| /* { dg-do run } */ |
| /* { dg-options "-O2 -fno-inline -fpredictive-commoning -fdump-tree-pcom-details" } */ |
| |
| int arr[105] = {2, 3, 5, 7, 11}; |
| int result0[10] = {2, 3, 5, 7, 11}; |
| int result1[10] = {0, 3, 5, -2, 11, 0}; |
| |
| extern void abort (void); |
| |
| void __attribute__((noinline)) foo (int *a, int len, int flag) |
| { |
| int i; |
| for (i = 0; i < len; i++) |
| { |
| a[i] = 0; |
| if (flag) |
| a[i + 1] = -1; |
| a[i + 3] = -2; |
| } |
| } |
| |
| void check (int *a, int *res, int len) |
| { |
| int i; |
| |
| for (i = 0; i < len; i++) |
| if (a[i] != res[i]) |
| abort (); |
| } |
| |
| int main (void) |
| { |
| int i; |
| |
| foo (arr, 0, 0); |
| check (arr, result0, 10); |
| |
| foo (arr, 1, 0); |
| check (arr, result1, 10); |
| |
| return 0; |
| } |
| /* { dg-final { scan-tree-dump-not "Store-stores chain" "pcom"} } */ |
| |