c9a9c7a673
Classes can be defined in multiple translation units. This means that the static constexpr data members should have identical initializers in all translation units. Implement this by giving the reference temporary linkonce_odr linkage. llvm-svn: 229900
133 lines
8.6 KiB
C++
133 lines
8.6 KiB
C++
// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-STATIC-BL
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// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s -Dconstexpr= | FileCheck %s --check-prefix=CHECK-DYNAMIC-BL
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// RUN: %clang_cc1 -triple x86_64-linux-gnu -std=c++11 -emit-llvm -o - %s -DUSE_END | FileCheck %s --check-prefix=CHECK-STATIC-BE
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// 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
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namespace std {
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typedef decltype(sizeof(int)) size_t;
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template <class _E>
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class initializer_list
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{
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const _E* __begin_;
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#ifdef USE_END
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const _E* __end_;
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#else
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size_t __size_;
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#endif
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constexpr initializer_list(const _E* __b, size_t __s)
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: __begin_(__b),
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#ifdef USE_END
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__end_(__b + __s)
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#else
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__size_(__s)
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#endif
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{}
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public:
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typedef _E value_type;
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typedef const _E& reference;
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typedef const _E& const_reference;
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typedef size_t size_type;
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typedef const _E* iterator;
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typedef const _E* const_iterator;
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#ifdef USE_END
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constexpr initializer_list() : __begin_(nullptr), __end_(nullptr) {}
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size_t size() const {return __end_ - __begin_;}
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const _E* begin() const {return __begin_;}
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const _E* end() const {return __end_;}
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#else
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constexpr initializer_list() : __begin_(nullptr), __size_(0) {}
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size_t size() const {return __size_;}
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const _E* begin() const {return __begin_;}
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const _E* end() const {return __begin_ + __size_;}
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#endif
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};
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}
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constexpr int a = 2, b = 4, c = 6;
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std::initializer_list<std::initializer_list<int>> nested = {
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{1, a}, {3, b}, {5, c}
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};
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// CHECK-STATIC-BL: @_ZGR6nested0_ = internal constant [2 x i32] [i32 1, i32 2], align 4
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// CHECK-STATIC-BL: @_ZGR6nested1_ = internal constant [2 x i32] [i32 3, i32 4], align 4
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// CHECK-STATIC-BL: @_ZGR6nested2_ = internal constant [2 x i32] [i32 5, i32 6], align 4
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// CHECK-STATIC-BL: @_ZGR6nested_ = internal constant [3 x {{.*}}] [
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// CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i32 0, i32 0), i64 2 },
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// CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i32 0, i32 0), i64 2 },
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// CHECK-STATIC-BL: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i32 0, i32 0), i64 2 }
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// CHECK-STATIC-BL: ], align 8
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// CHECK-STATIC-BL: @nested = global {{.*}} { {{.*}} getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i32 0, i32 0), i64 3 }, align 8
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// CHECK-DYNAMIC-BL: @nested = global
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// CHECK-DYNAMIC-BL: @_ZGR6nested_ = internal global [3 x
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// CHECK-DYNAMIC-BL: @_ZGR6nested0_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BL: @_ZGR6nested1_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BL: @_ZGR6nested2_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BL: store i32 1, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0)
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// CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 1)
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// CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0),
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// CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 0), align 8
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// CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 1), align 8
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// CHECK-DYNAMIC-BL: store i32 3, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0)
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// CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 1)
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// CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0),
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// CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 0), align 8
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// CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 1), align 8
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// CHECK-DYNAMIC-BL: store i32 5, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0)
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// CHECK-DYNAMIC-BL: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 1)
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// CHECK-DYNAMIC-BL: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0),
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// CHECK-DYNAMIC-BL: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 0), align 8
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// CHECK-DYNAMIC-BL: store i64 2, i64* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 1), align 8
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// CHECK-DYNAMIC-BL: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0),
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// CHECK-DYNAMIC-BL: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 0), align 8
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// CHECK-DYNAMIC-BL: store i64 3, i64* getelementptr inbounds ({{.*}}* @nested, i32 0, i32 1), align 8
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// CHECK-STATIC-BE: @_ZGR6nested0_ = internal constant [2 x i32] [i32 1, i32 2], align 4
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// CHECK-STATIC-BE: @_ZGR6nested1_ = internal constant [2 x i32] [i32 3, i32 4], align 4
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// CHECK-STATIC-BE: @_ZGR6nested2_ = internal constant [2 x i32] [i32 5, i32 6], align 4
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// CHECK-STATIC-BE: @_ZGR6nested_ = internal constant [3 x {{.*}}] [
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// CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i32 0, i32 0),
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// CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested0_ to i8*), i64 8) to i32*) }
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// CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i32 0, i32 0),
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// CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested1_ to i8*), i64 8) to i32*) }
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// CHECK-STATIC-BE: {{.*}} { i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i32 0, i32 0),
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// CHECK-STATIC-BE: i32* bitcast (i8* getelementptr (i8* bitcast ([2 x i32]* @_ZGR6nested2_ to i8*), i64 8) to i32*) }
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// CHECK-STATIC-BE: ], align 8
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// CHECK-STATIC-BE: @nested = global {{.*}} { {{.*}} getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i32 0, i32 0),
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// CHECK-STATIC-BE: {{.*}} bitcast ({{.*}}* getelementptr (i8* bitcast ([3 x {{.*}}]* @_ZGR6nested_ to i8*), i64 48) to {{.*}}*) }
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// CHECK-DYNAMIC-BE: @nested = global
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// CHECK-DYNAMIC-BE: @_ZGR6nested_ = internal global [3 x
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// CHECK-DYNAMIC-BE: @_ZGR6nested0_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BE: @_ZGR6nested1_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BE: @_ZGR6nested2_ = internal global [2 x i32] zeroinitializer
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// CHECK-DYNAMIC-BE: store i32 1, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0)
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// CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 1)
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 0, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 0), align 8
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested0_, i64 1, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0, i32 1), align 8
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// CHECK-DYNAMIC-BE: store i32 3, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0)
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// CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 1)
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 0, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 0), align 8
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested1_, i64 1, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 1, i32 1), align 8
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// CHECK-DYNAMIC-BE: store i32 5, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0)
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// CHECK-DYNAMIC-BE: store i32 {{.*}}, i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 1)
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 0, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 0), align 8
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// CHECK-DYNAMIC-BE: store i32* getelementptr inbounds ([2 x i32]* @_ZGR6nested2_, i64 1, i64 0),
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// CHECK-DYNAMIC-BE: i32** getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 2, i32 1), align 8
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// CHECK-DYNAMIC-BE: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 0, i64 0),
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// CHECK-DYNAMIC-BE: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 0), align 8
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// CHECK-DYNAMIC-BE: store {{.*}}* getelementptr inbounds ([3 x {{.*}}]* @_ZGR6nested_, i64 1, i64 0),
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// CHECK-DYNAMIC-BE: {{.*}}** getelementptr inbounds ({{.*}}* @nested, i32 0, i32 1), align 8
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