blob: 6605dfe0aaee019fb38d59cb83d69606b9aae5f0 (
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
29
30
31
32
33
|
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dse1-details" } */
enum constraint_expr_type
{
SCALAR, DEREF, ADDRESSOF
};
typedef struct constraint_expr
{
enum constraint_expr_type type;
unsigned int var;
long offset;
} constraint_expr ;
typedef struct constraint
{
struct constraint_expr lhs;
struct constraint_expr rhs;
} constraint;
static _Bool
constraint_expr_equal (struct constraint_expr x, struct constraint_expr y)
{
return x.type == y.type && x.var == y.var && x.offset == y.offset;
}
_Bool
constraint_equal (struct constraint a, struct constraint b)
{
return constraint_expr_equal (a.lhs, b.lhs)
&& constraint_expr_equal (a.rhs, b.rhs);
}
/* { dg-final { scan-tree-dump-times "Deleted dead store" 2 "dse1" } } */
|
