Basic Block Example 1 begin A list of all basic blocks in the program is 2 int x,y,power; 3 float z; given below. 4 input (x,y); Block Lines Entry Point Exit Point 5 if (y<0) 6 power=y; 1 2,3,4,5 1 5 7 else 2 6 6 6 8 power=y; 3 8 8 8 9 2=1; 10 while(power!=0){ 4 9 9 9 11 2=z*X) 5 10 10 10 12 power=power-1; 6 11,12 11 12 13 } 14 if (y<0) 7 14 14 14 15 Z=1/z; 8 15 15 15 16 output (z); 9 16 16 16 17 end 88 Basic Block Example 1 begin 2 int x, y, power; 3 float z; 4 input (x, y); 5 if (y<0) 6 power=y; 7 else 8 power=y; 9 z=1; 10 while (power!=0) { 11 z=z*x; 12 power=power-1; 13 } 14 if (y<0) 15 z=1/z; 16 output (z); 17 end • A list of all basic blocks in the program is given below. Block Lines Entry Point Exit Point 1 2,3,4,5 1 5 2 6 6 6 3 8 8 8 4 9 9 9 5 10 10 10 6 11,12 11 12 7 14 14 14 8 15 15 15 9 16 16 16