84 lines · cpp
1// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX11X862// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=X86,CXX17X863// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX11AMD4// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple amdgcn-amd-amdhsa | FileCheck %s --check-prefixes=AMD,CXX17AMD5 6struct A {7 static const int Foo = 123;8};9// X86: @_ZN1A3FooE ={{.*}} constant i32 123, align 410// AMD: @_ZN1A3FooE ={{.*}} addrspace(1) constant i32 123, align 411const int *p = &A::Foo; // emit available_externally12const int A::Foo; // convert to full definition13 14struct PODWithInit {15 int g = 42;16 char h = 43;17};18struct CreatePOD {19 // Deferred initialization of the structure here requires changing20 // the type of the global variable: the initializer list does not include21 // 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};26const int *p_pod = &CreatePOD::pod.g;27 28struct Bar {29 int b;30};31 32struct MutableBar {33 mutable int b;34};35 36struct 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, comdat, align 441 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 46,60static constexpr int ConstStaticexpr = 46;61// X86: @_ZL9ConstExpr = internal constant i32 46, align 462// AMD: @_ZL9ConstExpr = internal addrspace(4) constant i32 46, align 463static 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 },67static 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 },71static constexpr MutableBar ConstexprStaticMutableStruct = {48};72 73void use(const int &);74void 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