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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
|
// RUN: %clang_cc1 -no-opaque-pointers -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -fclang-abi-compat=4.0 -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -emit-llvm -o - -DTRIVIALABI %s | FileCheck %s
// RUN: %clang_cc1 -no-opaque-pointers -triple arm64-apple-ios11 -std=c++11 -fobjc-arc -fobjc-weak -fobjc-runtime-has-weak -fclang-abi-compat=4.0 -emit-llvm -o - -DTRIVIALABI %s | FileCheck %s
// Check that structs consisting solely of __strong or __weak pointer fields are
// destructed in the callee function and structs consisting solely of __strong
// pointer fields are passed directly.
// CHECK: %[[STRUCT_STRONGWEAK:.*]] = type { i8*, i8* }
// CHECK: %[[STRUCT_CONTAINSSTRONGWEAK:.*]] = type { %[[STRUCT_STRONGWEAK]] }
// CHECK: %[[STRUCT_DERIVEDSTRONGWEAK:.*]] = type { %[[STRUCT_STRONGWEAK]] }
// CHECK: %[[STRUCT_STRONG:.*]] = type { i8* }
// CHECK: %[[STRUCT_S:.*]] = type { i8* }
// CHECK: %[[STRUCT_CONTAINSNONTRIVIAL:.*]] = type { %{{.*}}, i8* }
// CHECK: %[[STRUCT_NONTRIVIAL:.*]] = type { i32* }
#ifdef TRIVIALABI
struct __attribute__((trivial_abi)) StrongWeak {
#else
struct StrongWeak {
#endif
id fstrong;
__weak id fweak;
};
#ifdef TRIVIALABI
struct __attribute__((trivial_abi)) ContainsStrongWeak {
#else
struct ContainsStrongWeak {
#endif
StrongWeak sw;
};
#ifdef TRIVIALABI
struct __attribute__((trivial_abi)) DerivedStrongWeak : StrongWeak {
#else
struct DerivedStrongWeak : StrongWeak {
#endif
};
#ifdef TRIVIALABI
struct __attribute__((trivial_abi)) Strong {
#else
struct Strong {
#endif
id fstrong;
};
template<class T>
#ifdef TRIVIALABI
struct __attribute__((trivial_abi)) S {
#else
struct S {
#endif
T a;
};
struct NonTrivial {
NonTrivial();
NonTrivial(const NonTrivial &);
~NonTrivial();
int *a;
};
// This struct is not passed directly nor destructed in the callee because f0
// has type NonTrivial.
struct ContainsNonTrivial {
NonTrivial f0;
id f1;
};
@interface C
- (void)passStrong:(Strong)a;
- (void)passStrongWeak:(StrongWeak)a;
- (void)passNonTrivial:(NonTrivial)a;
@end
// CHECK: define{{.*}} void @_Z19testParamStrongWeak10StrongWeak(%[[STRUCT_STRONGWEAK]]* noundef %{{.*}})
// CHECK: call noundef %struct.StrongWeak* @_ZN10StrongWeakD1Ev(
// CHECK-NEXT: ret void
void testParamStrongWeak(StrongWeak a) {
}
// CHECK: define{{.*}} void @_Z18testCallStrongWeakP10StrongWeak(%[[STRUCT_STRONGWEAK]]* noundef %[[A:.*]])
// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONGWEAK]]*, align 8
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONGWEAK]], align 8
// CHECK: store %[[STRUCT_STRONGWEAK]]* %[[A]], %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONGWEAK]]*, %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
// CHECK: %[[CALL:.*]] = call noundef %[[STRUCT_STRONGWEAK]]* @_ZN10StrongWeakC1ERKS_(%[[STRUCT_STRONGWEAK]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_STRONGWEAK]]* noundef nonnull align 8 dereferenceable(16) %[[V0]])
// CHECK: call void @_Z19testParamStrongWeak10StrongWeak(%[[STRUCT_STRONGWEAK]]* noundef %[[AGG_TMP]])
// CHECK-NOT: call
// CHECK: ret void
void testCallStrongWeak(StrongWeak *a) {
testParamStrongWeak(*a);
}
// CHECK: define{{.*}} void @_Z20testReturnStrongWeakP10StrongWeak(%[[STRUCT_STRONGWEAK:.*]]* noalias sret(%[[STRUCT_STRONGWEAK]]) align 8 %[[AGG_RESULT:.*]], %[[STRUCT_STRONGWEAK]]* noundef %[[A:.*]])
// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONGWEAK]]*, align 8
// CHECK: store %[[STRUCT_STRONGWEAK]]* %[[A]], %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONGWEAK]]*, %[[STRUCT_STRONGWEAK]]** %[[A_ADDR]], align 8
// CHECK: %[[CALL:.*]] = call noundef %[[STRUCT_STRONGWEAK]]* @_ZN10StrongWeakC1ERKS_(%[[STRUCT_STRONGWEAK]]* {{[^,]*}} %[[AGG_RESULT]], %[[STRUCT_STRONGWEAK]]* noundef nonnull align 8 dereferenceable(16) %[[V0]])
// CHECK: ret void
StrongWeak testReturnStrongWeak(StrongWeak *a) {
return *a;
}
// CHECK: define{{.*}} void @_Z27testParamContainsStrongWeak18ContainsStrongWeak(%[[STRUCT_CONTAINSSTRONGWEAK]]* noundef %[[A:.*]])
// CHECK: call noundef %[[STRUCT_CONTAINSSTRONGWEAK]]* @_ZN18ContainsStrongWeakD1Ev(%[[STRUCT_CONTAINSSTRONGWEAK]]* {{[^,]*}} %[[A]])
void testParamContainsStrongWeak(ContainsStrongWeak a) {
}
// CHECK: define{{.*}} void @_Z26testParamDerivedStrongWeak17DerivedStrongWeak(%[[STRUCT_DERIVEDSTRONGWEAK]]* noundef %[[A:.*]])
// CHECK: call noundef %[[STRUCT_DERIVEDSTRONGWEAK]]* @_ZN17DerivedStrongWeakD1Ev(%[[STRUCT_DERIVEDSTRONGWEAK]]* {{[^,]*}} %[[A]])
void testParamDerivedStrongWeak(DerivedStrongWeak a) {
}
// CHECK: define{{.*}} void @_Z15testParamStrong6Strong(i64 %[[A_COERCE:.*]])
// CHECK: %[[A:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[A]], i32 0, i32 0
// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[A_COERCE]] to i8*
// CHECK: store i8* %[[COERCE_VAL_IP]], i8** %[[COERCE_DIVE]], align 8
// CHECK: %[[CALL:.*]] = call noundef %[[STRUCT_STRONG]]* @_ZN6StrongD1Ev(%[[STRUCT_STRONG]]* {{[^,]*}} %[[A]])
// CHECK: ret void
// CHECK: define linkonce_odr noundef %[[STRUCT_STRONG]]* @_ZN6StrongD1Ev(
void testParamStrong(Strong a) {
}
// CHECK: define{{.*}} void @_Z14testCallStrongP6Strong(%[[STRUCT_STRONG]]* noundef %[[A:.*]])
// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONG]]*, align 8
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: store %[[STRUCT_STRONG]]* %[[A]], %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONG]]*, %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
// CHECK: %[[CALL:.*]] = call noundef %[[STRUCT_STRONG]]* @_ZN6StrongC1ERKS_(%[[STRUCT_STRONG]]* {{[^,]*}} %[[AGG_TMP]], %[[STRUCT_STRONG]]* noundef nonnull align 8 dereferenceable(8) %[[V0]])
// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[AGG_TMP]], i32 0, i32 0
// CHECK: %[[V1:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V1]] to i64
// CHECK: call void @_Z15testParamStrong6Strong(i64 %[[COERCE_VAL_PI]])
// CHECK: ret void
void testCallStrong(Strong *a) {
testParamStrong(*a);
}
// CHECK: define{{.*}} i64 @_Z16testReturnStrongP6Strong(%[[STRUCT_STRONG]]* noundef %[[A:.*]])
// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: %[[A_ADDR:.*]] = alloca %[[STRUCT_STRONG]]*, align 8
// CHECK: store %[[STRUCT_STRONG]]* %[[A]], %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
// CHECK: %[[V0:.*]] = load %[[STRUCT_STRONG]]*, %[[STRUCT_STRONG]]** %[[A_ADDR]], align 8
// CHECK: %[[CALL:.*]] = call noundef %[[STRUCT_STRONG]]* @_ZN6StrongC1ERKS_(%[[STRUCT_STRONG]]* {{[^,]*}} %[[RETVAL]], %[[STRUCT_STRONG]]* noundef nonnull align 8 dereferenceable(8) %[[V0]])
// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
// CHECK: %[[V1:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V1]] to i64
// CHECK: ret i64 %[[COERCE_VAL_PI]]
Strong testReturnStrong(Strong *a) {
return *a;
}
// CHECK: define{{.*}} void @_Z21testParamWeakTemplate1SIU6__weakP11objc_objectE(%[[STRUCT_S]]* noundef %{{.*}})
