| // Also check that -Wglobal-constructors does the right thing. Strictly |
| // speaking, this is a Sema test, but this avoids test case duplication. |
| // RUN: %clang_cc1 -Wglobal-constructors %s -verify -triple i686-windows-msvc -fms-extensions -std=c++11 |
| // |
| // RUN: %clang_cc1 %s -emit-llvm -o - -triple i686-windows-msvc -fms-extensions -std=c++11 | FileCheck %s |
| |
| struct __declspec(dllimport) Single { |
| void nonvirt(); |
| virtual void virt(); |
| }; |
| |
| struct A { int a; }; |
| struct B { int b; }; |
| struct __declspec(dllimport) Multi : A, B { |
| void nonvirt(); |
| virtual void virt(); |
| }; |
| |
| struct __declspec(dllimport) Virtual : virtual A { |
| void nonvirt(); |
| virtual void virt(); |
| }; |
| |
| struct General; |
| static_assert(sizeof(void (General::*)()) == 16, "force general memptr model"); |
| struct __declspec(dllimport) General { |
| void nonvirt(); |
| virtual void virt(); |
| }; |
| |
| auto mp_single_nv = &Single::nonvirt; // expected-warning {{global constructor}} |
| auto mp_multi_nv = &Multi::nonvirt; // expected-warning {{global constructor}} |
| auto mp_virtual_nv = &Virtual::nonvirt; // expected-warning {{global constructor}} |
| auto mp_general_nv = &General::nonvirt; // expected-warning {{global constructor}} |
| |
| auto mp_single_v = &Single::virt; |
| auto mp_multi_v = &Multi::virt; |
| auto mp_virtual_v = &Virtual::virt; |
| auto mp_general_v = &General::virt; |
| |
| // All of the non-virtual globals need dynamic initializers. |
| |
| // CHECK: @"?mp_single_nv@@3P8Single@@AEXXZQ1@" = dso_local global i8* null, align 4 |
| // CHECK: @"?mp_multi_nv@@3P8Multi@@AEXXZQ1@" = dso_local global { i8*, i32 } zeroinitializer, align 4 |
| // CHECK: @"?mp_virtual_nv@@3P8Virtual@@AEXXZQ1@" = dso_local global { i8*, i32, i32 } zeroinitializer, align 4 |
| // CHECK: @"?mp_general_nv@@3P8General@@AEXXZQ1@" = dso_local global { i8*, i32, i32, i32 } zeroinitializer, align 4 |
| |
| // CHECK: @"?mp_single_v@@3P8Single@@AEXXZQ1@" = dso_local global i8* bitcast (void (%struct.Single*, ...)* @"??_9Single@@$BA@AE" to i8*), align 4 |
| // CHECK: @"?mp_multi_v@@3P8Multi@@AEXXZQ1@" = dso_local global { i8*, i32 } { i8* bitcast (void (%struct.Multi*, ...)* @"??_9Multi@@$BA@AE" to i8*), i32 0 }, align 4 |
| // CHECK: @"?mp_virtual_v@@3P8Virtual@@AEXXZQ1@" = dso_local global { i8*, i32, i32 } { i8* bitcast (void (%struct.Virtual*, ...)* @"??_9Virtual@@$BA@AE" to i8*), i32 0, i32 0 }, align 4 |
| // CHECK: @"?mp_general_v@@3P8General@@AEXXZQ1@" = dso_local global { i8*, i32, i32, i32 } { i8* bitcast (void (%struct.General*, ...)* @"??_9General@@$BA@AE" to i8*), i32 0, i32 0, i32 0 }, align 4 |
| |
| // CHECK: define internal void @_GLOBAL__sub_I{{.*}}() {{.*}} { |
| // CHECK: call void @"??__Emp_single_nv@@YAXXZ"() |
| // CHECK: call void @"??__Emp_multi_nv@@YAXXZ"() |
| // CHECK: call void @"??__Emp_virtual_nv@@YAXXZ"() |
| // CHECK: call void @"??__Emp_general_nv@@YAXXZ"() |
| // CHECK: } |