1 | // RUN: %clang_cc1 -std=c++1y -triple i686-pc-windows-msvc -emit-llvm %s -o - | FileCheck %s |
2 | //CHECK: %[[A_LAMBDA:.*]] = type { %struct.A } |
3 | //CHECK: %[[B_LAMBDA:.*]] = type { %struct.B* } |
4 | struct A { |
5 | double a = 111; |
6 | auto foo() { return [*this] { return a; }; } |
7 | }; |
8 | |
9 | namespace ns1 { |
10 | int X = A{}.foo()(); |
11 | } //end ns1 |
12 | |
13 | //CHECK: @"?foo@A@@QAE?A?<auto>@@XZ"(%struct.A* %this, %class.anon* noalias sret %[[A_LAMBDA_RETVAL:.*]]) |
14 | // get the first object with the closure type, which is of type 'struct.A' |
15 | //CHECK: %[[I0:.+]] = getelementptr inbounds %[[A_LAMBDA]], %[[A_LAMBDA]]* %[[A_LAMBDA_RETVAL]], i32 0, i32 0 |
16 | //CHECK: %[[I1:.+]] = bitcast %struct.A* %[[I0]] to i8* |
17 | //CHECK: %[[I2:.+]] = bitcast %struct.A* %this1 to i8* |
18 | // copy the contents ... |
19 | //CHECK: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %[[I1]], i8* align 8 %[[I2]], i32 8, i1 false) |
20 | |
21 | struct B { |
22 | double b = 222; |
23 | auto bar() { return [this] { return b; }; }; |
24 | }; |
25 | |
26 | namespace ns2 { |
27 | int X = B{}.bar()(); |
28 | } |
29 | //CHECK: @"?bar@B@@QAE?A?<auto>@@XZ"(%struct.B* %this, %class.anon.0* noalias sret %agg.result) |
30 | //CHECK: %[[I20:.+]] = getelementptr inbounds %class.anon.0, %class.anon.0* %agg.result, i32 0, i32 0 |
31 | //CHECK: store %struct.B* %this1, %struct.B** %[[I20]], align 4 |
32 | |