forked from OSchip/llvm-project
106 lines
4.5 KiB
C++
106 lines
4.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -fms-extensions %s -triple x86_64-pc-win32
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struct __declspec(code_seg("my_one")) FooOne {
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int barC();
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};
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struct FooTwo {
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int __declspec(code_seg("my_three")) barD();
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int barE();
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};
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int __declspec(code_seg("my_four")) FooOne::barC() { return 10; }
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// expected-warning@-1 {{codeseg does not match previous declaration}}
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// expected-note@3{{previous attribute is here}}
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int __declspec(code_seg("my_five")) FooTwo::barD() { return 20; }
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// expected-warning@-1 {{codeseg does not match previous declaration}}
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// expected-note@8 {{previous attribute is here}}
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int __declspec(code_seg("my_six")) FooTwo::barE() { return 30; }
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// expected-warning@-1 {{codeseg does not match previous declaration}}
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// expected-note@9 {{previous declaration is here}}
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// Microsoft docs say:
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// If a base-class has a code_seg attribute, derived classes must have the
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// same attribute.
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struct __declspec(code_seg("my_base")) Base1 {};
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struct Base2 {};
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struct D1 : Base1 {};
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//expected-error@-1 {{derived class must specify the same code segment as its base classes}}
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// expected-note@24 {{base class 'Base1' specified here}}
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struct __declspec(code_seg("my_derived")) D2 : Base1 {};
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// expected-error@-1 {{derived class must specify the same code segment as its base classes}}
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// expected-note@24 {{base class 'Base1' specified here}}
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struct __declspec(code_seg("my_derived")) D3 : Base2 {};
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// expected-error@-1 {{derived class must specify the same code segment as its base classes}}
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// expected-note@25 {{base class 'Base2' specified here}}
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template <typename T> struct __declspec(code_seg("my_base")) MB : T { };
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template <typename T> struct __declspec(code_seg("my_derived")) MD : T { };
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MB<Base1> mb1; // ok
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MB<Base2> mb2;
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// expected-error@37 {{derived class must specify the same code segment as its base classes}}
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// expected-note@-2 {{in instantiation of template class}}
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// expected-note@25 {{base class 'Base2' specified here}}
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MD<Base1> md1;
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// expected-error@38 {{derived class must specify the same code segment as its base classes}}
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// expected-note@-2 {{in instantiation of template class}}
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// expected-note@24 {{base class 'Base1' specified here}}
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MD<Base2> md2;
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// expected-error@38 {{derived class must specify the same code segment as its base classes}}
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// expected-note@-2 {{in instantiation of template class}}
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// expected-note@25 {{base class 'Base2' specified here}}
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// Virtual overrides must have the same code_seg.
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struct __declspec(code_seg("my_one")) Base3 {
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virtual int barA() { return 1; }
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virtual int __declspec(code_seg("my_two")) barB() { return 2; }
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};
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struct __declspec(code_seg("my_one")) Derived3 : Base3 {
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int barA() { return 4; } // ok
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int barB() { return 6; }
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// expected-error@-1 {{overriding virtual function must specify the same code segment as its overridden function}}
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// expected-note@56 {{previous declaration is here}}
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};
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struct Base4 {
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virtual int __declspec(code_seg("my_one")) barA() {return 1;}
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virtual int barB() { return 2;}
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};
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struct Derived4 : Base4 {
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virtual int barA() {return 1;}
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// expected-error@-1 {{overriding virtual function must specify the same code segment as its overridden function}}
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// expected-note@66 {{previous declaration is here}}
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virtual int __declspec(code_seg("my_two")) barB() {return 1;}
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// expected-error@-1 {{overriding virtual function must specify the same code segment as its overridden function}}
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// expected-note@67 {{previous declaration is here}}
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};
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// MS gives an error when different code segments are used but a warning when a duplicate is used
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// Function
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int __declspec(code_seg("foo")) __declspec(code_seg("foo")) bar1() { return 1; }
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// expected-warning@-1 {{duplicate code segment specifiers}}
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int __declspec(code_seg("foo")) __declspec(code_seg("bar")) bar2() { return 1; }
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// expected-error@-1 {{conflicting code segment specifiers}}
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// Class
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struct __declspec(code_seg("foo")) __declspec(code_seg("foo")) Foo {
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// expected-warning@-1 {{duplicate code segment specifiers}}
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int bar3() {return 0;}
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};
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struct __declspec(code_seg("foo")) __declspec(code_seg("bar")) FooSix {
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// expected-error@-1 {{conflicting code segment specifiers}}
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int bar3() {return 0;}
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};
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//Class Members
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struct FooThree {
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int __declspec(code_seg("foo")) __declspec(code_seg("foo")) bar1() { return 1; }
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// expected-warning@-1 {{duplicate code segment specifiers}}
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int __declspec(code_seg("foo")) __declspec(code_seg("bar")) bar2() { return 1; }
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// expected-error@-1 {{conflicting code segment specifiers}}
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int bar8();
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int bar9() { return 9; }
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};
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