clang/test/CodeGenCXX/global-array-destruction.cpp

   1 // RUN: %clang_cc1 -triple x86_64-apple-darwin -std=c++11 -emit-llvm %s -o - | FileCheck %s
   2
   3 extern "C" int printf(...);
   4
   5 int count;
   6
   7 struct S {
   8   S() : iS(++count) { printf("S::S(%d)\n", iS); }
   9   ~S() { printf("S::~S(%d)\n", iS); }
  10   int iS;
  11 };
  12
  13
  14 S arr[2][1];
  15 S s1;
  16 S arr1[3];
  17 static S sarr[4];
  18
  19 int main () {}
  20 S arr2[2];
  21 static S sarr1[4];
  22 S s2;
  23 S arr3[3];
  24
  25 // CHECK: call {{.*}} @__cxa_atexit
  26 // CHECK: call {{.*}} @__cxa_atexit
  27 // CHECK: call {{.*}} @__cxa_atexit
  28 // CHECK: call {{.*}} @__cxa_atexit
  29 // CHECK: call {{.*}} @__cxa_atexit
  30 // CHECK: call {{.*}} @__cxa_atexit
  31 // CHECK: call {{.*}} @__cxa_atexit
  32 // CHECK: call {{.*}} @__cxa_atexit
  33
  34 struct T {
  35   double d;
  36   int n;
  37   ~T();
  38 };
  39 T t[2][3] = { 1.0, 2, 3.0, 4, 5.0, 6, 7.0, 8, 9.0, 10, 11.0, 12 };
  40
  41 // CHECK: call {{.*}} @__cxa_atexit
  42 // CHECK: getelementptr inbounds (%struct.T, ptr @t, i64 6)
  43 // CHECK: call void @_ZN1TD1Ev
  44 // CHECK: icmp eq {{.*}} @t
  45 // CHECK: br i1 {{.*}}
  46
  47 static T t2[2][3] = { 1.0, 2, 3.0, 4, 5.0, 6, 7.0, 8, 9.0, 10, 11.0, 12 };
  48
  49 // CHECK: call {{.*}} @__cxa_atexit
  50 // CHECK: getelementptr inbounds (%struct.T, ptr @_ZL2t2, i64 6)
  51 // CHECK: call void @_ZN1TD1Ev
  52 // CHECK: icmp eq {{.*}} @_ZL2t2
  53 // CHECK: br i1 {{.*}}
  54
  55 using U = T[2][3];
  56 U &&u = U{ {{1.0, 2}, {3.0, 4}, {5.0, 6}}, {{7.0, 8}, {9.0, 10}, {11.0, 12}} };
  57
  58 // CHECK: call {{.*}} @__cxa_atexit
  59 // CHECK: getelementptr inbounds (%struct.T, ptr @_ZGR1u_, i64 6)
  60 // CHECK: call void @_ZN1TD1Ev
  61 // CHECK: icmp eq {{.*}} @_ZGR1u_
  62 // CHECK: br i1 {{.*}}