annotations-builtin.c
1.47 KB
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
43
44
45
46
47
48
49
// RUN: %clang_cc1 -emit-llvm -o - %s | FileCheck %s
// END.
static long long llfoo;
static int intfoo;
static short shortfoo;
static char charfoo;
// CHECK: private unnamed_addr constant [13 x i8] {{.*}}annotation_a{{.*}} section "llvm.metadata"
// CHECK-NOT: {{.*}}annotation_a{{.*}}
static int foo(int a) {
return a + 1;
}
int main(int argc, char **argv) {
char barray[16];
char *b = (char *) __builtin_annotation((int)barray, "annotation_a");
// CHECK: ptrtoint i8* {{.*}} to i32
// CHECK-NEXT: call i32 @llvm.annotation.i32
// CHECK: inttoptr {{.*}} to i8*
int call = __builtin_annotation(foo(argc), "annotation_a");
// CHECK: call {{.*}} @foo
// CHECK: call i32 @llvm.annotation.i32
long long lla = __builtin_annotation(llfoo, "annotation_a");
// CHECK: call i64 @llvm.annotation.i64
int inta = __builtin_annotation(intfoo, "annotation_a");
// CHECK: load i32, i32* @intfoo
// CHECK-NEXT: call i32 @llvm.annotation.i32
// CHECK-NEXT: store
short shorta = __builtin_annotation(shortfoo, "annotation_a");
// CHECK: call i16 @llvm.annotation.i16
char chara = __builtin_annotation(charfoo, "annotation_a");
// CHECK: call i8 @llvm.annotation.i8
char **arg = (char**) __builtin_annotation((int) argv, "annotation_a");
// CHECK: ptrtoint i8** {{.*}} to
// CHECK: call i32 @llvm.annotation.i32
// CHECK: inttoptr {{.*}} to i8**
return 0;
int after_return = __builtin_annotation(argc, "annotation_a");
// CHECK-NOT: call i32 @llvm.annotation.i32
}