blob: 5268e181c2c453d65ed78fe40ab1d07a437b6ebd (
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 "-O2 -fno-tree-fre -fdump-tree-vrp1-details" } */
/* Compile with -fno-tree-fre -O2 to prevent CSEing *p. */
foo (int a, int *p)
{
int x = *p + 2;
int y = *p - 1;
int z = *p + 9;
/* This should be folded to if (1), but only one ASSERT_EXPR should
be inserted. */
if (p)
a = x + y + z;
else
a = x - y;
return a;
}
/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 1 "vrp1" } } */
/* { dg-final { scan-tree-dump-times "PREDICATE: p_.* ne_expr 0" 1 "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
|