1 // RUN: %clang_cc1 -triple x86_64-windows -fasync-exceptions -fcxx-exceptions -fexceptions -fms-extensions -x c++ -Wno-implicit-function-declaration -emit-llvm %s -o - | FileCheck %s
2
3 // CHECK: define dso_local void @"?crash@@YAXH@Z
4 // CHECK: invoke void @llvm.seh.try.begin()
5 // CHECK: invoke void @llvm.seh.scope.begin()
6 // CHECK: invoke void @llvm.seh.scope.end()
7
8 // CHECK: %[[dst:[0-9-]+]] = catchswitch within none [label %catch] unwind to caller
9 // CHECK: %[[dst1:[0-9-]+]] = catchpad within %[[dst]] [ptr null, i32 0, ptr null]
10 // CHECK: "funclet"(token %[[dst1]])
11
12 // CHECK: define dso_local void @"?bar@@YAXXZ
13 // CHECK: invoke void @llvm.seh.try.begin()
14 // CHECK: invoke void @_CxxThrowException
15 // CHECK: %[[dst:[0-9-]+]] = catchpad within %0 [ptr null, i32 0, ptr null]
16 // CHECK: invoke void @llvm.seh.try.begin() [ "funclet"(token %[[dst]]) ]
17
18 // CHECK: invoke void @llvm.seh.try.begin()
19 // CHECK: %[[src:[0-9-]+]] = load volatile i32, ptr %i
20 // CHECK-NEXT: invoke void @"?crash@@YAXH@Z"(i32 noundef %[[src]])
21 // CHECK: invoke void @llvm.seh.try.end()
22
23 // CHECK: invoke void @llvm.seh.try.begin()
24 // CHECK: invoke void @"?bar@@YAXXZ"()
25 // CHECK: invoke void @llvm.seh.try.end()
26
27 // *****************************************************************************
28 // Abstract: Test CPP catch(...) under SEH -EHa option
29
30 void printf(...);
31 int volatile *NullPtr = 0;
foo()32 void foo() {
33 *NullPtr = 0;
34 }
35 int *pt1, *pt2, *pt3;
36 int g;
crash(int i)37 void crash(int i) {
38 g = i;
39 try {
40 struct A {
41 A() {
42 printf(" in A ctor \n");
43 if (g == 0)
44 *NullPtr = 0;
45 }
46 ~A() {
47 printf(" in A dtor \n");
48 }
49 } ObjA;
50 if (i == 1)
51 *NullPtr = 0;
52 } catch (...) {
53 printf(" in catch(...) funclet \n");
54 if (i == 1)
55 throw(i);
56 }
57 }
58
bar()59 void bar() {
60 try {
61 throw 1;
62 } catch(...) {
63 try {
64 *NullPtr = 0;
65 } catch (...) {
66 throw 1;
67 }
68 }
69 }
70
main()71 int main() {
72 for (int i = 0; i < 2; i++) {
73 __try {
74 crash(i);
75 } __except (1) {
76 printf(" Test CPP unwind: in except handler i = %d \n", i);
77 }
78 }
79 __try {
80 bar();
81 } __except (1) {
82 printf("Test CPP unwind: in except handler \n");
83 }
84 return 0;
85 }
86