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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
| // RUN: %clang_cc1 -std=c++1y -triple x86_64-linux-gnu -fexceptions -fcxx-exceptions -emit-llvm %s -o - | FileCheck %s
struct S {
S();
~S();
};
struct T {
T() noexcept;
~T();
int n;
};
// CHECK-LABEL: define void @_Z1fv(
void f() {
// CHECK: call void @_ZN1SC1Ev(
// CHECK: invoke void @__cxa_throw
//
// Ensure we call the lambda destructor here, and do not call the destructor
// for the capture.
// CHECK: landingpad
// CHECK-NOT: _ZN1SD
// CHECK: call void @"_ZZ1fvEN3$_0D1Ev"(
// CHECK-NOT: _ZN1SD
// CHECK: resume
[s = S()] {}, throw 0;
// CHECK: }
}
// CHECK-LABEL: define void @_Z1gv(
void g() {
// CHECK: call void @_ZN1SC1Ev(
// CHECK: invoke void @__cxa_throw
//
// Ensure we call the lambda destructor here, and do not call the destructor
// for the capture.
// CHECK: landingpad
// CHECK-NOT: @"_ZZ1gvEN3$_0D1Ev"(
// CHECK: call void @_ZN1SD1Ev(
// CHECK-NOT: @"_ZZ1gvEN3$_0D1Ev"(
// CHECK: resume
[s = S(), t = (throw 0, 1)] {};
// CHECK: }
}
void x() noexcept;
void y() noexcept;
// CHECK-LABEL: define void @_Z1hbb(
void h(bool b1, bool b2) {
// CHECK: {{.*}} = alloca i1,
// CHECK: %[[S_ISACTIVE:.*]] = alloca i1,
// CHECK: {{.*}} = alloca i1,
// lambda init: s and t, branch on b1
// CHECK: call void @_ZN1SC1Ev(
// CHECK: store i1 true, i1* %[[S_ISACTIVE]], align 1
// CHECK: call void @_ZN1TC1Ev(
// CHECK: br i1
// throw 1
// CHECK: invoke void @__cxa_throw
// completion of lambda init, branch on b2
// CHECK: store i32 42,
// CHECK: store i1 false, i1* %[[S_ISACTIVE]], align 1
// CHECK: br i1
// throw 2
// CHECK: invoke void @__cxa_throw
// end of full-expression
// CHECK: call void @_Z1xv(
// CHECK: call void @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: call void @_ZN1TD1Ev(
// CHECK: call void @_Z1yv(
// CHECK: ret void
// cleanups for throw 1
// CHECK: landingpad
// CHECK-NOT: @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: br
// cleanups for throw 2
// CHECK: landingpad
// CHECK: call void @"_ZZ1hbbEN3$_2D1Ev"(
// CHECK: br
// common cleanup code
// CHECK: call void @_ZN1TD1Ev(
// CHECK: load i1, i1* %[[S_ISACTIVE]],
// CHECK: br i1
// CHECK: call void @_ZN1SD1Ev(
// CHECK: br
// CHECK: resume
[s = S(), t = T().n, u = (b1 ? throw 1 : 42)] {}, (b2 ? throw 2 : 0), x();
y();
// CHECK: }
}
|