = x * 2; 10 int b = y * 2; 11 int c = z * 2; 12 vv++; 13 return x + z; 14 } 15 16 int 17 main (int x, char **argv) 18 { 19 return foo (x, 2, 3) + foo (x, 4, 3) + foo (x + 6, x, 3) + x; 20 } 21
