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_ = internal constant [2 x i32] [i32 1, i32 2], align 4 59 // CHECK-STATIC-BL: @_ZGR6nested1_ = internal constant [2 x i32] [i32 3, i32 4], align 4 60 // CHECK-STATIC-BL: @_ZGR6nested2_ = internal constant [2 x i32] [i32 5, i32 6], align 4 61 // CHECK-STATIC-BL: @_ZGR6nested_ = internal constant [3 x {{.*}}] [ 62 // CHECK-STATIC-BL: {{.*}} { ptr @_ZGR6nested0_, i64 2 }, 63 // CHECK-STATIC-BL: {{.*}} { ptr @_ZGR6nested1_, i64 2 }, 64 // CHECK-STATIC-BL: {{.*}} { ptr @_ZGR6nested2_, i64 2 } 65 // CHECK-STATIC-BL: ], align 8 66 // CHECK-STATIC-BL: @nested ={{.*}} global {{.*}} { {{.*}} @_ZGR6nested_, i64 3 }, align 8 67 68 // CHECK-DYNAMIC-BL: @nested ={{.*}} global 69 // CHECK-DYNAMIC-BL: @_ZGR6nested_ = internal global [3 x 70 // CHECK-DYNAMIC-BL: @_ZGR6nested0_ = internal global [2 x i32] zeroinitializer 71 // CHECK-DYNAMIC-BL: @_ZGR6nested1_ = internal global [2 x i32] zeroinitializer 72 // CHECK-DYNAMIC-BL: @_ZGR6nested2_ = internal global [2 x i32] zeroinitializer 73 // CHECK-DYNAMIC-BL: store i32 1, ptr @_ZGR6nested0_ 74 // CHECK-DYNAMIC-BL: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested0_, i64 1) 75 // CHECK-DYNAMIC-BL: store ptr @_ZGR6nested0_, 76 // CHECK-DYNAMIC-BL: ptr @_ZGR6nested_, align 8 77 // CHECK-DYNAMIC-BL: store i64 2, ptr getelementptr inbounds nuw ({{.*}}, ptr @_ZGR6nested_, i32 0, i32 1), align 8 78 // CHECK-DYNAMIC-BL: store i32 3, ptr @_ZGR6nested1_ 79 // CHECK-DYNAMIC-BL: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested1_, i64 1) 80 // CHECK-DYNAMIC-BL: store ptr @_ZGR6nested1_, 81 // CHECK-DYNAMIC-BL: ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 1), align 8 82 // CHECK-DYNAMIC-BL: store i64 2, ptr getelementptr inbounds nuw ({{.*}}, ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 1), i32 0, i32 1), align 8 83 // CHECK-DYNAMIC-BL: store i32 5, ptr @_ZGR6nested2_ 84 // CHECK-DYNAMIC-BL: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested2_, i64 1) 85 // CHECK-DYNAMIC-BL: store ptr @_ZGR6nested2_, 86 // CHECK-DYNAMIC-BL: ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 2), align 8 87 // CHECK-DYNAMIC-BL: store i64 2, ptr getelementptr inbounds nuw ({{.*}}, ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 2), i32 0, i32 1), align 8 88 // CHECK-DYNAMIC-BL: store ptr @_ZGR6nested_, 89 // CHECK-DYNAMIC-BL: ptr @nested, align 8 90 // CHECK-DYNAMIC-BL: store i64 3, ptr getelementptr inbounds nuw ({{.*}}, ptr @nested, i32 0, i32 1), align 8 91 92 // CHECK-STATIC-BE: @_ZGR6nested0_ = internal constant [2 x i32] [i32 1, i32 2], align 4 93 // CHECK-STATIC-BE: @_ZGR6nested1_ = internal constant [2 x i32] [i32 3, i32 4], align 4 94 // CHECK-STATIC-BE: @_ZGR6nested2_ = internal constant [2 x i32] [i32 5, i32 6], align 4 95 // CHECK-STATIC-BE: @_ZGR6nested_ = internal constant [3 x {{.