1 // RUN: %clang_cc1 -no-opaque-pointers -emit-llvm -o - -triple=i386-pc-win32 -std=c++11 %s -fcxx-exceptions -fms-extensions | FileCheck %s
2 
3 // CHECK-DAG: @"??_R0?AUY@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"??_7type_info@@6B@", i8* null, [8 x i8] c".?AUY@@\00" }, comdat
4 // CHECK-DAG: @"_CT??_R0?AUY@@@8??0Y@@QAE@ABU0@@Z8" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 4, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0?AUY@@@8" to i8*), i32 0, i32 -1, i32 0, i32 8, i8* bitcast (%struct.Y* (%struct.Y*, %struct.Y*, i32)* @"??0Y@@QAE@ABU0@@Z" to i8*) }, section ".xdata", comdat
5 // CHECK-DAG: @"??_R0?AUZ@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"??_7type_info@@6B@", i8* null, [8 x i8] c".?AUZ@@\00" }, comdat
6 // CHECK-DAG: @"_CT??_R0?AUZ@@@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0?AUZ@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* null }, section ".xdata", comdat
7 // CHECK-DAG: @"??_R0?AUW@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"??_7type_info@@6B@", i8* null, [8 x i8] c".?AUW@@\00" }, comdat
8 // CHECK-DAG: @"_CT??_R0?AUW@@@8??0W@@QAE@ABU0@@Z44" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 4, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0?AUW@@@8" to i8*), i32 4, i32 -1, i32 0, i32 4, i8* bitcast (%struct.W* (%struct.W*, %struct.W*, i32)* @"??0W@@QAE@ABU0@@Z" to i8*) }, section ".xdata", comdat
9 // CHECK-DAG: @"??_R0?AUM@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"??_7type_info@@6B@", i8* null, [8 x i8] c".?AUM@@\00" }, comdat
10 // CHECK-DAG: @"_CT??_R0?AUM@@@818" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0?AUM@@@8" to i8*), i32 8, i32 -1, i32 0, i32 1, i8* null }, section ".xdata", comdat
11 // CHECK-DAG: @"??_R0?AUV@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"??_7type_info@@6B@", i8* null, [8 x i8] c".?AUV@@\00" }, comdat
12 // CHECK-DAG: @"_CT??_R0?AUV@@@81044" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0?AUV@@@8" to i8*), i32 0, i32 4, i32 4, i32 1, i8* null }, section ".xdata", comdat
13 // CHECK-DAG: @"_CTA5?AUY@@" = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.5 { i32 5, [5 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0?AUY@@@8??0Y@@QAE@ABU0@@Z8", %eh.CatchableType* @"_CT??_R0?AUZ@@@81", %eh.CatchableType* @"_CT??_R0?AUW@@@8??0W@@QAE@ABU0@@Z44", %eh.CatchableType* @"_CT??_R0?AUM@@@818", %eh.CatchableType* @"_CT??_R0?AUV@@@81044"] }, section ".xdata", comdat
14 // CHECK-DAG: @"_TI5?AUY@@" = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i8* bitcast (void (%struct.Y*)* @"??_DY@@QAEXXZ" to i8*), i8* null, i8* bitcast (%eh.CatchableTypeArray.5* @"_CTA5?AUY@@" to i8*) }, section ".xdata", comdat
15 // CHECK-DAG: @"_CT??_R0?AUDefault@@@8??_ODefault@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor13* @"??_R0?AUDefault@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.Default*, %struct.Default*)* @"??_ODefault@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
16 // CHECK-DAG: @"_CT??_R0?AUDeletedCopy@@@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor17* @"??_R0?AUDeletedCopy@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* null }, section ".xdata", comdat
