Sebastian Redl | 32cf1f2 | 2012-02-17 08:42:25 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c++11 -S -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 | void fn1(int i) { |
| 36 | // CHECK: define void @_Z3fn1i |
| 37 | // temporary array |
| 38 | // CHECK: [[array:%[^ ]+]] = alloca [3 x i32] |
| 39 | // CHECK: getelementptr inbounds [3 x i32]* [[array]], i{{32|64}} 0 |
| 40 | // CHECK-NEXT: store i32 1, i32* |
| 41 | // CHECK-NEXT: getelementptr |
| 42 | // CHECK-NEXT: store |
| 43 | // CHECK-NEXT: getelementptr |
| 44 | // CHECK-NEXT: load |
| 45 | // CHECK-NEXT: store |
| 46 | // init the list |
| 47 | // CHECK-NEXT: getelementptr |
| 48 | // CHECK-NEXT: getelementptr inbounds [3 x i32]* |
| 49 | // CHECK-NEXT: store i32* |
| 50 | // CHECK-NEXT: getelementptr |
| 51 | // CHECK-NEXT: store i{{32|64}} 3 |
| 52 | std::initializer_list<int> intlist{1, 2, i}; |
| 53 | } |
| 54 | |
| 55 | struct destroyme1 { |
| 56 | ~destroyme1(); |
| 57 | }; |
| 58 | struct destroyme2 { |
| 59 | ~destroyme2(); |
| 60 | }; |
Sebastian Redl | 25e640a | 2012-02-19 12:27:51 +0000 | [diff] [blame] | 61 | struct witharg1 { |
| 62 | witharg1(const destroyme1&); |
| 63 | ~witharg1(); |
| 64 | }; |
Sebastian Redl | bac5cf4 | 2012-02-19 12:27:56 +0000 | [diff] [blame] | 65 | struct wantslist1 { |
| 66 | wantslist1(std::initializer_list<destroyme1>); |
| 67 | ~wantslist1(); |
| 68 | }; |
Sebastian Redl | 32cf1f2 | 2012-02-17 08:42:25 +0000 | [diff] [blame] | 69 | |
| 70 | void fn2() { |
| 71 | // CHECK: define void @_Z3fn2v |
| 72 | void target(std::initializer_list<destroyme1>); |
| 73 | // objects should be destroyed before dm2, after call returns |
Sebastian Redl | 25e640a | 2012-02-19 12:27:51 +0000 | [diff] [blame] | 74 | // CHECK: call void @_Z6targetSt16initializer_listI10destroyme1E |
Sebastian Redl | 32cf1f2 | 2012-02-17 08:42:25 +0000 | [diff] [blame] | 75 | target({ destroyme1(), destroyme1() }); |
| 76 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 77 | destroyme2 dm2; |
| 78 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 79 | } |
| 80 | |
| 81 | void fn3() { |
| 82 | // CHECK: define void @_Z3fn3v |
| 83 | // objects should be destroyed after dm2 |
| 84 | auto list = { destroyme1(), destroyme1() }; |
| 85 | destroyme2 dm2; |
| 86 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 87 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 88 | } |
Sebastian Redl | 25e640a | 2012-02-19 12:27:51 +0000 | [diff] [blame] | 89 | |
| 90 | void fn4() { |
| 91 | // CHECK: define void @_Z3fn4v |
| 92 | void target(std::initializer_list<witharg1>); |
| 93 | // objects should be destroyed before dm2, after call returns |
| 94 | // CHECK: call void @_ZN8witharg1C1ERK10destroyme1 |
| 95 | // CHECK: call void @_Z6targetSt16initializer_listI8witharg1E |
| 96 | target({ witharg1(destroyme1()), witharg1(destroyme1()) }); |
| 97 | // CHECK: call void @_ZN8witharg1D1Ev |
| 98 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 99 | destroyme2 dm2; |
| 100 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 101 | } |
| 102 | |
| 103 | void fn5() { |
| 104 | // CHECK: define void @_Z3fn5v |
| 105 | // temps should be destroyed before dm2 |
| 106 | // objects should be destroyed after dm2 |
| 107 | // CHECK: call void @_ZN8witharg1C1ERK10destroyme1 |
| 108 | auto list = { witharg1(destroyme1()), witharg1(destroyme1()) }; |
| 109 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 110 | destroyme2 dm2; |
| 111 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 112 | // CHECK: call void @_ZN8witharg1D1Ev |
