1 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-STATIC-BL 2 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s -Dconstexpr= | FileCheck %s --check-prefix=CHECK-DYNAMIC-BL 3 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s -DUSE_END | FileCheck %s --check-prefix=CHECK-STATIC-BE 4 // RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s -DUSE_END -Dconstexpr= | FileCheck %s --check-prefix=CHECK-DYNAMIC-BE 5 6 namespace std { 7 typedef decltype(sizeof(int)) size_t; 8 9 template <class _E> 10 class initializer_list 11 { 12 const _E* __begin_; 13 #ifdef USE_END 14 const _E* __end_; 15 #else 16 size_t __size_; 17 #endif 18 19 constexpr initializer_list(const _E* __b, size_t __s) 20 : __begin_(__b), 21 #ifdef USE_END 22 __end_(__b + __s) 23 #else 24 __size_(__s) 25 #endif 26 {} 27 28 public: 29 typedef _E value_type; 30 typedef const _E& reference; 31 typedef const _E& const_reference; 32 typedef size_t size_type; 33 34 typedef const _E* iterator; 35 typedef const _E* const_iterator; 36 37 #ifdef USE_END 38 constexpr initializer_list() : __begin_(nullptr), __end_(nullptr) {} 39 40 size_t size() const {return __end_ - __begin_;} 41 const _E* begin() const {return __begin_;} 42 const _E* end() const {return __end_;} 43 #else 44 constexpr initializer_list() : __begin_(nullptr), __size_(0) {} 45 46 size_t size() const {return __size_;} 47 const _E* begin() const {return __begin_;} 48 const _E* end() const {return __begin_ + __size_;} 49 #endif 50 }; 51 } 52 53 constexpr int a = 2, b = 4, c = 6; 54 std::initializer_list<std::initializer_list<int>> nested = { 55 {1, a}, {3, b}, {5, c} 56 }; 57 58 // CHECK-STATIC-BL: @_ZGR6nested0_ = private constant [2 x i32] [i32 1, i32 2], align 4 59 // CHECK-STATIC-BL: @_ZGR6nested1_ = private constant [2 x i32] [i32 3, i32 4], align 4 60 // CHECK-STATIC-BL: @_ZGR6nested2_ = private constant [2 x i32] [i32 5, i32 6], align 4 61 // CHECK-STATIC-BL: @_ZGR6nested_ = private constant [3 x {{.*}}] [ 62 // CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i32 0, i32 0), i64 2 }, 63 // CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i32 0, i32 0), i64 2 }, 64 // CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i32 0, i32 0), i64 2 } 65 // CHECK-STATIC-BL: ], align 8 66 // CHECK-STATIC-BL: @nested = global {{.*}} { {{.*}} getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i32 0, i32 0), i64 3 }, align 8 67 68 // CHECK-DYNAMIC-BL: @nested = global 69 // CHECK-DYNAMIC-BL: @_ZGR6nested_ = private global [3 x 70 // CHECK-DYNAMIC-BL: @_ZGR6nested0_ = private global [2 x i32] zeroinitializer 71 // CHECK-DYNAMIC-BL: @_ZGR6nested1_ = private global [2 x i32] zeroinitializer 72 // CHECK-DYNAMIC-BL: @_ZGR6nested2_ = private global [2 x i32] zeroinitializer 73 // CHECK-DYNAMIC-BL: store i32 1, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0) 74 // CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 1) 75 // CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0), 76 // CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 0), align 8 77 // CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 1), align 8 78 // CHECK-DYNAMIC-BL: store i32 3, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0) 79 // CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 1) 80 // CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0), 81 // CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 0), align 8 82 // CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 1), align 8 83 // CHECK-DYNAMIC-BL: store i32 5, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0) 84 // CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 1) 85 // CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0), 86 // CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 0), align 8 87 // CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 1), align 8 88 // CHECK-DYNAMIC-BL: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0), 89 // CHECK-DYNAMIC-BL: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 0), align 8 90 // CHECK-DYNAMIC-BL: store i64 3, i64* getelementptr inbounds ({{.*}}* @nested, i32 0, i32 1), align 8 91 92 // CHECK-STATIC-BE: @_ZGR6nested0_ = private constant [2 x i32] [i32 1, i32 2], align 4 93 // CHECK-STATIC-BE: @_ZGR6nested1_ = private constant [2 x i32] [i32 3, i32 4], align 4 94 // CHECK-STATIC-BE: @_ZGR6nested2_ = private constant [2 x i32] [i32 5, i32 6], align 4 95 // CHECK-STATIC-BE: @_ZGR6nested_ = private constant [3 x {{.*}}] [ 96 // CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i32 0, i32 0), 97 // CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested0_ to i8*), i64 8) to i32*) } 98 // CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i32 0, i32 0), 99 // CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested1_ to i8*), i64 8) to i32*) } 100 // CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i32 0, i32 0), 101 // CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested2_ to i8*), i64 8) to i32*) } 102 // CHECK-STATIC-BE: ], align 8 103 // CHECK-STATIC-BE: @nested = global {{.*}} { {{.*}} getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i32 0, i32 0), 104 // CHECK-STATIC-BE: {{.*}} bitcast ({{.*}}* getelementptr (i8* bitcast ([3 x {{.*}}]* @_ZGR6nested_ to i8*), i64 48) to {{.*}}*) } 105 106 // CHECK-DYNAMIC-BE: @nested = global 107 // CHECK-DYNAMIC-BE: @_ZGR6nested_ = private global [3 x 108 // CHECK-DYNAMIC-BE: @_ZGR6nested0_ = private global [2 x i32] zeroinitializer 109 // CHECK-DYNAMIC-BE: @_ZGR6nested1_ = private global [2 x i32] zeroinitializer 110 // CHECK-DYNAMIC-BE: @_ZGR6nested2_ = private global [2 x i32] zeroinitializer 111 // CHECK-DYNAMIC-BE: store i32 1, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0) 112 // CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 1) 113 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0), 114 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 0), align 8 115 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 1, i64 0), 116 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 1), align 8 117 // CHECK-DYNAMIC-BE: store i32 3, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0) 118 // CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 1) 119 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0), 120 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 0), align 8 121 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 1, i64 0), 122 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 1), align 8 123 // CHECK-DYNAMIC-BE: store i32 5, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0) 124 // CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 1) 125 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0), 126 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 0), align 8 127 // CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 1, i64 0), 128 // CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 1), align 8 129 // CHECK-DYNAMIC-BE: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0), 130 // CHECK-DYNAMIC-BE: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 0), align 8 131 // CHECK-DYNAMIC-BE: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 1, i64 0), 132 // CHECK-DYNAMIC-BE: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 1), align 8 133
