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      1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s
      2 
      3 namespace std {
      4   typedef decltype(sizeof(int)) size_t;
      5 
      6   // libc++'s implementation
      7   template <class _E>
      8   class initializer_list
      9   {
     10     const _E* __begin_;
     11     size_t    __size_;
     12 
     13     initializer_list(const _E* __b, size_t __s)
     14       : __begin_(__b),
     15         __size_(__s)
     16     {}
     17 
     18   public:
     19     typedef _E        value_type;
     20     typedef const _E& reference;
     21     typedef const _E& const_reference;
     22     typedef size_t    size_type;
     23 
     24     typedef const _E* iterator;
     25     typedef const _E* const_iterator;
     26 
     27     initializer_list() : __begin_(nullptr), __size_(0) {}
     28 
     29     size_t    size()  const {return __size_;}
     30     const _E* begin() const {return __begin_;}
     31     const _E* end()   const {return __begin_ + __size_;}
     32   };
     33 }
     34 
     35 struct destroyme1 {
     36   ~destroyme1();
     37 };
     38 struct destroyme2 {
     39   ~destroyme2();
     40 };
     41 struct witharg1 {
     42   witharg1(const destroyme1&);
     43   ~witharg1();
     44 };
     45 struct wantslist1 {
     46   wantslist1(std::initializer_list<destroyme1>);
     47   ~wantslist1();
     48 };
     49 
     50 // CHECK: @_ZGR15globalInitList1_ = internal constant [3 x i32] [i32 1, i32 2, i32 3]
     51 // CHECK: @globalInitList1 = global %{{[^ ]+}} { i32* getelementptr inbounds ([3 x i32], [3 x i32]* @_ZGR15globalInitList1_, i32 0, i32 0), i{{32|64}} 3 }
     52 std::initializer_list<int> globalInitList1 = {1, 2, 3};
     53 
     54 namespace thread_local_global_array {
     55   // FIXME: We should be able to constant-evaluate this even though the
     56   // initializer is not a constant expression (pointers to thread_local
     57   // objects aren't really a problem).
     58   //
     59   // CHECK: @_ZN25thread_local_global_array1xE = thread_local global
     60   // CHECK: @_ZGRN25thread_local_global_array1xE_ = internal thread_local constant [4 x i32] [i32 1, i32 2, i32 3, i32 4]
     61   std::initializer_list<int> thread_local x = { 1, 2, 3, 4 };
     62 }
     63 
     64 // CHECK: @globalInitList2 = global %{{[^ ]+}} zeroinitializer
     65 // CHECK: @_ZGR15globalInitList2_ = internal global [2 x %[[WITHARG:[^ ]*]]] zeroinitializer
     66 
     67 // CHECK: @_ZN15partly_constant1kE = global i32 0, align 4
     68 // CHECK: @_ZN15partly_constant2ilE = global {{.*}} null, align 8
     69 // CHECK: @[[PARTLY_CONSTANT_OUTER:_ZGRN15partly_constant2ilE.*]] = internal global {{.*}} zeroinitializer, align 8
     70 // CHECK: @[[PARTLY_CONSTANT_INNER:_ZGRN15partly_constant2ilE.*]] = internal global [3 x {{.*}}] zeroinitializer, align 8
     71 // CHECK: @[[PARTLY_CONSTANT_FIRST:_ZGRN15partly_constant2ilE.*]] = internal constant [3 x i32] [i32 1, i32 2, i32 3], align 4
     72 // CHECK: @[[PARTLY_CONSTANT_SECOND:_ZGRN15partly_constant2ilE.*]] = internal global [2 x i32] zeroinitializer, align 4
     73 // CHECK: @[[PARTLY_CONSTANT_THIRD:_ZGRN15partly_constant2ilE.*]] = internal constant [4 x i32] [i32 5, i32 6, i32 7, i32 8], align 4
     74 
