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
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// RUN: %clang_cc1 -triple %ms_abi_triple -fms-extensions -std=c++11 -emit-llvm -O2 -o - %s | FileCheck %s
void target_func();
void (*func_ptr)() = &target_func;
// The "guard_nocf" attribute must be added.
__declspec(guard(nocf)) void nocf0() {
(*func_ptr)();
}
// CHECK-LABEL: nocf0
// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
// The "guard_nocf" attribute must *not* be added.
void cf0() {
(*func_ptr)();
}
// CHECK-LABEL: cf0
// CHECK: call{{.*}}[[CF:#[0-9]+]]
// If the modifier is present on either the function declaration or definition,
// the "guard_nocf" attribute must be added.
__declspec(guard(nocf)) void nocf1();
void nocf1() {
(*func_ptr)();
}
// CHECK-LABEL: nocf1
// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
void nocf2();
__declspec(guard(nocf)) void nocf2() {
(*func_ptr)();
}
// CHECK-LABEL: nocf2
// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
// When inlining a function, the "guard_nocf" attribute on indirect calls must
// be preserved.
void nocf3() {
nocf0();
}
// CHECK-LABEL: nocf3
// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
// When inlining into a function marked as __declspec(guard(nocf)), the
// "guard_nocf" attribute must *not* be added to the inlined calls.
__declspec(guard(nocf)) void cf1() {
cf0();
}
// CHECK-LABEL: cf1
// CHECK: call{{.*}}[[CF:#[0-9]+]]
// When the __declspec(guard(nocf)) modifier is present on an override function,
// the "guard_nocf" attribute must be added.
struct Base {
virtual void nocf4();
};
struct Derived : Base {
__declspec(guard(nocf)) void nocf4() override {
(*func_ptr)();
}
};
Derived d;
// CHECK-LABEL: nocf4
// CHECK: call{{.*}}[[NOCF:#[0-9]+]]
// When the modifier is not present on an override function, the "guard_nocf"
// attribute must *not* be added, even if the modifier is present on the virtual
// function.
struct Base1 {
__declspec(guard(nocf)) virtual void cf2();
};
struct Derived1 : Base1 {
void cf2() override {
(*func_ptr)();
}
};
Derived1 d1;
// CHECK-LABEL: cf2
// CHECK: call{{.*}}[[CF:#[0-9]+]]
// CHECK: attributes [[NOCF]] = { {{.*}}"guard_nocf"{{.*}} }
// CHECK-NOT: attributes [[CF]] = { {{.*}}"guard_nocf"{{.*}} }
|