| 113 | } |
Sebastian Redl | bac5cf4 | 2012-02-19 12:27:56 +0000 | [diff] [blame] | 114 | |
| 115 | void fn6() { |
| 116 | // CHECK: define void @_Z3fn6v |
| 117 | void target(const wantslist1&); |
| 118 | // objects should be destroyed before dm2, after call returns |
| 119 | // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E |
| 120 | // CHECK: call void @_Z6targetRK10wantslist1 |
| 121 | target({ destroyme1(), destroyme1() }); |
| 122 | // CHECK: call void @_ZN10wantslist1D1Ev |
| 123 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 124 | destroyme2 dm2; |
| 125 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 126 | } |
| 127 | |
| 128 | void fn7() { |
| 129 | // CHECK: define void @_Z3fn7v |
| 130 | // temps should be destroyed before dm2 |
| 131 | // object should be destroyed after dm2 |
| 132 | // CHECK: call void @_ZN10wantslist1C1ESt16initializer_listI10destroyme1E |
| 133 | wantslist1 wl = { destroyme1(), destroyme1() }; |
| 134 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 135 | destroyme2 dm2; |
| 136 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 137 | // CHECK: call void @_ZN10wantslist1D1Ev |
| 138 | } |
Sebastian Redl | af130fd | 2012-02-19 12:28:02 +0000 | [diff] [blame] | 139 | |
| 140 | void fn8() { |
| 141 | // CHECK: define void @_Z3fn8v |
| 142 | void target(std::initializer_list<std::initializer_list<destroyme1>>); |
| 143 | // objects should be destroyed before dm2, after call returns |
| 144 | // CHECK: call void @_Z6targetSt16initializer_listIS_I10destroyme1EE |
| 145 | std::initializer_list<destroyme1> inner; |
| 146 | target({ inner, { destroyme1() } }); |
| 147 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 148 | // Only one destroy loop, since only one inner init list is directly inited. |
| 149 | // CHECK-NOT: call void @_ZN10destroyme1D1Ev |
| 150 | destroyme2 dm2; |
| 151 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 152 | } |
| 153 | |
| 154 | void fn9() { |
| 155 | // CHECK: define void @_Z3fn9v |
| 156 | // objects should be destroyed after dm2 |
| 157 | std::initializer_list<destroyme1> inner; |
| 158 | std::initializer_list<std::initializer_list<destroyme1>> list = |
| 159 | { inner, { destroyme1() } }; |
| 160 | destroyme2 dm2; |
| 161 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 162 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 163 | // Only one destroy loop, since only one inner init list is directly inited. |
| 164 | // CHECK-NOT: call void @_ZN10destroyme1D1Ev |
| 165 | // CHECK: ret void |
| 166 | } |
Sebastian Redl | 924db71 | 2012-02-19 15:41:54 +0000 | [diff] [blame^] | 167 | |
| 168 | struct haslist1 { |
| 169 | std::initializer_list<int> il; |
| 170 | haslist1(); |
| 171 | }; |
| 172 | |
| 173 | // CHECK: define void @_ZN8haslist1C2Ev |
| 174 | haslist1::haslist1() |
| 175 | // CHECK: alloca [3 x i32] |
| 176 | // CHECK: store i32 1 |
| 177 | // CHECK: store i32 2 |
| 178 | // CHECK: store i32 3 |
| 179 | // CHECK: store i{{32|64}} 3 |
| 180 | : il{1, 2, 3} |
| 181 | { |
| 182 | destroyme2 dm2; |
| 183 | } |
| 184 | |
| 185 | struct haslist2 { |
| 186 | std::initializer_list<destroyme1> il; |
| 187 | haslist2(); |
| 188 | }; |
| 189 | |
| 190 | // CHECK: define void @_ZN8haslist2C2Ev |
| 191 | haslist2::haslist2() |
| 192 | : il{destroyme1(), destroyme1()} |
| 193 | { |
| 194 | destroyme2 dm2; |
| 195 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 196 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 197 | } |