84 lines
4.0 KiB
C++
84 lines
4.0 KiB
C++
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// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX11X86
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// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX17X86
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// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX11AMD
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// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX17AMD
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struct A {
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static const int Foo = 123;
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};
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// X86: @_ZN1A3FooE ={{.*}} constant i32 123, align 4
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// AMD: @_ZN1A3FooE ={{.*}} addrspace(4) constant i32 123, align 4
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const int *p = &A::Foo; // emit available_externally
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const int A::Foo; // convert to full definition
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struct PODWithInit {
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int g = 42;
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char h = 43;
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};
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struct CreatePOD {
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// Deferred initialization of the structure here requires changing
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// the type of the global variable: the initializer list does not include
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// the tail padding.
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// CXX11X86: @_ZN9CreatePOD3podE = available_externally constant { i32, i8 } { i32 42, i8 43 },
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// CXX11AMD: @_ZN9CreatePOD3podE = available_externally addrspace(1) constant { i32, i8 } { i32 42, i8 43 },
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static constexpr PODWithInit pod{};
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};
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const int *p_pod = &CreatePOD::pod.g;
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struct Bar {
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int b;
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};
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struct MutableBar {
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mutable int b;
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};
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struct Foo {
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// CXX11X86: @_ZN3Foo21ConstexprStaticMemberE = available_externally constant i32 42,
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// CXX17X86: @_ZN3Foo21ConstexprStaticMemberE = linkonce_odr constant i32 42,
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// CXX11AMD: @_ZN3Foo21ConstexprStaticMemberE = available_externally addrspace(4) constant i32 42,
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// CXX17AMD: @_ZN3Foo21ConstexprStaticMemberE = linkonce_odr addrspace(4) constant i32 42,
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static constexpr int ConstexprStaticMember = 42;
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// X86: @_ZN3Foo17ConstStaticMemberE = available_externally constant i32 43,
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// AMD: @_ZN3Foo17ConstStaticMemberE = available_externally addrspace(4) constant i32 43,
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static const int ConstStaticMember = 43;
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// CXX11X86: @_ZN3Foo23ConstStaticStructMemberE = available_externally constant %struct.Bar { i32 44 },
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// CXX17X86: @_ZN3Foo23ConstStaticStructMemberE = linkonce_odr constant %struct.Bar { i32 44 },
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// CXX11AMD: @_ZN3Foo23ConstStaticStructMemberE = available_externally addrspace(1) constant %struct.Bar { i32 44 },
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// CXX17AMD: @_ZN3Foo23ConstStaticStructMemberE = linkonce_odr addrspace(1) constant %struct.Bar { i32 44 },
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static constexpr Bar ConstStaticStructMember = {44};
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// CXX11X86: @_ZN3Foo34ConstexprStaticMutableStructMemberE = external global %struct.MutableBar,
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// CXX17X86: @_ZN3Foo34ConstexprStaticMutableStructMemberE = linkonce_odr global %struct.MutableBar { i32 45 },
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// CXX11AMD: @_ZN3Foo34ConstexprStaticMutableStructMemberE = external addrspace(1) global %struct.MutableBar,
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// CXX17AMD: @_ZN3Foo34ConstexprStaticMutableStructMemberE = linkonce_odr addrspace(1) global %struct.MutableBar { i32 45 },
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static constexpr MutableBar ConstexprStaticMutableStructMember = {45};
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};
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// X86: @_ZL15ConstStaticexpr = internal constant i32 46,
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// AMD: @_ZL15ConstStaticexpr = internal addrspace(4) constant i32 46,
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static constexpr int ConstStaticexpr = 46;
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// X86: @_ZL9ConstExpr = internal constant i32 46, align 4
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// AMD: @_ZL9ConstExpr = internal addrspace(4) constant i32 46, align 4
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static const int ConstExpr = 46;
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// X86: @_ZL21ConstexprStaticStruct = internal constant %struct.Bar { i32 47 },
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// AMD: @_ZL21ConstexprStaticStruct = internal addrspace(1) constant %struct.Bar { i32 47 },
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static constexpr Bar ConstexprStaticStruct = {47};
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// X86: @_ZL28ConstexprStaticMutableStruct = internal global %struct.MutableBar { i32 48 },
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// AMD: @_ZL28ConstexprStaticMutableStruct = internal addrspace(1) global %struct.MutableBar { i32 48 },
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static constexpr MutableBar ConstexprStaticMutableStruct = {48};
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void use(const int &);
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void foo() {
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use(Foo::ConstexprStaticMember);
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use(Foo::ConstStaticMember);
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use(Foo::ConstStaticStructMember.b);
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use(Foo::ConstexprStaticMutableStructMember.b);
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use(ConstStaticexpr);
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use(ConstExpr);
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use(ConstexprStaticStruct.b);
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use(ConstexprStaticMutableStruct.b);
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}
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