| // 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; } |
| |
| // MRC: @"\01L_OBJC_METH_VAR_NAME{{.*}}" = private global [5 x i8] c"copy\00" |
| // MRC: @"\01L_OBJC_METH_VAR_NAME{{.*}}" = private global [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 ()* (i8*, i8*)* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i32 ()* (i8*, i8*)*) |
| // MRC: call i32 ()* (i8*, i8*)* 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 |
| |
| // Check lines for BlockInLambda test below |
| // ARC-LABEL: define internal i32 @___ZZN13BlockInLambda1X1fEvENKUlvE_clEv_block_invoke |
| // ARC: [[Y:%.*]] = getelementptr inbounds %"struct.BlockInLambda::X"* {{.*}}, i32 0, i32 1 |
| // ARC-NEXT: [[YVAL:%.*]] = load 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; |
| // ARC-LABEL: define linkonce_odr i32 ()* @_ZZNK13StaticMembersIfE1fMUlvE_clEvENKUlvE_cvU13block_pointerFivEEv |
| |
| namespace BlockInLambda { |
| struct X { |
| int x,y; |
| void f() { |
| [this]{return ^{return y;}();}(); |
| }; |
| }; |
| void g(X& x) { |
| x.f(); |
| }; |
| } |
| |
| |
| // ARC: attributes [[NUW]] = { nounwind{{.*}} } |
| // MRC: attributes [[NUW]] = { nounwind{{.*}} } |