condition.cpp revision 01234bbc1cb94946df8046ad95e17537082b4f71 
1// RUN: clang-cc -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
2void *f();
3
4template <typename T> T* g() {
5 if (T* t = f())
6   return t;
7
8 return 0;
9}
10
11void h() {
12 void *a = g<void>();
13}
14
15struct X {
16  X();
17  ~X();
18  operator bool();
19};
20
21struct Y {
22  Y();
23  ~Y();
24};
25
26void if_destruct(int z) {
27  // Verify that the condition variable is destroyed at the end of the
28  // "if" statement.
29  // CHECK: call void @_ZN1XC1Ev
30  // CHECK: call zeroext i1 @_ZN1XcvbEv
31  if (X x = X()) {
32    // CHECK: store i32 18
33    z = 18;
34  }
35  // CHECK: call void @_ZN1XD1Ev
36  // CHECK: store i32 17
37  z = 17;
38
39  // CHECK: call void @_ZN1XC1Ev
40  if (X x = X())
41    Y y;
42  // CHECK: if.then
43  // CHECK: call  void @_ZN1YC1Ev
44  // CHECK: call  void @_ZN1YD1Ev
45  // CHECK: if.end
46  // CHECK: call  void @_ZN1XD1Ev
47}
48