blob: 711bab25168c39eceac3228c62c202fe73670513 (
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
34
35
36
37
38
39
40
41
42
|
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dom2" } */
extern void abort (void);
struct rtx_def;
typedef struct rtx_def *rtx;
struct rtvec_def;
typedef struct rtvec_def *rtvec;
union tree_node;
typedef union tree_node *tree;
struct tree_common
{
int code;
};
union tree_node
{
struct tree_common common;
};
extern tree current_function_decl;
struct cgraph_rtl_info
{
_Bool pure_function;
};
struct cgraph_rtl_info *cgraph_rtl_info (tree);
void
mark_constant_function (void)
{
rtx insn;
int nonlocal_memory_referenced;
if (current_function_decl->common.code != 42)
abort ();
cgraph_rtl_info (current_function_decl)->pure_function = 1;
}
/* current_function_decl should be loaded once into a temporary
and the temporary used as the argument to cgraph_rtl_info.
This if we find current_function_decl used as an argument, then
we have failed. */
/* { dg-final { scan-tree-dump-times "\\(current_function_decl\\)" 0 "dom2"} } */
/* { dg-final { cleanup-tree-dump "dom2" } } */
|
