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/* { dg-options "-O2" } */
#include <stdlib.h>
volatile int flag;
const int array_size = 10;
int* array;
int iterations = 10000000;
#define BAR(num) \
int __attribute__((noinline)) \
bar##num (int i, int j) \
{ \
if (i == 0) \
return 2*num - 1; \
else \
return 2*num; \
}
BAR(1)
BAR(2)
BAR(3)
BAR(4)
BAR(5)
BAR(6)
BAR(7)
BAR(8)
BAR(9)
BAR(10)
BAR(11)
BAR(12)
BAR(13)
BAR(14)
BAR(15)
BAR(16)
BAR(17)
BAR(18)
BAR(19)
int __attribute__((noinline))
foo ()
{
switch (flag)
{
case 1:
return bar1 (0, 0);
case 2:
return bar2 (0, 0);
case 3:
return bar3 (0, 0);
case 4:
return bar4 (0, 0);
case 5:
return bar5 (0, 0);
case 6:
return bar6 (0, 0);
case 7:
return bar7 (0, 0);
case 8:
return bar8 (0, 0);
case 9:
return bar9 (0, 0);
case 10:
return bar10 (0, 0);
case 11:
return bar11 (0, 0);
case 12:
return bar12 (0, 0);
case 13:
return bar13 (0, 0);
case 14:
return bar14 (0, 0);
case 15:
return bar15 (0, 0);
case 16:
return bar16 (0, 0);
case 17:
return bar17 (0, 0);
case 18:
return bar18 (0, 0);
default:
return bar19(0, 0);
}
}
int
main ()
{
flag = 0;
array = calloc(array_size, sizeof(int));
for (int i = 0, j = 0; i < iterations; ++i, j = (j + 1) % 10)
array[j] = foo ();
}
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