1 // RUN: %clang_cc1 -emit-llvm -o - -triple=i386-pc-win32 -std=c++11 %s -fcxx-exceptions -fms-extensions | FileCheck %s
2 // RUN: %clang_cc1 -emit-llvm -o - -triple=i386-pc-win32 -std=c++11 %s -fcxx-exceptions -fms-extensions -DSTD | FileCheck %s
3 
4 // CHECK-DAG: @"\01??_R0?AUY@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"\01??_7type_info@@6B@", i8* null, [8 x i8] c".?AUY@@\00" }, comdat
5 // CHECK-DAG: @"_CT??_R0?AUY@@@8??0Y@@QAE@ABU0@@Z8" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 4, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUY@@@8" to i8*), i32 0, i32 -1, i32 0, i32 8, i8* bitcast (%struct.Y* (%struct.Y*, %struct.Y*, i32)* @"\01??0Y@@QAE@ABU0@@Z" to i8*) }, section ".xdata", comdat
6 // CHECK-DAG: @"\01??_R0?AUZ@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"\01??_7type_info@@6B@", i8* null, [8 x i8] c".?AUZ@@\00" }, comdat
7 // CHECK-DAG: @"_CT??_R0?AUZ@@@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUZ@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* null }, section ".xdata", comdat
8 // CHECK-DAG: @"\01??_R0?AUW@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"\01??_7type_info@@6B@", i8* null, [8 x i8] c".?AUW@@\00" }, comdat
9 // CHECK-DAG: @"_CT??_R0?AUW@@@8??0W@@QAE@ABU0@@Z44" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 4, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUW@@@8" to i8*), i32 4, i32 -1, i32 0, i32 4, i8* bitcast (%struct.W* (%struct.W*, %struct.W*, i32)* @"\01??0W@@QAE@ABU0@@Z" to i8*) }, section ".xdata", comdat
10 // CHECK-DAG: @"\01??_R0?AUM@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"\01??_7type_info@@6B@", i8* null, [8 x i8] c".?AUM@@\00" }, comdat
11 // CHECK-DAG: @"_CT??_R0?AUM@@@818" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUM@@@8" to i8*), i32 8, i32 -1, i32 0, i32 1, i8* null }, section ".xdata", comdat
12 // CHECK-DAG: @"\01??_R0?AUV@@@8" = linkonce_odr global %rtti.TypeDescriptor7 { i8** @"\01??_7type_info@@6B@", i8* null, [8 x i8] c".?AUV@@\00" }, comdat
13 // CHECK-DAG: @"_CT??_R0?AUV@@@81044" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUV@@@8" to i8*), i32 0, i32 4, i32 4, i32 1, i8* null }, section ".xdata", comdat
14 // 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
15 // CHECK-DAG: @"_TI5?AUY@@" = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i8* bitcast (void (%struct.Y*)* @"\01??_DY@@QAE@XZ" to i8*), i8* null, i8* bitcast (%eh.CatchableTypeArray.5* @"_CTA5?AUY@@" to i8*) }, section ".xdata", comdat
16 // CHECK-DAG: @"_CT??_R0?AUDefault@@@8??_ODefault@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor13* @"\01??_R0?AUDefault@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.Default*, %struct.Default*)* @"\01??_ODefault@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
17 // CHECK-DAG: @"_CT??_R0?AUVariadic@@@8??_OVariadic@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor14* @"\01??_R0?AUVariadic@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.Variadic*, %struct.Variadic*)* @"\01??_OVariadic@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
18 // CHECK-DAG: @"_CT??_R0?AUTemplateWithDefault@@@8??$?_OH@TemplateWithDefault@@QAEXAAU0@@Z1" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 0, i8* bitcast (%rtti.TypeDescriptor25* @"\01??_R0?AUTemplateWithDefault@@@8" to i8*), i32 0, i32 -1, i32 0, i32 1, i8* bitcast (void (%struct.TemplateWithDefault*, %struct.TemplateWithDefault*)* @"\01??$?_OH@TemplateWithDefault@@QAEXAAU0@@Z" to i8*) }, section ".xdata", comdat
19 // 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