     75 // CHECK: @[[REFTMP1:.*]] = private constant [2 x i32] [i32 42, i32 43], align 4
     76 // CHECK: @[[REFTMP2:.*]] = private constant [3 x %{{.*}}] [%{{.*}} { i32 1 }, %{{.*}} { i32 2 }, %{{.*}} { i32 3 }], align 4
     77 
     78 // CHECK: appending global
     79 
     80 
     81 // thread_local initializer:
     82 // CHECK-LABEL: define internal void
     83 // CHECK: store i32* getelementptr inbounds ([4 x i32], [4 x i32]* @_ZGRN25thread_local_global_array1xE_, i64 0, i64 0),
     84 // CHECK:       i32** getelementptr inbounds ({{.*}}, {{.*}}* @_ZN25thread_local_global_array1xE, i32 0, i32 0), align 8
     85 // CHECK: store i64 4, i64* getelementptr inbounds ({{.*}}, {{.*}}* @_ZN25thread_local_global_array1xE, i32 0, i32 1), align 8
     86 
     87 
     88 // CHECK-LABEL: define internal void
     89 // CHECK: call void @_ZN8witharg1C1ERK10destroyme1(%[[WITHARG]]* getelementptr inbounds ([2 x %[[WITHARG]]], [2 x %[[WITHARG]]]* @_ZGR15globalInitList2_, i{{32|64}} 0, i{{32|64}} 0
     90 // CHECK: call void @_ZN8witharg1C1ERK10destroyme1(%[[WITHARG]]* getelementptr inbounds ([2 x %[[WITHARG]]], [2 x %[[WITHARG]]]* @_ZGR15globalInitList2_, i{{32|64}} 0, i{{32|64}} 1
     91 // CHECK: __cxa_atexit
     92 // CHECK: store %[[WITHARG]]* getelementptr inbounds ([2 x %[[WITHARG]]], [2 x %[[WITHARG]]]* @_ZGR15globalInitList2_, i64 0, i64 0),
     93 // CHECK:       %[[WITHARG]]** getelementptr inbounds (%{{.*}}, %{{.*}}* @globalInitList2, i32 0, i32 0), align 8
     94 // CHECK: store i64 2, i64* getelementptr inbounds (%{{.*}}, %{{.*}}* @globalInitList2, i32 0, i32 1), align 8
     95 // CHECK: call void @_ZN10destroyme1D1Ev
     96 // CHECK: call void @_ZN10destroyme1D1Ev
     97 std::initializer_list<witharg1> globalInitList2 = {
     98   witharg1(destroyme1()), witharg1(destroyme1())
     99 };
    100 
    101 void fn1(int i) {
    102   // CHECK-LABEL: define void @_Z3fn1i
    103   // temporary array
    104   // CHECK: [[array:%[^ ]+]] = alloca [3 x i32]
    105   // CHECK: getelementptr inbounds [3 x i32], [3 x i32]* [[array]], i{{32|64}} 0
    106   // CHECK-NEXT: store i32 1, i32*
    107   // CHECK-NEXT: getelementptr
    108   // CHECK-NEXT: store
    109   // CHECK-NEXT: getelementptr
    110   // CHECK-NEXT: load
    111   // CHECK-NEXT: store
    112   // init the list
    113   // CHECK-NEXT: getelementptr
    114   // CHECK-NEXT: getelementptr inbounds [3 x i32], [3 x i32]*
    115   // CHECK-NEXT: store i32*
    116   // CHECK-NEXT: getelementptr
    117   // CHECK-NEXT: store i{{32|64}} 3
    118   std::initializer_list<int> intlist{1, 2, i};
    119 }
    120 
    121 void fn2() {
    122   // CHECK-LABEL: define void @_Z3fn2v
    123   void target(std::initializer_list<destroyme1>);
    124   // objects should be destroyed before dm2, after call returns
    125   // CHECK: call void @_Z6targetSt16initializer_listI10destroyme1E
    126   target({ destroyme1(), destroyme1() });
    127   // CHECK: call void @_ZN10destroyme1D1Ev
    128   destroyme2 dm2;
    129   // CHECK: call void @_ZN10destroyme2D1Ev
    130 }
    131 
    132 void fn3() {
    133   // CHECK-LABEL: define void @_Z3fn3v
    134   // objects should be destroyed after dm2
    135   auto list = { destroyme1(), destroyme1() };
    136   destroyme2 dm2;
    137   // CHECK: call void @_ZN10destroyme2D1Ev
    138   // CHECK: call void @_ZN10destroyme1D1Ev
