| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks -fobjc-arc -fobjc-runtime-has-weak -DWEAK_SUPPORTED | FileCheck -check-prefix=ARC %s |
| 2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10.0.0 -emit-llvm -o - %s -fexceptions -std=c++11 -fblocks | FileCheck -check-prefix=MRC %s |
| 3 | |
| 4 | typedef int (^fp)(); |
| 5 | fp f() { auto x = []{ return 3; }; return x; } |
| 6 | |
| 7 | // ARC: %[[LAMBDACLASS:.*]] = type { i32 } |
| 8 | |
| 9 | // MRC: @OBJC_METH_VAR_NAME{{.*}} = private unnamed_addr constant [5 x i8] c"copy\00" |
| 10 | // MRC: @OBJC_METH_VAR_NAME{{.*}} = private unnamed_addr constant [12 x i8] c"autorelease\00" |
| 11 | // MRC-LABEL: define i32 ()* @_Z1fv( |
| 12 | // MRC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv" |
| 13 | // MRC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*) |
| 14 | // MRC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*) |
| 15 | // MRC: call i32 ()* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*) |
| 16 | // MRC: call i32 ()* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*) |
| 17 | // MRC: ret i32 ()* |
| 18 | |
| 19 | // ARC-LABEL: define i32 ()* @_Z1fv( |
| 20 | // ARC-LABEL: define internal i32 ()* @"_ZZ1fvENK3$_0cvU13block_pointerFivEEv" |
| 21 | // ARC: store i8* bitcast (i8** @_NSConcreteStackBlock to i8*) |
| 22 | // ARC: store i8* bitcast (i32 (i8*)* @"___ZZ1fvENK3$_0cvU13block_pointerFivEEv_block_invoke" to i8*) |
| 23 | // ARC: call i8* @llvm.objc.retainBlock |
| 24 | // ARC: call i8* @llvm.objc.autoreleaseReturnValue |
| 25 | |
| 26 | typedef int (^fp)(); |
| 27 | fp global; |
| 28 | void f2() { global = []{ return 3; }; } |
| 29 | |
| 30 | // MRC: define void @_Z2f2v() [[NUW:#[0-9]+]] { |
| 31 | // MRC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*), |
| 32 | // MRC-NOT: call |
| 33 | // MRC: ret void |
| 34 | // ("global" contains a dangling pointer after this function runs.) |
| 35 | |
| 36 | // ARC: define void @_Z2f2v() [[NUW:#[0-9]+]] { |
| 37 | // ARC: store i8* bitcast (i32 (i8*)* @___Z2f2v_block_invoke to i8*), |
| 38 | // ARC: call i8* @llvm.objc.retainBlock |
| 39 | // ARC: call void @llvm.objc.release |
| 40 | // ARC-LABEL: define internal i32 @___Z2f2v_block_invoke |
| 41 | // ARC: call i32 @"_ZZ2f2vENK3$_1clEv |
| 42 | |
| 43 | template <class T> void take_lambda(T &&lambda) { lambda(); } |
| 44 | void take_block(void (^block)()) { block(); } |
| 45 | |
| 46 | // rdar://13800041 |
| 47 | @interface A |
| 48 | - (void) test; |
| 49 | @end |
| 50 | @interface B : A @end |
| 51 | @implementation B |
| 52 | - (void) test { |
| 53 | take_block(^{ |
| 54 | take_lambda([=]{ |
| 55 | take_block(^{ |
| 56 | take_lambda([=] { |
| 57 | [super test]; |
| 58 | }); |
| 59 | }); |
| 60 | }); |
| 61 | }); |
| 62 | } |
| 63 | @end |
| 64 | |
| 65 | // ARC: define void @_ZN13LambdaCapture4foo1ERi(i32* dereferenceable(4) %{{.*}}) |
| 66 | // ARC: %[[CAPTURE0:.*]] = getelementptr inbounds %[[LAMBDACLASS]], %[[LAMBDACLASS]]* %{{.*}}, i32 0, i32 0 |
| 67 | // ARC: store i32 %{{.*}}, i32* %[[CAPTURE0]] |
| 68 | |
| 69 | // ARC: define internal void @"_ZZN13LambdaCapture4foo1ERiENK3$_3clEv"(%[[LAMBDACLASS]]* %{{.*}}) |
| 70 | // ARC: %[[BLOCK:.*]] = alloca <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }> |
| 71 | // 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 |
| 72 | // ARC: store i32 %{{.*}}, i32* %[[CAPTURE1]] |
| 73 | |
