1; RUN: llvm-as -disable-output < %s
2
3%"struct.std::pair<int,int>" = type { i32, i32 }
4
5declare void @_Z3barRKi(i32*)
6
7declare void @llvm.lifetime.start(i64, i8* nocapture) nounwind
8declare void @llvm.lifetime.end(i64, i8* nocapture) nounwind
9declare {}* @llvm.invariant.start(i64, i8* nocapture) readonly nounwind
10declare void @llvm.invariant.end({}*, i64, i8* nocapture) nounwind
11
12define i32 @_Z4foo2v() nounwind {
13entry:
14  %x = alloca %"struct.std::pair<int,int>"
15  %y = bitcast %"struct.std::pair<int,int>"* %x to i8*
16
17  ;; Constructor starts here (this isn't needed since it is immediately
18  ;; preceded by an alloca, but shown for completeness).
19  call void @llvm.lifetime.start(i64 8, i8* %y)
20
21  %0 = getelementptr %"struct.std::pair<int,int>"* %x, i32 0, i32 0
22  store i32 4, i32* %0, align 8
23  %1 = getelementptr %"struct.std::pair<int,int>"* %x, i32 0, i32 1
24  store i32 5, i32* %1, align 4
25
26  ;; Constructor has finished here.
27  %inv = call {}* @llvm.invariant.start(i64 8, i8* %y)
28  call void @_Z3barRKi(i32* %0) nounwind
29  %2 = load i32* %0, align 8
30
31  ;; Destructor is run here.
32  call void @llvm.invariant.end({}* %inv, i64 8, i8* %y)
33  ;; Destructor is done here.
34  call void @llvm.lifetime.end(i64 8, i8* %y)
35  ret i32 %2
36}
37