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
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks -fobjc-arc | FileCheck -check-prefix=ARC %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks | FileCheck -check-prefix=MRC %s
typedef int (^fp)();
fp f() { auto x = []{ return 3; }; return x; }
// ARC: %[[LAMBDACLASS:.*]] = type { i32 }
// MRC: @OBJC_METH_VAR_NAME{{.*}} = private unnamed_addr constant [5 x i8] c"copy\00"
// MRC: @OBJC_METH_VAR_NAME{{.*}} = private unnamed_addr constant [12 x i8] c"autorelease\00"
// MRC-LABEL: define i32 ()* @_Z1fv(
// MRC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
// MRC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
// MRC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*)
// MRC: call i32 ()* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
// MRC: call i32 ()* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*)
// MRC: ret i32 ()*
// ARC-LABEL: define i32 ()* @_Z1fv(
// ARC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv"
// ARC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*)
// ARC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*)
// ARC: call i8* @objc_retainBlock
// ARC: call i8* @objc_autoreleaseReturnValue
typedef int (^fp)();
fp global;
void f2() { global = []{ return 3; }; }
// MRC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
// MRC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
// MRC-NOT: call
// MRC: ret void
// ("global" contains a dangling pointer after this function runs.)
// ARC: define void @_Z2f2v() [[NUW:#[0-9]+]] {
// ARC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*),
// ARC: call i8* @objc_retainBlock
// ARC: call void @objc_release
// ARC-LABEL: define internal i32 @___Z2f2v_block_invoke
// ARC: call i32 @"_ZZ2f2vENK3$_1clEv
template <class T> void take_lambda(T &&lambda) { lambda(); }
void take_block(void (^block)()) { block(); }
// rdar://13800041
@interface A
- (void) test;
@end
@interface B : A @end
@implementation B
- (void) test {
take_block(^{
take_lambda([=]{
take_block(^{
take_lambda([=] {
[super test];
});
});
});
});
}
@end
// ARC: define void @_ZN13LambdaCapture4foo1ERi(i32* dereferenceable(4) %{{.*}})
// ARC: %[[CAPTURE0:.*]] = getelementptr inbounds %[[LAMBDACLASS]], %[[LAMBDACLASS]]* %{{.*}}, i32 0, i32 0
// ARC: store i32 %{{.*}}, i32* %[[CAPTURE0]]
// ARC: define internal void @"_ZZN13LambdaCapture4foo1ERiENK3$_3clEv"(%[[LAMBDACLASS]]* %{{.*}})
// ARC: %[[BLOCK:.*]] = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>
// ARC: %[[CAPTURE1:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>* %[[BLOCK]], i32 0, i32 5
// ARC: store i32 %{{.*}}, i32* %[[CAPTURE1]]
// ARC: define internal void @"___ZZN13LambdaCapture4foo1ERiENK3$_3clEv_block_invoke"
// ARC: %[[CAPTURE2:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>* %{{.*}}, i32 0, i32 5
// ARC: store i32 %{{.*}}, i32* %[[CAPTURE2]]
// ARC: define internal void @"___ZZN13LambdaCapture4foo1ERiENK3$_3clEv_block_invoke_2"(i8* %{{.*}})
// ARC: %[[CAPTURE3:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>* %{{.*}}, i32 0, i32 5
// ARC: %[[V1:.*]] = load i32, i32* %[[CAPTURE3]]
// ARC: store i32 %[[V1]], i32* @_ZN13LambdaCapture1iE
namespace LambdaCapture {
int i;
void foo1(int &a) {
auto lambda = [a]{
auto block1 = ^{
auto block2 = ^{
i = a;
};
block2();
};
block1();
};
lambda();
}
}
// ARC-LABEL: define linkonce_odr i32 ()* @_ZZNK13StaticMembersIfE1fMUlvE_clEvENKUlvE_cvU13block_pointerFivEEv
// Check lines for BlockInLambda test below
// ARC-LABEL: define internal i32 @___ZZN13BlockInLambda1X1fEvENKUlvE_clEv_block_invoke
// ARC: [[Y:%.*]] = getelementptr inbounds %"struct.BlockInLambda::X", %"struct.BlockInLambda::X"* {{.*}}, i32 0, i32 1
// ARC-NEXT: [[YVAL:%.*]] = load i32, i32* [[Y]], align 4
// ARC-NEXT: ret i32 [[YVAL]]
typedef int (^fptr)();
template<typename T> struct StaticMembers {
static fptr f;
};
template<typename T>
fptr StaticMembers<T>::f = [] { auto f = []{return 5;}; return fptr(f); }();
template fptr StaticMembers<float>::f;
namespace BlockInLambda {
struct X {
int x,y;
void f() {
[this]{return ^{return y;}();}();
};
};
void g(X& x) {
x.f();
};
}
// ARC: attributes [[NUW]] = { noinline nounwind{{.*}} }
// MRC: attributes [[NUW]] = { noinline nounwind{{.*}} }
|
