1 // RUN: %clang_cc1 -triple x86_64-windows -fasync-exceptions -fcxx-exceptions -fexceptions -fms-extensions -x c++ -Wno-implicit-function-declaration -S -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]] [i8* null, i32 0, i8* null] 10 // CHECK: "funclet"(token %[[dst1]]) 11 12 // CHECK: invoke void @llvm.seh.try.begin() 13 // CHECK: %[[src:[0-9-]+]] = load volatile i32, i32* %i 14 // CHECK-NEXT: invoke void @"?crash@@YAXH@Z"(i32 %[[src]]) 15 // CHECK: invoke void @llvm.seh.try.end() 16 17 // ***************************************************************************** 18 // Abstract: Test CPP catch(...) under SEH -EHa option 19 20 void printf(...); 21 int volatile *NullPtr = 0; 22 void foo() { 23 *NullPtr = 0; 24 } 25 int *pt1, *pt2, *pt3; 26 int g; 27 void crash(int i) { 28 g = i; 29 try { 30 struct A { 31 A() { 32 printf(" in A ctor \n"); 33 if (g == 0) 34 *NullPtr = 0; 35 } 36 ~A() { 37 printf(" in A dtor \n"); 38 } 39 } ObjA; 40 if (i == 1) 41 *NullPtr = 0; 42 } catch (...) { 43 printf(" in catch(...) funclet \n"); 44 if (i == 1) 45 throw(i); 46 } 47 } 48 49 int main() { 50 for (int i = 0; i < 2; i++) { 51 __try { 52 crash(i); 53 } __except (1) { 54 printf(" Test CPP unwind: in except handler i = %d \n", i); 55 } 56 } 57 return 0; 58 } 59