    139 }
    140 
    141 void fn4() {
    142   // CHECK-LABEL: define void @_Z3fn4v
    143   void target(std::initializer_list<witharg1>);
    144   // objects should be destroyed before dm2, after call returns
    145   // CHECK: call void @_ZN8witharg1C1ERK10destroyme1
    146   // CHECK: call void @_Z6targetSt16initializer_listI8witharg1E
    147   target({ witharg1(destroyme1()), witharg1(destroyme1()) });
    148   // CHECK: call void @_ZN8witharg1D1Ev
    149   // CHECK: call void @_ZN10destroyme1D1Ev
    150   destroyme2 dm2;
    151   // CHECK: call void @_ZN10destroyme2D1Ev
    152 }
    153 
    154 void fn5() {
    155   // CHECK-LABEL: define void @_Z3fn5v
    156   // temps should be destroyed before dm2
    157   // objects should be destroyed after dm2
    158   // CHECK: call void @_ZN8witharg1C1ERK10destroyme1
    159   auto list = { witharg1(destroyme1()), witharg1(destroyme1()) };
    160   // CHECK: call void @_ZN10destroyme1D1Ev
    161   destroyme2 dm2;
    162   // CHECK: call void @_ZN10destroyme2D1Ev
    163   // CHECK: call void @_ZN8witharg1D1Ev
    164 }
    165 
    166 void fn6() {
    167   // CHECK-LABEL: define void @_Z3fn6v
    168   void target(const wantslist1&);
    169   // objects should be destroyed before dm2, after call returns
    170   // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E
    171   // CHECK: call void @_Z6targetRK10wantslist1
    172   target({ destroyme1(), destroyme1() });
    173   // CHECK: call void @_ZN10wantslist1D1Ev
    174   // CHECK: call void @_ZN10destroyme1D1Ev
    175   destroyme2 dm2;
    176   // CHECK: call void @_ZN10destroyme2D1Ev
    177 }
    178 
    179 void fn7() {
    180   // CHECK-LABEL: define void @_Z3fn7v
    181   // temps should be destroyed before dm2
    182   // object should be destroyed after dm2
    183   // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E
    184   wantslist1 wl = { destroyme1(), destroyme1() };
    185   // CHECK: call void @_ZN10destroyme1D1Ev
    186   destroyme2 dm2;
    187   // CHECK: call void @_ZN10destroyme2D1Ev
    188   // CHECK: call void @_ZN10wantslist1D1Ev
    189 }
    190 
    191 void fn8() {
    192   // CHECK-LABEL: define void @_Z3fn8v
    193   void target(std::initializer_list<std::initializer_list<destroyme1>>);
    194   // objects should be destroyed before dm2, after call returns
    195   // CHECK: call void @_Z6targetSt16initializer_listIS_I10destroyme1EE
    196   std::initializer_list<destroyme1> inner;
    197   target({ inner, { destroyme1() } });
    198   // CHECK: call void @_ZN10destroyme1D1Ev
    199   // Only one destroy loop, since only one inner init list is directly inited.
    200   // CHECK-NOT: call void @_ZN10destroyme1D1Ev
    201   destroyme2 dm2;
    202   // CHECK: call void @_ZN10destroyme2D1Ev
    203 }
    204 
    205 void fn9() {
    206   // CHECK-LABEL: define void @_Z3fn9v
    207   // objects should be destroyed after dm2
    208   std::initializer_list<destroyme1> inner;
    209   std::initializer_list<std::initializer_list<destroyme1>> list =
    210       { inner, { destroyme1() } };
    211   destroyme2 dm2;
    212   // CHECK: call void @_ZN10destroyme2D1Ev
    213   // CHECK: call void @_ZN10destroyme1D1Ev
    214   // Only one destroy loop, since only one inner init list is directly inited.
