126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
// RUN: %clang_cc1 %s -std=c++1y -triple=x86_64-pc-linux -emit-llvm -o - | FileCheck --check-prefix=ELF --check-prefix=ALL %s
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// RUN: %clang_cc1 %s -std=c++1y -triple=x86_64-apple-darwin -emit-llvm -o - | FileCheck --check-prefix=MACHO --check-prefix=ALL %s
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// ALL: ; ModuleID
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extern "C" int foo();
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template<typename T> struct A { static int a; };
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template<typename T> int A<T>::a = foo();
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// ALLK-NOT: @_ZN1AIcE1aE
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template<> int A<char>::a;
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// ALL: @_ZN1AIbE1aE = global i32 10
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template<> int A<bool>::a = 10;
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// ALL: @llvm.global_ctors = appending global [8 x { i32, void ()*, i8* }]
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// ELF: [{ i32, void ()*, i8* } { i32 65535, void ()* @[[unordered1:[^,]*]], i8* bitcast (i32* @_ZN1AIsE1aE to i8*) },
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// MACHO: [{ i32, void ()*, i8* } { i32 65535, void ()* @[[unordered1:[^,]*]], i8* null },
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// ELF: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered2:[^,]*]], i8* bitcast (i16* @_Z1xIsE to i8*) },
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// MACHO: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered2:[^,]*]], i8* null },
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// ELF: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered3:[^,]*]], i8* bitcast (i32* @_ZN2ns1aIiE1iE to i8*) },
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// MACHO: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered3:[^,]*]], i8* null },
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// ELF: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered4:[^,]*]], i8* bitcast (i32* @_ZN2ns1b1iIiEE to i8*) },
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// MACHO: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered4:[^,]*]], i8* null },
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// ELF: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered5:[^,]*]], i8* bitcast (i32* @_ZN1AIvE1aE to i8*) },
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// MACHO: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered5:[^,]*]], i8* null },
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// ELF: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered6:[^,]*]], i8* @_Z1xIcE },
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// MACHO: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered6:[^,]*]], i8* null },
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// ALL: { i32, void ()*, i8* } { i32 65535, void ()* @[[unordered7:[^,]*]], i8* null },
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// ALL: { i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_static_member_variable_explicit_specialization.cpp, i8* null }]
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template int A<short>::a; // Unordered
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int b = foo();
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int c = foo();
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int d = A<void>::a; // Unordered
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// An explicit specialization is ordered, and goes in __GLOBAL_sub_I_static_member_variable_explicit_specialization.cpp.
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template<> struct A<int> { static int a; };
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int A<int>::a = foo();
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template<typename T> struct S { static T x; static T y; };
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template<> int S<int>::x = foo();
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template<> int S<int>::y = S<int>::x;
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template<typename T> T x = foo();
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template short x<short>; // Unordered
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template<> int x<int> = foo();
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int e = x<char>; // Unordered
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namespace ns {
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template <typename T> struct a {
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static int i;
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};
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template<typename T> int a<T>::i = foo();
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template struct a<int>;
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struct b {
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template <typename T> static T i;
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};
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template<typename T> T b::i = foo();
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template int b::i<int>;
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}
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namespace {
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template<typename T> struct Internal { static int a; };
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template<typename T> int Internal<T>::a = foo();
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}
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int *use_internal_a = &Internal<int>::a;
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// ALL: define internal void @[[unordered1]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_ZN1AIsE1aE
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// ALL: ret
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// ALL: define internal void @[[unordered2]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_Z1xIsE
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// ALL: ret
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// ALL: define internal void @[[unordered3]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_ZN2ns1aIiE1iE
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// ALL: ret
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// ALL: define internal void @[[unordered4]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_ZN2ns1b1iIiEE
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// ALL: ret
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// ALL: define internal void @[[unordered5]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_ZN1AIvE1aE
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// ALL: ret
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// ALL: define internal void @[[unordered6]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_Z1xIcE
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// ALL: ret
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// ALL: define internal void @[[unordered7]](
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// ALL: call i32 @foo()
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// ALL: store {{.*}} @_ZN12_GLOBAL__N_18InternalIiE1aE
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// ALL: ret
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// ALL: define internal void @_GLOBAL__sub_I_static_member_variable_explicit_specialization.cpp()
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// We call unique stubs for every ordered dynamic initializer in the TU.
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL: call
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// ALL-NOT: call
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// ALL: ret
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