blob: 043918d7809c26ef9854127fe767e67c198d13ee (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dom2-details" } */
void foo();
void bla();
void bar();
/* Avoid threading in the following case, to prevent creating subloops. */
void dont_thread_2 (int first)
{
int i = 0;
do
{
if (first)
foo ();
else
bar ();
first = 0;
bla ();
} while (i++ < 100);
}
/* Peeling off the first iteration would make threading through
the loop latch safe, but we don't do that currently. */
/* { dg-final { scan-tree-dump-not "IRREDUCIBLE_LOOP" "dom2" } } */
|