17 // CHECk-DAG: @"_CT??_R0?AUMoveOnly@@@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor14* @"??_R0?AUMoveOnly@@@8" to i8*), i32 0, i321-1, i32 0, i32 4, i8* null }, section ".xdata", comda
18 // CHECK-DAG: @"_CT??_R0?AUVariadic@@@8??_OVariadic@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor14* @"??_R0?AUVariadic@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.Variadic*, %struct.Variadic*)* @"??_OVariadic@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
19 // CHECK-DAG: @"_CT??_R0?AUTemplateWithDefault@@@8??$?_OH@TemplateWithDefault@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor25* @"??_R0?AUTemplateWithDefault@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.TemplateWithDefault*, %struct.TemplateWithDefault*)* @"??$?_OH@TemplateWithDefault@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
20 // CHECK-DAG: @"_CTA2$$T" = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.2 { i32 2, [2 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0$$T@84", %eh.CatchableType* @"_CT??_R0PAX@84"] }, section ".xdata", comdat
21 // CHECK-DAG: @"_CT??_R0P6AXXZ@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i8* bitcast (%rtti.TypeDescriptor7* @"??_R0P6AXXZ@8" to i8*), i32 0, i32 -1, i32 0, i32 4, i8* null }, section ".xdata", comdat
22 // CHECK-DAG: @_CTA1P6AXXZ = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0P6AXXZ@84"] }, section ".xdata", comdat
23 // CHECK-DAG: @_TI1P6AXXZ = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i8* null, i8* null, i8* bitcast (%eh.CatchableTypeArray.1* @_CTA1P6AXXZ to i8*) }, section ".xdata", comdat
24 // CHECK-DAG: @_TIU2PAPFAH = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 4, i8* null, i8* null, i8* bitcast (%eh.CatchableTypeArray.2* @_CTA2PAPFAH to i8*) }, section ".xdata", comdat
25 // CHECK-DAG: @_CTA2PAPFAH = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.2 { i32 2, [2 x %eh.CatchableType*] [%eh.CatchableType* @"_CT??_R0PAPFAH@84", %eh.CatchableType* @"_CT??_R0PAX@84"] }, section ".xdata", comdat
26 // CHECK-DAG: @"_TI1?AUFoo@?A0x{{[^@]*}}@@" = internal unnamed_addr constant %eh.ThrowInfo { i32 0, i8* null, i8* null, i8* bitcast (%eh.CatchableTypeArray.1* @"_CTA1?AUFoo@?A0x{{[^@]*}}@@" to i8*) }, section ".xdata"
27 
28 
29 struct N { ~N(); };
30 struct M : private N {};
31 struct X {};
32 struct Z {};
33 struct V : private X {};
34 struct W : M, virtual V {};
35 struct Y : Z, W, virtual V {};
36 
37 void f(const Y &y) {
38   // CHECK-LABEL: @"?f@@YAXABUY@@@Z"
39   // CHECK: call x86_thiscallcc noundef %struct.Y* @"??0Y@@QAE@ABU0@@Z"(%struct.Y* {{[^,]*}} %[[mem:.*]], %struct.Y*
40   // CHECK: %[[cast:.*]] = bitcast %struct.Y* %[[mem]] to i8*
41   // CHECK: call void @_CxxThrowException(i8* %[[cast]], %eh.ThrowInfo* @"_TI5?AUY@@")
42   throw y;
43 }
44 
45 void g(const int *const *y) {
46   // CHECK-LABEL: @"?g@@YAXPBQBH@Z"
47   // CHECK: call void @_CxxThrowException(i8* %{{.*}}, %eh.ThrowInfo* @_TIC2PAPBH)
48   throw y;
49 }
50 
51 void h(__unaligned int * __unaligned *y) {
52   // CHECK-LABEL: @"?h@@YAXPFAPFAH@Z"