20 // CHECK-DAG: @"_CT??_R0P6AXXZ@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0P6AXXZ@8" to i8*), i32 0, i32 -1, i32 0, i32 4, i8* null }, section ".xdata", comdat
21 // 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
22 // 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
23 // 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
24 // 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
25 
26 
27 struct N { ~N(); };
28 struct M : private N {};
29 struct X {};
30 struct Z {};
31 struct V : private X {};
32 struct W : M, virtual V {};
33 struct Y : Z, W, virtual V {};
34 
35 void f(const Y &y) {
36   // CHECK-LABEL: @"\01?f@@YAXABUY@@@Z"
37   // CHECK: call x86_thiscallcc %struct.Y* @"\01??0Y@@QAE@ABU0@@Z"(%struct.Y* %[[mem:.*]], %struct.Y*
38   // CHECK: %[[cast:.*]] = bitcast %struct.Y* %[[mem]] to i8*
39   // CHECK: call void @_CxxThrowException(i8* %[[cast]], %eh.ThrowInfo* @"_TI5?AUY@@")
40   throw y;
41 }
42 
43 void g(const int *const *y) {
44   // CHECK-LABEL: @"\01?g@@YAXPBQBH@Z"
45   // CHECK: call void @_CxxThrowException(i8* %{{.*}}, %eh.ThrowInfo* @_TIC2PAPBH)
46   throw y;
47 }
48 
49 void h(__unaligned int * __unaligned *y) {
50   // CHECK-LABEL: @"\01?h@@YAXPFAPFAH@Z"
51   // CHECK: call void @_CxxThrowException(i8* %{{.*}}, %eh.ThrowInfo* @_TIU2PAPFAH)
52   throw y;
53 }
54 
55 struct Default {
56   Default(Default &, int = 42);
57 };
58 
59 // CHECK-LABEL: @"\01??_ODefault@@QAEXAAU0@@Z"
60 // CHECK: %[[src_addr:.*]] = alloca
61 // CHECK: %[[this_addr:.*]] = alloca
62 // CHECK: store {{.*}} %src, {{.*}} %[[src_addr]], align 4
63 // CHECK: store {{.*}} %this, {{.*}} %[[this_addr]], align 4
64 // CHECK: %[[this:.*]] = load {{.*}} %[[this_addr]]
65 // CHECK: %[[src:.*]] = load {{.*}} %[[src_addr]]
66 // CHECK: call x86_thiscallcc {{.*}} @"\01??0Default@@QAE@AAU0@H@Z"({{.*}} %[[this]], {{.*}} %[[src]], i32 42)
67 // CHECK: ret void
68 
69 void h(Default &d) {
70   throw d;
71 }
72 
73 struct Variadic {
74   Variadic(Variadic &, ...);
75 };
76 
77 void i(Variadic &v) {
78   throw v;
79 }
80 
81 // CHECK-LABEL: @"\01??_OVariadic@@QAEXAAU0@@Z"
82 // CHECK:  %[[src_addr:.*]] = alloca
83 // CHECK:  %[[this_addr:.*]] = alloca
84 // CHECK:  store {{.*}} %src, {{.*}} %[[src_addr:.*]], align
85 // CHECK:  store {{.*}} %this, {{.*}} %[[this_addr:.*]], align
86 // CHECK:  %[[this:.*]] = load {{.*}} %[[this_addr]]
87 // CHECK:  %[[src:.*]] = load {{.*}} %[[src_addr]]
88 // CHECK:  call {{.*}} @"\01??0Variadic@@QAA@AAU0@ZZ"({{.*}} %[[this]], {{.*}} %[[src]])
89 // CHECK:  ret void
90 
91 struct TemplateWithDefault {
92   template <typename T>
93   static int f() {
94     return 0;
95   }
96   template <typename T = int>
97   TemplateWithDefault(TemplateWithDefault &, T = f<T>());
98 };
99 
100 void j(TemplateWithDefault &twd) {
101   throw twd;
102 }
103 
104 
105 void h() {
106   throw nullptr;
107 }
108 
109 #ifdef STD
110 namespace std {
111 template <typename T>
112 void *__GetExceptionInfo(T);
113 }
114 #else
115 template <typename T>
116 void *__GetExceptionInfo(T);
117 #endif
118 using namespace std;
119 
120 void *GetExceptionInfo_test0() {
121 // CHECK-LABEL: @"\01?GetExceptionInfo_test0@@YAPAXXZ"
122 // CHECK:  ret i8* bitcast (%eh.ThrowInfo* @_TI1H to i8*)
123   return __GetExceptionInfo(0);
124 }
125 
126 void *GetExceptionInfo_test1() {
127 // CHECK-LABEL: @"\01?GetExceptionInfo_test1@@YAPAXXZ"
128 // CHECK:  ret i8* bitcast (%eh.ThrowInfo* @_TI1P6AXXZ to i8*)
129   return __GetExceptionInfo<void (*)()>(&h);
130 }
131