// CHECK: call noundef %struct.S* @_ZN1SIU6__weakP11objc_objectED1Ev(
// CHECK-NEXT: ret void
void testParamWeakTemplate(S<__weak id> a) {
}
// CHECK: define{{.*}} void @_Z27testParamContainsNonTrivial18ContainsNonTrivial(%[[STRUCT_CONTAINSNONTRIVIAL]]* noundef %{{.*}})
// CHECK-NOT: call
// CHECK: ret void
void testParamContainsNonTrivial(ContainsNonTrivial a) {
}
// CHECK: define{{.*}} void @_Z26testCallContainsNonTrivialP18ContainsNonTrivial(
// CHECK: call void @_Z27testParamContainsNonTrivial18ContainsNonTrivial(%[[STRUCT_CONTAINSNONTRIVIAL]]* noundef %{{.*}})
// CHECK: call noundef %struct.ContainsNonTrivial* @_ZN18ContainsNonTrivialD1Ev(%[[STRUCT_CONTAINSNONTRIVIAL]]* {{[^,]*}} %{{.*}})
void testCallContainsNonTrivial(ContainsNonTrivial *a) {
testParamContainsNonTrivial(*a);
}
namespace testThunk {
// CHECK-LABEL: define{{.*}} i64 @_ZThn8_N9testThunk2D02m0Ev(
// CHECK: %[[RETVAL:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: %[[CALL:.*]] = tail call i64 @_ZN9testThunk2D02m0Ev(
// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
// CHECK: %[[COERCE_VAL_IP:.*]] = inttoptr i64 %[[CALL]] to i8*
// CHECK: store i8* %[[COERCE_VAL_IP]], i8** %[[COERCE_DIVE]], align 8
// CHECK: %[[COERCE_DIVE2:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[RETVAL]], i32 0, i32 0
// CHECK: %[[V3:.*]] = load i8*, i8** %[[COERCE_DIVE2]], align 8
// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V3]] to i64
// CHECK: ret i64 %[[COERCE_VAL_PI]]
struct B0 {
virtual Strong m0();
};
struct B1 {
virtual Strong m0();
};
struct D0 : B0, B1 {
Strong m0() override;
};
Strong D0::m0() { return {}; }
}
namespace testNullReceiver {
// CHECK-LABEL: define{{.*}} void @_ZN16testNullReceiver5test0EP1C(
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONG]], align 8
// CHECK: br i1
// CHECK: %[[COERCE_DIVE:.*]] = getelementptr inbounds %[[STRUCT_STRONG]], %[[STRUCT_STRONG]]* %[[AGG_TMP]], i32 0, i32 0
// CHECK: %[[V7:.*]] = load i8*, i8** %[[COERCE_DIVE]], align 8
// CHECK: %[[COERCE_VAL_PI:.*]] = ptrtoint i8* %[[V7]] to i64
// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, i64)*)({{.*}}, i64 %[[COERCE_VAL_PI]])
// CHECK: br
// CHECK: %[[CALL1:.*]] = call noundef %[[STRUCT_STRONG]]* @_ZN6StrongD1Ev(%[[STRUCT_STRONG]]* noundef nonnull align 8 dereferenceable(8) %[[AGG_TMP]])
// CHECK: br
void test0(C *c) {
[c passStrong:Strong()];
}
// CHECK-LABEL: define{{.*}} void @_ZN16testNullReceiver5test1EP1C(
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_STRONGWEAK]], align 8
// CHECK: br i1
// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void ({{.*}}, %[[STRUCT_STRONGWEAK]]* noundef %[[AGG_TMP]])
// CHECK: br
// CHECK: %[[CALL1:.*]] = call noundef %[[STRUCT_STRONGWEAK]]* @_ZN10StrongWeakD1Ev(%[[STRUCT_STRONGWEAK]]* noundef nonnull align 8 dereferenceable(16) %[[AGG_TMP]])
// CHECK: br
void test1(C *c) {
[c passStrongWeak:StrongWeak()];
}
// No null check needed.
// CHECK-LABEL: define{{.*}} void @_ZN16testNullReceiver5test2EP1C(
// CHECK: %[[AGG_TMP:.*]] = alloca %[[STRUCT_NONTRIVIAL]], align 8
// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, %[[STRUCT_NONTRIVIAL]]*)*)({{.*}}, %[[STRUCT_NONTRIVIAL]]* noundef %[[AGG_TMP]])
// CHECK-NEXT: call noundef %[[STRUCT_NONTRIVIAL]]* @_ZN10NonTrivialD1Ev(%[[STRUCT_NONTRIVIAL]]* noundef nonnull align 8 dereferenceable(8) %[[AGG_TMP]])
void test2(C *c) {
[c passNonTrivial:NonTrivial()];
}
}
|
