blob: c95111ca125612fe6745cafe08f3f626d12cca6c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* { dg-do compile } */
/* { dg-options "-fgnu-tm -O1 -fdump-tree-lim1" } */
/* Test that thread visible loads do not get hoisted out of loops if
the load would not have occurred on each path out of the loop. */
int x[10] = {0,0,0,0,0,0,0,0,0,0};
int DATA_DATA = 0;
void reader()
{
int i;
__transaction_atomic
{
for (i = 0; i < 10; i++)
if (x[i])
x[i] += DATA_DATA;
/* If we loaded DATA_DATA here, we could hoist it before the loop,
but since we don't... we can't. */
}
}
/* { dg-final { scan-tree-dump-times "Cannot hoist.*DATA_DATA because it is in a transaction" 1 "lim1" } } */
|
