David Blaikie | 1b76fbc | 2012-09-10 23:06:08 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -std=c++11 -S -triple x86_64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s |
Sebastian Redl | b859d50 | 2012-02-19 12:27:47 +0000 | [diff] [blame] | 2 | |
| 3 | namespace std { |
| 4 | typedef decltype(sizeof(int)) size_t; |
| 5 | |
| 6 | // libc++'s implementation with __size_ replaced by __end_ |
| 7 | template <class _E> |
| 8 | class initializer_list |
| 9 | { |
| 10 | const _E* __begin_; |
| 11 | const _E* __end_; |
| 12 | |
| 13 | initializer_list(const _E* __b, const _E* __e) |
| 14 | : __begin_(__b), |
| 15 | __end_(__e) |
| 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), __end_(nullptr) {} |
| 28 | |
| 29 | size_t size() const {return __end_ - __begin_;} |
| 30 | const _E* begin() const {return __begin_;} |
| 31 | const _E* end() const {return __end_;} |
| 32 | }; |
| 33 | } |
| 34 | |
Sebastian Redl | 19b1a6e | 2012-02-25 20:51:20 +0000 | [diff] [blame] | 35 | // CHECK: @_ZL25globalInitList1__initlist = internal global [3 x i32] [i32 1, i32 2, i32 3] |
| 36 | // CHECK: @globalInitList1 = global {{[^ ]+}} { i32* getelementptr inbounds ([3 x i32]* @_ZL25globalInitList1__initlist, {{[^)]*}}), i32* |
| 37 | std::initializer_list<int> globalInitList1 = {1, 2, 3}; |
| 38 | |
Sebastian Redl | b859d50 | 2012-02-19 12:27:47 +0000 | [diff] [blame] | 39 | void fn1(int i) { |
| 40 | // CHECK: define void @_Z3fn1i |
| 41 | // temporary array |
| 42 | // CHECK: [[array:%[^ ]+]] = alloca [3 x i32] |
| 43 | // CHECK: getelementptr inbounds [3 x i32]* [[array]], i{{32|64}} 0 |
| 44 | // CHECK-NEXT: store i32 1, i32* |
| 45 | // CHECK-NEXT: getelementptr |
| 46 | // CHECK-NEXT: store |
| 47 | // CHECK-NEXT: getelementptr |
| 48 | // CHECK-NEXT: load |
| 49 | // CHECK-NEXT: store |
| 50 | // init the list |
| 51 | // CHECK-NEXT: getelementptr |
| 52 | // CHECK-NEXT: getelementptr inbounds [3 x i32]* |
| 53 | // CHECK-NEXT: store i32* |
| 54 | // CHECK-NEXT: getelementptr |
| 55 | // CHECK-NEXT: getelementptr inbounds [3 x i32]* [[array]], i{{32|64}} 0, i{{32|64}} 3 |
| 56 | // CHECK-NEXT: store i32* |
| 57 | std::initializer_list<int> intlist{1, 2, i}; |
| 58 | } |
| 59 | |
| 60 | struct destroyme1 { |
| 61 | ~destroyme1(); |
| 62 | }; |
| 63 | struct destroyme2 { |
| 64 | ~destroyme2(); |
| 65 | }; |
| 66 | |
| 67 | |
| 68 | void fn2() { |
| 69 | // CHECK: define void @_Z3fn2v |
| 70 | void target(std::initializer_list<destroyme1>); |
| 71 | // objects should be destroyed before dm2, after call returns |
| 72 | target({ destroyme1(), destroyme1() }); |
| 73 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 74 | destroyme2 dm2; |
| 75 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 76 | } |
| 77 | |
| 78 | void fn3() { |
| 79 | // CHECK: define void @_Z3fn3v |
| 80 | // objects should be destroyed after dm2 |
| 81 | auto list = { destroyme1(), destroyme1() }; |
| 82 | destroyme2 dm2; |
| 83 | // CHECK: call void @_ZN10destroyme2D1Ev |
| 84 | // CHECK: call void @_ZN10destroyme1D1Ev |
| 85 | } |