| 74 | // ARC-LABEL: define internal void @"_ZZ10-[Foo foo]ENK3$_4clEv"( |
| 75 | // ARC-NOT: @llvm.objc.storeStrong( |
| 76 | // ARC: ret void |
| 77 | |
| 78 | // ARC: define internal void @"___ZZN13LambdaCapture4foo1ERiENK3$_3clEv_block_invoke" |
| 79 | // ARC: %[[CAPTURE2:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>* %{{.*}}, i32 0, i32 5 |
| 80 | // ARC: store i32 %{{.*}}, i32* %[[CAPTURE2]] |
| 81 | |
| 82 | // ARC: define internal void @"___ZZN13LambdaCapture4foo1ERiENK3$_3clEv_block_invoke_2"(i8* %{{.*}}) |
| 83 | // ARC: %[[CAPTURE3:.*]] = getelementptr inbounds <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>, <{ i8*, i32, i32, i8*, %struct.__block_descriptor*, i32 }>* %{{.*}}, i32 0, i32 5 |
| 84 | // ARC: %[[V1:.*]] = load i32, i32* %[[CAPTURE3]] |
| 85 | // ARC: store i32 %[[V1]], i32* @_ZN13LambdaCapture1iE |
| 86 | |
| 87 | namespace LambdaCapture { |
| 88 | int i; |
| 89 | void foo1(int &a) { |
| 90 | auto lambda = [a]{ |
| 91 | auto block1 = ^{ |
| 92 | auto block2 = ^{ |
| 93 | i = a; |
| 94 | }; |
| 95 | block2(); |
| 96 | }; |
| 97 | block1(); |
| 98 | }; |
| 99 | lambda(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | // ARC-LABEL: define linkonce_odr i32 ()* @_ZZNK13StaticMembersIfE1fMUlvE_clEvENKUlvE_cvU13block_pointerFivEEv |
| 104 | |
| 105 | // Check lines for BlockInLambda test below |
| 106 | // ARC-LABEL: define internal i32 @___ZZN13BlockInLambda1X1fEvENKUlvE_clEv_block_invoke |
| 107 | // ARC: [[Y:%.*]] = getelementptr inbounds %"struct.BlockInLambda::X", %"struct.BlockInLambda::X"* {{.*}}, i32 0, i32 1 |
| 108 | // ARC-NEXT: [[YVAL:%.*]] = load i32, i32* [[Y]], align 4 |
| 109 | // ARC-NEXT: ret i32 [[YVAL]] |
| 110 | |
| 111 | typedef int (^fptr)(); |
| 112 | template<typename T> struct StaticMembers { |
| 113 | static fptr f; |
| 114 | }; |
| 115 | template<typename T> |
| 116 | fptr StaticMembers<T>::f = [] { auto f = []{return 5;}; return fptr(f); }(); |
| 117 | template fptr StaticMembers<float>::f; |
| 118 | |
| 119 | namespace BlockInLambda { |
| 120 | struct X { |
| 121 | int x,y; |
| 122 | void f() { |
| 123 | [this]{return ^{return y;}();}(); |
| 124 | }; |
| 125 | }; |
| 126 | void g(X& x) { |
| 127 | x.f(); |
| 128 | }; |
| 129 | } |
| 130 | |
| 131 | @interface NSObject @end |
| 132 | @interface Foo : NSObject @end |
| 133 | @implementation Foo |
| 134 | - (void)foo { |
| 135 | [&] { |
| 136 | ^{ (void)self; }(); |
| 137 | }(); |
| 138 | } |
| 139 | @end |
| 140 | |
| 141 | // Check that the delegating invoke function doesn't destruct the Weak object |
| 142 | // that is passed. |
| 143 | |
| 144 | // ARC-LABEL: define internal void @"_ZZN14LambdaDelegate4testEvEN3$_58__invokeENS_4WeakE"( |
| 145 | // ARC: call void @"_ZZN14LambdaDelegate4testEvENK3$_5clENS_4WeakE"( |
| 146 | // ARC-NEXT: ret void |
| 147 | |
| 148 | // ARC-LABEL: define internal void @"_ZZN14LambdaDelegate4testEvENK3$_5clENS_4WeakE"( |
| 149 | // ARC: call void @_ZN14LambdaDelegate4WeakD1Ev( |
| 150 | |
| 151 | #ifdef WEAK_SUPPORTED |
| 152 | |
| 153 | namespace LambdaDelegate { |
| 154 | |
| 155 | struct Weak { |
| 156 | __weak id x; |
| 157 | }; |
| 158 | |
| 159 | void test() { |
| 160 | void (*p)(Weak) = [](Weak a) { }; |
| 161 | } |
| 162 | |
| 163 | }; |
| 164 | |
| 165 | #endif |
| 166 | |
| 167 | // ARC: attributes [[NUW]] = { noinline nounwind{{.*}} } |
| 168 | // MRC: attributes [[NUW]] = { noinline nounwind{{.*}} } |
| 169 | |