    215   // CHECK-NOT: call void @_ZN10destroyme1D1Ev
    216   // CHECK: ret void
    217 }
    218 
    219 struct haslist1 {
    220   std::initializer_list<int> il;
    221   haslist1(int i);
    222 };
    223 
    224 // CHECK-LABEL: define void @_ZN8haslist1C2Ei
    225 haslist1::haslist1(int i)
    226 // CHECK: alloca [3 x i32]
    227 // CHECK: store i32 %
    228 // CHECK: store i32 2
    229 // CHECK: store i32 3
    230   : il{i, 2, 3}
    231 {
    232   destroyme2 dm2;
    233 }
    234 
    235 struct haslist2 {
    236   std::initializer_list<destroyme1> il;
    237   haslist2();
    238 };
    239 
    240 // CHECK-LABEL: define void @_ZN8haslist2C2Ev
    241 haslist2::haslist2()
    242   : il{destroyme1(), destroyme1()}
    243 {
    244   destroyme2 dm2;
    245   // CHECK: call void @_ZN10destroyme2D1Ev
    246   // CHECK: call void @_ZN10destroyme1D1Ev
    247 }
    248 
    249 void fn10(int i) {
    250   // CHECK-LABEL: define void @_Z4fn10i
    251   // CHECK: alloca [3 x i32]
    252   // CHECK: call noalias i8* @_Znw{{[jm]}}
    253   // CHECK: store i32 %
    254   // CHECK: store i32 2
    255   // CHECK: store i32 3
    256   // CHECK: store i32*
    257   (void) new std::initializer_list<int> {i, 2, 3};
    258 }
    259 
    260 void fn11() {
    261   // CHECK-LABEL: define void @_Z4fn11v
    262   (void) new std::initializer_list<destroyme1> {destroyme1(), destroyme1()};
    263   // CHECK: call void @_ZN10destroyme1D1Ev
    264   destroyme2 dm2;
    265   // CHECK: call void @_ZN10destroyme2D1Ev
    266 }
    267 
    268 namespace PR12178 {
    269   struct string {
    270     string(int);
    271     ~string();
    272   };
    273 
    274   struct pair {
    275     string a;
    276     int b;
    277   };
    278 
    279   struct map {
    280     map(std::initializer_list<pair>);
    281   };
    282 
    283   map m{ {1, 2}, {3, 4} };
    284 }
    285 
    286 namespace rdar13325066 {
    287   struct X { ~X(); };
    288 
    289   // CHECK-LABEL: define void @_ZN12rdar133250664loopERNS_1XES1_
    290   void loop(X &x1, X &x2) {
    291     // CHECK: br label
    292     // CHECK: br i1
    293     // CHECK: br label
    294     // CHECK: call void @_ZN12rdar133250661XD1Ev
    295     // CHECK: br label
    296     // CHECK: br label
    297     // CHECK: call void @_ZN12rdar133250661XD1Ev
    298     // CHECK: br i1
    299     // CHECK: br label
    300     // CHECK: ret void
    301     for (X x : { x1, x2 }) { }
    302   }
    303 }
    304 
    305 namespace dtors {
    306   struct S {
    307     S();
    308     ~S();
    309   };
    310   void z();
    311 
    312   // CHECK-LABEL: define void @_ZN5dtors1fEv(
    313   void f() {
    314     // CHECK: call void @_ZN5dtors1SC1Ev(
    315     // CHECK: call void @_ZN5dtors1SC1Ev(
    316     std::initializer_list<S>{ S(), S() };
    317 
    318     // Destruction loop for underlying array.
    319     // CHECK: br label
    320     // CHECK: call void @_ZN5dtors1SD1Ev(
    321     // CHECK: br i1
    322 
    323     // CHECK: call void @_ZN5dtors1zEv(
    324     z();
    325 
    326     // CHECK-NOT: call void @_ZN5dtors1SD1Ev(
    327   }
    328 
    329   // CHECK-LABEL: define void @_ZN5dtors1gEv(
    330   void g() {
    331     // CHECK: call void @_ZN5dtors1SC1Ev(
    332     // CHECK: call void @_ZN5dtors1SC1Ev(
    333     auto x = std::initializer_list<S>{ S(), S() };
    334 
    335     // Destruction loop for underlying array.
    336     // CHECK: br label
    337     // CHECK: call void @_ZN5dtors1SD1Ev(
    338     // CHECK: br i1
    339 
    340     // CHECK: call void @_ZN5dtors1zEv(
    341     z();
    342 
    343     // CHECK-NOT: call void @_ZN5dtors1SD1Ev(
    344   }
    345 
    346   // CHECK-LABEL: define void @_ZN5dtors1hEv(
    347   void h() {
    348     // CHECK: call void @_ZN5dtors1SC1Ev(
    349     // CHECK: call void @_ZN5dtors1SC1Ev(
    350     std::initializer_list<S> x = { S(), S() };
    351 
    352     // CHECK-NOT: call void @_ZN5dtors1SD1Ev(
    353 
    354     // CHECK: call void @_ZN5dtors1zEv(
    355     z();
    356 
    357     // Destruction loop for underlying array.
