1 // RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX11X86
2 // RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX17X86
3 // RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX11AMD
4 // RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX17AMD
5
6 struct A {
7 static const int Foo = 123;
8 };
9 // X86: @_ZN1A3FooE ={{.*}} constant i32 123, align 4
10 // AMD: @_ZN1A3FooE ={{.*}} addrspace(4) constant i32 123, align 4
11 const int *p = &A::Foo; // emit available_externally
12 const int A::Foo; // convert to full definition
13
14 struct PODWithInit {
15 int g = 42;
16 char h = 43;
17 };
18 struct CreatePOD {
19 // Deferred initialization of the structure here requires changing
20 // the type of the global variable: the initializer list does not include
21 // the tail padding.
22 // CXX11X86: @_ZN9CreatePOD3podE = available_externally constant { i32, i8 } { i32 42, i8 43 },
23 // CXX11AMD: @_ZN9CreatePOD3podE = available_externally addrspace(1) constant { i32, i8 } { i32 42, i8 43 },
24 static constexpr PODWithInit pod{};
25 };
26 const int *p_pod = &CreatePOD::pod.g;
27
28 struct Bar {
29 int b;
30 };
31
32 struct MutableBar {
33 mutable int b;
34 };
35
36 struct Foo {
37 // CXX11X86: @_ZN3Foo21ConstexprStaticMemberE = available_externally constant i32 42,
38 // CXX17X86: @_ZN3Foo21ConstexprStaticMemberE = linkonce_odr constant i32 42,
39 // CXX11AMD: @_ZN3Foo21ConstexprStaticMemberE = available_externally addrspace(4) constant i32 42,
40 // CXX17AMD: @_ZN3Foo21ConstexprStaticMemberE = linkonce_odr addrspace(4) constant i32 42,
41 static constexpr int ConstexprStaticMember = 42;
42 // X86: @_ZN3Foo17ConstStaticMemberE = available_externally constant i32 43,
43 // AMD: @_ZN3Foo17ConstStaticMemberE = available_externally addrspace(4) constant i32 43,
44 static const int ConstStaticMember = 43;
45
46 // CXX11X86: @_ZN3Foo23ConstStaticStructMemberE = available_externally constant %struct.Bar { i32 44 },
47 // CXX17X86: @_ZN3Foo23ConstStaticStructMemberE = linkonce_odr constant %struct.Bar { i32 44 },
48 // CXX11AMD: @_ZN3Foo23ConstStaticStructMemberE = available_externally addrspace(1) constant %struct.Bar { i32 44 },
49 // CXX17AMD: @_ZN3Foo23ConstStaticStructMemberE = linkonce_odr addrspace(1) constant %struct.Bar { i32 44 },
50 static constexpr Bar ConstStaticStructMember = {44};
51
52 // CXX11X86: @_ZN3Foo34ConstexprStaticMutableStructMemberE = external global %struct.MutableBar,
53 // CXX17X86: @_ZN3Foo34ConstexprStaticMutableStructMemberE = linkonce_odr global %struct.MutableBar { i32 45 },
54 // CXX11AMD: @_ZN3Foo34ConstexprStaticMutableStructMemberE = external addrspace(1) global %struct.MutableBar,
55 // CXX17AMD: @_ZN3Foo34ConstexprStaticMutableStructMemberE = linkonce_odr addrspace(1) global %struct.MutableBar { i32 45 },
56 static constexpr MutableBar ConstexprStaticMutableStructMember = {45};
57 };
58 // X86: @_ZL15ConstStaticexpr = internal constant i32 46,
59 // AMD: @_ZL15ConstStaticexpr = internal addrspace(4) constant i32 46,
60 static constexpr int ConstStaticexpr = 46;
61 // X86: @_ZL9ConstExpr = internal constant i32 46, align 4
62 // AMD: @_ZL9ConstExpr = internal addrspace(4) constant i32 46, align 4
63 static const int ConstExpr = 46;
64
65 // X86: @_ZL21ConstexprStaticStruct = internal constant %struct.Bar { i32 47 },
66 // AMD: @_ZL21ConstexprStaticStruct = internal addrspace(1) constant %struct.Bar { i32 47 },
67 static constexpr Bar ConstexprStaticStruct = {47};
68
69 // X86: @_ZL28ConstexprStaticMutableStruct = internal global %struct.MutableBar { i32 48 },
70 // AMD: @_ZL28ConstexprStaticMutableStruct = internal addrspace(1) global %struct.MutableBar { i32 48 },
71 static constexpr MutableBar ConstexprStaticMutableStruct = {48};
72
73 void use(const int &);
foo()74 void foo() {
75 use(Foo::ConstexprStaticMember);
76 use(Foo::ConstStaticMember);
77 use(Foo::ConstStaticStructMember.b);
78 use(Foo::ConstexprStaticMutableStructMember.b);
79 use(ConstStaticexpr);
80 use(ConstExpr);
81 use(ConstexprStaticStruct.b);
82 use(ConstexprStaticMutableStruct.b);
83 }
84