53   // CHECK: call void @_CxxThrowException(i8* %{{.*}}, %eh.ThrowInfo* @_TIU2PAPFAH)
54   throw y;
55 }
56 
57 struct Default {
58   Default(Default &, int = 42);
59 };
60 
61 // CHECK-LABEL: @"??_ODefault@@QAEXAAU0@@Z"
62 // CHECK: %[[src_addr:.*]] = alloca
63 // CHECK: %[[this_addr:.*]] = alloca
64 // CHECK: store {{.*}} %src, {{.*}} %[[src_addr]], align 4
65 // CHECK: store {{.*}} %this, {{.*}} %[[this_addr]], align 4
66 // CHECK: %[[this:.*]] = load {{.*}} %[[this_addr]]
67 // CHECK: %[[src:.*]] = load {{.*}} %[[src_addr]]
68 // CHECK: call x86_thiscallcc {{.*}} @"??0Default@@QAE@AAU0@H@Z"({{.*}} %[[this]], {{.*}} %[[src]], i32 noundef 42)
69 // CHECK: ret void
70 
71 void h(Default &d) {
72   throw d;
73 }
74 
75 struct DeletedCopy {
76   DeletedCopy();
77   DeletedCopy(DeletedCopy &&);
78   DeletedCopy(const DeletedCopy &) = delete;
79 };
80 void throwDeletedCopy() { throw DeletedCopy(); }
81 
82 
83 struct MoveOnly {
84   MoveOnly();
85   MoveOnly(MoveOnly &&);
86   ~MoveOnly();
87   MoveOnly(const MoveOnly &) = delete;
88 
89   // For some reason this subobject was important for reproducing PR43680
90   struct HasCopy {
91     HasCopy();
92     HasCopy(const HasCopy &o);
93     ~HasCopy();
94     int x;
95   } sub;
96 };
97 
98 void throwMoveOnly() { throw MoveOnly(); }
99 
100 struct Variadic {
101   Variadic(Variadic &, ...);
102 };
103 
104 void i(Variadic &v) {
105   throw v;
106 }
107 
108 // CHECK-LABEL: @"??_OVariadic@@QAEXAAU0@@Z"
109 // CHECK:  %[[src_addr:.*]] = alloca
110 // CHECK:  %[[this_addr:.*]] = alloca
111 // CHECK:  store {{.*}} %src, {{.*}} %[[src_addr:.*]], align
112 // CHECK:  store {{.*}} %this, {{.*}} %[[this_addr:.*]], align
113 // CHECK:  %[[this:.*]] = load {{.*}} %[[this_addr]]
114 // CHECK:  %[[src:.*]] = load {{.*}} %[[src_addr]]
115 // CHECK:  call {{.*}} @"??0Variadic@@QAA@AAU0@ZZ"({{.*}} %[[this]], {{.*}} %[[src]])
116 // CHECK:  ret void
117 
118 struct TemplateWithDefault {
119   template <typename T>
120   static int f() {
121     return 0;
122   }
123   template <typename T = int>
124   TemplateWithDefault(TemplateWithDefault &, T = f<T>());
125 };
126 
127 void j(TemplateWithDefault &twd) {
128   throw twd;
129 }
130 
131 
132 void h() {
133   throw nullptr;
134 }
135 
136 namespace std {
137 template <typename T>
138 void *__GetExceptionInfo(T);
139 }
140 using namespace std;
141 
142 void *GetExceptionInfo_test0() {
143 // CHECK-LABEL: @"?GetExceptionInfo_test0@@YAPAXXZ"
144 // CHECK:  ret i8* bitcast (%eh.ThrowInfo* @_TI1H to i8*)
145   return __GetExceptionInfo(0);
146 }
147 
148 void *GetExceptionInfo_test1() {
149 // CHECK-LABEL: @"?GetExceptionInfo_test1@@YAPAXXZ"
150 // CHECK:  ret i8* bitcast (%eh.ThrowInfo* @_TI1P6AXXZ to i8*)
151   return __GetExceptionInfo<void (*)()>(&h);
152 }
153 
154 // PR36327: Try an exception type with no linkage.
155 namespace { struct Foo { } foo_exc; }
156 
157 void *GetExceptionInfo_test2() {
158 // CHECK-LABEL: @"?GetExceptionInfo_test2@@YAPAXXZ"
159 // CHECK:  ret i8* bitcast (%eh.ThrowInfo* @"_TI1?AUFoo@?A0x{{[^@]*}}@@" to i8*)
160   return __GetExceptionInfo(foo_exc);
161 }
162