// RUN: %clang_cc1 -std=c++1y -triple i686-pc-windows-msvc -emit-llvm %s -o - | FileCheck %s //CHECK: %[[A_LAMBDA:.*]] = type { %struct.A } //CHECK: %[[B_LAMBDA:.*]] = type { %struct.B* } struct A { double a = 111; auto foo() { return [*this] { return a; }; } }; namespace ns1 { int X = A{}.foo()(); } //end ns1 //CHECK: @"?foo@A@@QAE?A?@@XZ"(%struct.A* {{[^,]*}} %this, %class.anon* noalias sret(%class.anon) align 8 %[[A_LAMBDA_RETVAL:.*]]) // get the first object with the closure type, which is of type 'struct.A' //CHECK: %[[I0:.+]] = getelementptr inbounds %[[A_LAMBDA]], %[[A_LAMBDA]]* %[[A_LAMBDA_RETVAL]], i32 0, i32 0 //CHECK: %[[I1:.+]] = bitcast %struct.A* %[[I0]] to i8* //CHECK: %[[I2:.+]] = bitcast %struct.A* %this1 to i8* // copy the contents ... //CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %[[I1]], i8* align 8 %[[I2]], i32 8, i1 false) struct B { double b = 222; auto bar() { return [this] { return b; }; }; }; namespace ns2 { int X = B{}.bar()(); } //CHECK: @"?bar@B@@QAE?A?@@XZ"(%struct.B* {{[^,]*}} %this, %class.anon.0* noalias sret(%class.anon.0) align 4 %agg.result) //CHECK: %[[I20:.+]] = getelementptr inbounds %class.anon.0, %class.anon.0* %agg.result, i32 0, i32 0 //CHECK: store %struct.B* %this1, %struct.B** %[[I20]], align 4