1// RUN: %clang_cc1 -mconstructor-aliases -std=c++11 -fexceptions -emit-llvm %s -o - -triple=i386-pc-win32 | FileCheck %s -check-prefix=X86
2// RUN: %clang_cc1 -mconstructor-aliases -std=c++11 -fexceptions -emit-llvm %s -o - -triple=x86_64-pc-win32 | FileCheck %s -check-prefix=X64
3
4struct A {
5  A(int a);
6  A(const A &o);
7  ~A();
8  int a;
9};
10
11void foo(A a, A b, A c) {
12}
13
14// Order of destruction should be left to right.
15//
16// X86-LABEL: define void @"\01?foo@@YAXUA@@00@Z"
17// X86:          ([[argmem_ty:<{ %struct.A, %struct.A, %struct.A }>]]* inalloca)
18// X86: %[[a:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 0
19// X86: %[[b:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 1
20// X86: %[[c:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %0, i32 0, i32 2
21// X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[a]])
22// X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[b]])
23// X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[c]])
24// X86: ret void
25
26// X64-LABEL: define void @"\01?foo@@YAXUA@@00@Z"
27// X64:         (%struct.A* %[[a:[^,]*]], %struct.A* %[[b:[^,]*]], %struct.A* %[[c:[^)]*]])
28// X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[a]])
29// X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[b]])
30// X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[c]])
31// X64: ret void
32
33
34void call_foo() {
35  foo(A(1), A(2), A(3));
36}
37
38// Order of evaluation should be right to left, and we should clean up the right
39// things as we unwind.
40//
41// X86-LABEL: define void @"\01?call_foo@@YAXXZ"()
42// X86: call i8* @llvm.stacksave()
43// X86: %[[argmem:[^ ]*]] = alloca inalloca [[argmem_ty]]
44// X86: %[[arg3:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 2
45// X86: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg3]], i32 3)
46// X86: %[[arg2:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 1
47// X86: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg2]], i32 2)
48// X86: %[[arg1:[^ ]*]] = getelementptr inbounds [[argmem_ty]]* %[[argmem]], i32 0, i32 0
49// X86: invoke x86_thiscallcc %struct.A* @"\01??0A@@QAE@H@Z"(%struct.A* %[[arg1]], i32 1)
50// X86: invoke void @"\01?foo@@YAXUA@@00@Z"([[argmem_ty]]* inalloca %[[argmem]])
51// X86: call void @llvm.stackrestore
52// X86: ret void
53//
54//   lpad2:
55// X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg2]])
56// X86: br label
57//
58//   ehcleanup:
59// X86: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %[[arg3]])
60
61// X64-LABEL: define void @"\01?call_foo@@YAXXZ"()
62// X64: call %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg3:[^,]*]], i32 3)
63// X64: invoke %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg2:[^,]*]], i32 2)
64// X64: invoke %struct.A* @"\01??0A@@QEAA@H@Z"(%struct.A* %[[arg1:[^,]*]], i32 1)
65// X64: call void @"\01?foo@@YAXUA@@00@Z"
66// X64:       (%struct.A* %[[arg1]], %struct.A* %[[arg2]], %struct.A* %[[arg3]])
67// X64: ret void
68//
69//   lpad2:
70// X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[arg2]])
71// X64: br label
72//
73//   ehcleanup:
74// X64: call void @"\01??1A@@QEAA@XZ"(%struct.A* %[[arg3]])
75