xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenCXX/dynamic-cast.cpp (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -I%S %s -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions -o - | FileCheck %s
2*f4a2713aSLionel Sambuc struct A { virtual void f(); };
3*f4a2713aSLionel Sambuc struct B : A { };
4*f4a2713aSLionel Sambuc 
5*f4a2713aSLionel Sambuc // CHECK: {{define.*@_Z1fP1A}}
6*f4a2713aSLionel Sambuc B fail;
f(A * a)7*f4a2713aSLionel Sambuc const B& f(A *a) {
8*f4a2713aSLionel Sambuc   try {
9*f4a2713aSLionel Sambuc     // CHECK: call i8* @__dynamic_cast
10*f4a2713aSLionel Sambuc     // CHECK: br i1
11*f4a2713aSLionel Sambuc     // CHECK: invoke void @__cxa_bad_cast() [[NR:#[0-9]+]]
12*f4a2713aSLionel Sambuc     dynamic_cast<const B&>(*a);
13*f4a2713aSLionel Sambuc   } catch (...) {
14*f4a2713aSLionel Sambuc     // CHECK:      landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
15*f4a2713aSLionel Sambuc     // CHECK-NEXT:   catch i8* null
16*f4a2713aSLionel Sambuc   }
17*f4a2713aSLionel Sambuc   return fail;
18*f4a2713aSLionel Sambuc }
19*f4a2713aSLionel Sambuc 
20*f4a2713aSLionel Sambuc // CHECK: declare i8* @__dynamic_cast(i8*, i8*, i8*, i64) [[NUW_RO:#[0-9]+]]
21*f4a2713aSLionel Sambuc 
22*f4a2713aSLionel Sambuc // CHECK: attributes [[NUW_RO]] = { nounwind readonly }
23*f4a2713aSLionel Sambuc // CHECK: attributes [[NR]] = { noreturn }
24