    358     // CHECK: br label
    359     // CHECK: call void @_ZN5dtors1SD1Ev(
    360     // CHECK: br i1
    361   }
    362 }
    363 
    364 namespace partly_constant {
    365   int k;
    366   std::initializer_list<std::initializer_list<int>> &&il = { { 1, 2, 3 }, { 4, k }, { 5, 6, 7, 8 } };
    367   // First init list.
    368   // CHECK-NOT: @[[PARTLY_CONSTANT_FIRST]],
    369   // CHECK: store i32* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_FIRST]], i64 0, i64 0),
    370   // CHECK:       i32** getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 0, i32 0)
    371   // CHECK: store i64 3, i64* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 0, i32 1)
    372   // CHECK-NOT: @[[PARTLY_CONSTANT_FIRST]],
    373   //
    374   // Second init list array (non-constant).
    375   // CHECK: store i32 4, i32* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_SECOND]], i64 0, i64 0)
    376   // CHECK: load i32, i32* @_ZN15partly_constant1kE
    377   // CHECK: store i32 {{.*}}, i32* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_SECOND]], i64 0, i64 1)
    378   //
    379   // Second init list.
    380   // CHECK: store i32* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_SECOND]], i64 0, i64 0),
    381   // CHECK:       i32** getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 1, i32 0)
    382   // CHECK: store i64 2, i64* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 1, i32 1)
    383   //
    384   // Third init list.
    385   // CHECK-NOT: @[[PARTLY_CONSTANT_THIRD]],
    386   // CHECK: store i32* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_THIRD]], i64 0, i64 0),
    387   // CHECK:       i32** getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 2, i32 0)
    388   // CHECK: store i64 4, i64* getelementptr inbounds ({{.*}}, {{.*}}* @_ZGRN15partly_constant2ilE4_, i64 0, i64 2, i32 1)
    389   // CHECK-NOT: @[[PARTLY_CONSTANT_THIRD]],
    390   //
    391   // Outer init list.
    392   // CHECK: store {{.*}}* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_INNER]], i64 0, i64 0),
    393   // CHECK:       {{.*}}** getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_OUTER]], i32 0, i32 0)
    394   // CHECK: store i64 3, i64* getelementptr inbounds ({{.*}}, {{.*}}* @[[PARTLY_CONSTANT_OUTER]], i32 0, i32 1)
    395   //
    396   // 'il' reference.
    397   // CHECK: store {{.*}}* @[[PARTLY_CONSTANT_OUTER]], {{.*}}** @_ZN15partly_constant2ilE, align 8
    398 }
    399 
    400 namespace nested {
    401   struct A { A(); ~A(); };
    402   struct B { const A &a; ~B(); };
    403   struct C { std::initializer_list<B> b; ~C(); };
    404   void f();
    405   // CHECK-LABEL: define void @_ZN6nested1gEv(
    406   void g() {
    407     // CHECK: call void @_ZN6nested1AC1Ev(
    408     // CHECK-NOT: call
    409     // CHECK: call void @_ZN6nested1AC1Ev(
    410     // CHECK-NOT: call
    411     const C &c { { { A() }, { A() } } };
    412 
    413     // CHECK: call void @_ZN6nested1fEv(
    414     // CHECK-NOT: call
    415     f();
    416 
    417     // CHECK: call void @_ZN6nested1CD1Ev(
    418     // CHECK-NOT: call
    419 
    420     // Destroy B[2] array.
    421     // FIXME: This isn't technically correct: reverse construction order would
    422     // destroy the second B then the second A then the first B then the first A.
