blob: 1123b3ebbdf036f49aad42190494938e17af735d (
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
|
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-thread2-stats -fdump-tree-optimized -fno-ssa-phiopt" } */
long a;
int b;
void bar64_(void);
void foo();
int main() {
char c = 0;
unsigned d = 10;
int e = 2;
for (; d; d--) {
bar64_();
b = d;
e && (c = (e = 0) != 4) > 1;
}
if (c < 1)
foo();
a = b;
}
/* Disable phiopt as the threading opportunity goes away. */
/* We need to perform a non-multi-way branch FSM thread creating an
irreducible loop in thread2 to allow followup threading to
remove the call to foo (). */
/* { dg-final { scan-tree-dump "Jumps threaded: 1" "thread2" } } */
/* { dg-final { scan-tree-dump-not "foo" "optimized" } } */
|