forked from OSchip/llvm-project
59 lines
2.7 KiB
C++
59 lines
2.7 KiB
C++
// Also check that -Wglobal-constructors does the right thing. Strictly
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// speaking, this is a Sema test, but this avoids test case duplication.
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// RUN: %clang_cc1 -Wglobal-constructors %s -verify -triple i686-windows-msvc -fms-extensions -std=c++11
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//
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// RUN: %clang_cc1 %s -emit-llvm -o - -triple i686-windows-msvc -fms-extensions -std=c++11 | FileCheck %s
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struct __declspec(dllimport) Single {
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void nonvirt();
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virtual void virt();
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};
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struct A { int a; };
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struct B { int b; };
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struct __declspec(dllimport) Multi : A, B {
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void nonvirt();
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virtual void virt();
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};
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struct __declspec(dllimport) Virtual : virtual A {
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void nonvirt();
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virtual void virt();
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};
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struct General;
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static_assert(sizeof(void (General::*)()) == 16, "force general memptr model");
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struct __declspec(dllimport) General {
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void nonvirt();
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virtual void virt();
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};
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auto mp_single_nv = &Single::nonvirt; // expected-warning {{global constructor}}
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auto mp_multi_nv = &Multi::nonvirt; // expected-warning {{global constructor}}
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auto mp_virtual_nv = &Virtual::nonvirt; // expected-warning {{global constructor}}
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auto mp_general_nv = &General::nonvirt; // expected-warning {{global constructor}}
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auto mp_single_v = &Single::virt;
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auto mp_multi_v = &Multi::virt;
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auto mp_virtual_v = &Virtual::virt;
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auto mp_general_v = &General::virt;
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// All of the non-virtual globals need dynamic initializers.
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// CHECK: @"\01?mp_single_nv@@3P8Single@@AEXXZQ1@" = global i8* null, align 4
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// CHECK: @"\01?mp_multi_nv@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } zeroinitializer, align 4
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// CHECK: @"\01?mp_virtual_nv@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } zeroinitializer, align 4
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// CHECK: @"\01?mp_general_nv@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } zeroinitializer, align 4
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// CHECK: @"\01?mp_single_v@@3P8Single@@AEXXZQ1@" = global i8* bitcast (void (%struct.Single*, ...)* @"\01??_9Single@@$BA@AE" to i8*), align 4
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// CHECK: @"\01?mp_multi_v@@3P8Multi@@AEXXZQ1@" = global { i8*, i32 } { i8* bitcast (void (%struct.Multi*, ...)* @"\01??_9Multi@@$BA@AE" to i8*), i32 0 }, align 4
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// CHECK: @"\01?mp_virtual_v@@3P8Virtual@@AEXXZQ1@" = global { i8*, i32, i32 } { i8* bitcast (void (%struct.Virtual*, ...)* @"\01??_9Virtual@@$BA@AE" to i8*), i32 0, i32 0 }, align 4
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// CHECK: @"\01?mp_general_v@@3P8General@@AEXXZQ1@" = global { i8*, i32, i32, i32 } { i8* bitcast (void (%struct.General*, ...)* @"\01??_9General@@$BA@AE" to i8*), i32 0, i32 0, i32 0 }, align 4
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// CHECK: define internal void @_GLOBAL__sub_I{{.*}}() {{.*}} {
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// CHECK: call void @"\01??__Emp_single_nv@@YAXXZ"()
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// CHECK: call void @"\01??__Emp_multi_nv@@YAXXZ"()
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// CHECK: call void @"\01??__Emp_virtual_nv@@YAXXZ"()
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// CHECK: call void @"\01??__Emp_general_nv@@YAXXZ"()
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// CHECK: }
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