69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
// RUN: %clang_cc1 -std=c++11 %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CXX11
|
|
// RUN: %clang_cc1 -std=c++1z %s -emit-llvm -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=CXX17
|
|
|
|
struct A {
|
|
static const int Foo = 123;
|
|
};
|
|
// CHECK: @_ZN1A3FooE = constant i32 123, align 4
|
|
const int *p = &A::Foo; // emit available_externally
|
|
const int A::Foo; // convert to full definition
|
|
|
|
struct PODWithInit {
|
|
int g = 42;
|
|
char h = 43;
|
|
};
|
|
struct CreatePOD {
|
|
// Deferred initialization of the structure here requires changing
|
|
// the type of the global variable: the initializer list does not include
|
|
// the tail padding.
|
|
// CXX11: @_ZN9CreatePOD3podE = available_externally constant { i32, i8 } { i32 42, i8 43 },
|
|
static constexpr PODWithInit pod{};
|
|
};
|
|
const int *p_pod = &CreatePOD::pod.g;
|
|
|
|
struct Bar {
|
|
int b;
|
|
};
|
|
|
|
struct MutableBar {
|
|
mutable int b;
|
|
};
|
|
|
|
struct Foo {
|
|
// CXX11: @_ZN3Foo21ConstexprStaticMemberE = available_externally constant i32 42,
|
|
// CXX17: @_ZN3Foo21ConstexprStaticMemberE = linkonce_odr constant i32 42,
|
|
static constexpr int ConstexprStaticMember = 42;
|
|
// CHECK: @_ZN3Foo17ConstStaticMemberE = available_externally constant i32 43,
|
|
static const int ConstStaticMember = 43;
|
|
|
|
// CXX11: @_ZN3Foo23ConstStaticStructMemberE = available_externally constant %struct.Bar { i32 44 },
|
|
// CXX17: @_ZN3Foo23ConstStaticStructMemberE = linkonce_odr constant %struct.Bar { i32 44 },
|
|
static constexpr Bar ConstStaticStructMember = {44};
|
|
|
|
// CXX11: @_ZN3Foo34ConstexprStaticMutableStructMemberE = external global %struct.MutableBar,
|
|
// CXX17: @_ZN3Foo34ConstexprStaticMutableStructMemberE = linkonce_odr global %struct.MutableBar { i32 45 },
|
|
static constexpr MutableBar ConstexprStaticMutableStructMember = {45};
|
|
};
|
|
// CHECK: @_ZL15ConstStaticexpr = internal constant i32 46,
|
|
static constexpr int ConstStaticexpr = 46;
|
|
// CHECK: @_ZL9ConstExpr = internal constant i32 46, align 4
|
|
static const int ConstExpr = 46;
|
|
|
|
// CHECK: @_ZL21ConstexprStaticStruct = internal constant %struct.Bar { i32 47 },
|
|
static constexpr Bar ConstexprStaticStruct = {47};
|
|
|
|
// CHECK: @_ZL28ConstexprStaticMutableStruct = internal global %struct.MutableBar { i32 48 },
|
|
static constexpr MutableBar ConstexprStaticMutableStruct = {48};
|
|
|
|
void use(const int &);
|
|
void foo() {
|
|
use(Foo::ConstexprStaticMember);
|
|
use(Foo::ConstStaticMember);
|
|
use(Foo::ConstStaticStructMember.b);
|
|
use(Foo::ConstexprStaticMutableStructMember.b);
|
|
use(ConstStaticexpr);
|
|
use(ConstExpr);
|
|
use(ConstexprStaticStruct.b);
|
|
use(ConstexprStaticMutableStruct.b);
|
|
}
|