*}}] [ 96 // CHECK-STATIC-BE: {{.*}} { ptr @_ZGR6nested0_, 97 // CHECK-STATIC-BE: ptr getelementptr (i8, ptr @_ZGR6nested0_, i64 8) } 98 // CHECK-STATIC-BE: {{.*}} { ptr @_ZGR6nested1_, 99 // CHECK-STATIC-BE: ptr getelementptr (i8, ptr @_ZGR6nested1_, i64 8) } 100 // CHECK-STATIC-BE: {{.*}} { ptr @_ZGR6nested2_, 101 // CHECK-STATIC-BE: ptr getelementptr (i8, ptr @_ZGR6nested2_, i64 8) } 102 // CHECK-STATIC-BE: ], align 8 103 // CHECK-STATIC-BE: @nested ={{.*}} global {{.*}} { ptr @_ZGR6nested_, 104 // CHECK-STATIC-BE: {{.*}} getelementptr (i8, ptr @_ZGR6nested_, i64 48) } 105 106 // CHECK-DYNAMIC-BE: @nested ={{.*}} global 107 // CHECK-DYNAMIC-BE: @_ZGR6nested_ = internal global [3 x 108 // CHECK-DYNAMIC-BE: @_ZGR6nested0_ = internal global [2 x i32] zeroinitializer 109 // CHECK-DYNAMIC-BE: @_ZGR6nested1_ = internal global [2 x i32] zeroinitializer 110 // CHECK-DYNAMIC-BE: @_ZGR6nested2_ = internal global [2 x i32] zeroinitializer 111 // CHECK-DYNAMIC-BE: store i32 1, ptr @_ZGR6nested0_ 112 // CHECK-DYNAMIC-BE: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested0_, i64 1) 113 // CHECK-DYNAMIC-BE: store ptr @_ZGR6nested0_, 114 // CHECK-DYNAMIC-BE: ptr @_ZGR6nested_, align 8 115 // CHECK-DYNAMIC-BE: store ptr getelementptr inbounds ([2 x i32], ptr @_ZGR6nested0_, i64 0, i64 2), 116 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds nuw ({{.*}}, ptr @_ZGR6nested_, i32 0, i32 1), align 8 117 // CHECK-DYNAMIC-BE: store i32 3, ptr @_ZGR6nested1_ 118 // CHECK-DYNAMIC-BE: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested1_, i64 1) 119 // CHECK-DYNAMIC-BE: store ptr @_ZGR6nested1_, 120 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 1), align 8 121 // CHECK-DYNAMIC-BE: store ptr getelementptr inbounds ([2 x i32], ptr @_ZGR6nested1_, i64 0, i64 2), 122 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds nuw ({{.*}}, ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 1), i32 0, i32 1), align 8 123 // CHECK-DYNAMIC-BE: store i32 5, ptr @_ZGR6nested2_ 124 // CHECK-DYNAMIC-BE: store i32 {{.*}}, ptr getelementptr inbounds (i32, ptr @_ZGR6nested2_, i64 1) 125 // CHECK-DYNAMIC-BE: store ptr @_ZGR6nested2_, 126 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 2), align 8 127 // CHECK-DYNAMIC-BE: store ptr getelementptr inbounds ([2 x i32], ptr @_ZGR6nested2_, i64 0, i64 2), 128 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds nuw ({{.*}}, ptr getelementptr inbounds ({{.*}}, ptr @_ZGR6nested_, i64 2), i32 0, i32 1), align 8 129 // CHECK-DYNAMIC-BE: store ptr @_ZGR6nested_, 130 // CHECK-DYNAMIC-BE: ptr @nested, align 8 131 // CHECK-DYNAMIC-BE: store ptr getelementptr inbounds ([3 x {{.*}}], ptr @_ZGR6nested_, i64 0, i64 3), 132 // CHECK-DYNAMIC-BE: ptr getelementptr inbounds nuw ({{.*}}, ptr @nested, i32 0, i32 1), align 8 133