    423     // CHECK: call void @_ZN6nested1BD1Ev(
    424     // CHECK-NOT: call
    425     // CHECK: br
    426 
    427     // CHECK-NOT: call
    428     // CHECK: call void @_ZN6nested1AD1Ev(
    429     // CHECK-NOT: call
    430     // CHECK: call void @_ZN6nested1AD1Ev(
    431     // CHECK-NOT: call
    432     // CHECK: }
    433   }
    434 }
    435 
    436 namespace DR1070 {
    437   struct A {
    438     A(std::initializer_list<int>);
    439   };
    440   struct B {
    441     int i;
    442     A a;
    443   };
    444   B b = {1};
    445   struct C {
    446     std::initializer_list<int> a;
    447     B b;
    448     std::initializer_list<double> c;
    449   };
    450   C c = {};
    451 }
    452 
    453 namespace ArrayOfInitList {
    454   struct S {
    455     S(std::initializer_list<int>);
    456   };
    457   S x[1] = {};
    458 }
    459 
    460 namespace PR20445 {
    461   struct vector { vector(std::initializer_list<int>); };
    462   struct MyClass { explicit MyClass(const vector &v); };
    463   template<int x> void f() { new MyClass({42, 43}); }
    464   template void f<0>();
    465   // CHECK-LABEL: define {{.*}} @_ZN7PR204451fILi0EEEvv(
    466   // CHECK: store i32* getelementptr inbounds ([2 x i32], [2 x i32]* @[[REFTMP1]], i64 0, i64 0)
    467   // CHECK: call void @_ZN7PR204456vectorC1ESt16initializer_listIiE(
    468   // CHECK: call void @_ZN7PR204457MyClassC1ERKNS_6vectorE(
    469 }
    470 
    471 namespace ConstExpr {
    472   class C {
    473     int x;
    474   public:
    475     constexpr C(int x) : x(x) {}
    476   };
    477   void f(std::initializer_list<C>);
    478   void g() {
    479 // CHECK-LABEL: _ZN9ConstExpr1gEv
    480 // CHECK: store %"class.ConstExpr::C"* getelementptr inbounds ([3 x %"class.ConstExpr::C"], [3 x %"class.ConstExpr::C"]* @[[REFTMP2]], i64 0, i64 0)
    481 // CHECK: call void @_ZN9ConstExpr1fESt16initializer_listINS_1CEE
    482     f({C(1), C(2), C(3)});
    483   }
    484 }
    485 
    486 namespace B19773010 {
    487   template <class T1, class T2> struct pair {
    488     T1 first;
    489     T2 second;
    490     constexpr pair() : first(), second() {}
    491     constexpr pair(T1 a, T2 b) : first(a), second(b) {}
    492   };
    493 
    494   enum E { ENUM_CONSTANT };
    495   struct testcase {
    496     testcase(std::initializer_list<pair<const char *, E>>);
    497   };
    498   void f1() {
    499     // CHECK-LABEL: @_ZN9B197730102f1Ev
    500     testcase a{{"", ENUM_CONSTANT}};
    501     // CHECK: store %"struct.B19773010::pair"* getelementptr inbounds ([1 x %"struct.B19773010::pair"], [1 x %"struct.B19773010::pair"]* bitcast ([1 x { i8*, i32 }]* @.ref.tmp{{.*}} to [1 x %"struct.B19773010::pair"]*), i64 0, i64 0), %"struct.B19773010::pair"** %{{.*}}, align 8
    502   }
    503   void f2() {
    504     // CHECK-LABEL: @_ZN9B197730102f2Ev
    505     // CHECK: store %"struct.B19773010::pair"* getelementptr inbounds ([1 x %"struct.B19773010::pair"], [1 x %"struct.B19773010::pair"]* bitcast ([1 x { i8*, i32 }]* @_ZGRZN9B197730102f2EvE1p_ to [1 x %"struct.B19773010::pair"]*), i64 0, i64 0), %"struct.B19773010::pair"** getelementptr inbounds ([2 x %"class.std::initializer_list.10"], [2 x %"class.std::initializer_list.10"]* @_ZZN9B197730102f2EvE1p, i64 0, i64 1, i32 0), align 16
    506     static std::initializer_list<pair<const char *, E>> a, p[2] =
    507         {a, {{"", ENUM_CONSTANT}}};
    508   }
    509 
    510   void PR22940_helper(const pair<void*, int>&) { }
    511   void PR22940() {
    512     // CHECK-LABEL: @_ZN9B197730107PR22940Ev
    513     // CHECK: call {{.*}} @_ZN9B197730104pairIPviEC{{.}}Ev(
    514     // CHECK: call {{.*}} @_ZN9B1977301014PR22940_helperERKNS_4pairIPviEE(
    515     PR22940_helper(pair<void*, int>());
    516   }
    517 }
    518