diff options
Diffstat (limited to 'clang/test/CodeGenCXX/microsoft-abi-structors.cpp')
-rw-r--r-- | clang/test/CodeGenCXX/microsoft-abi-structors.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/microsoft-abi-structors.cpp b/clang/test/CodeGenCXX/microsoft-abi-structors.cpp new file mode 100644 index 00000000000..12622f10897 --- /dev/null +++ b/clang/test/CodeGenCXX/microsoft-abi-structors.cpp @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 -emit-llvm %s -o - -cxx-abi microsoft -triple=i386-pc-win32 | FileCheck %s + +class A { + public: + A() { } + ~A() { } +}; + +void no_constructor_destructor_infinite_recursion() { + A a; + +// CHECK: define linkonce_odr x86_thiscallcc %class.A* @"\01??0A@@QAE@XZ"(%class.A* %this) +// CHECK: [[THIS_ADDR:%[.0-9A-Z_a-z]+]] = alloca %class.A*, align 4 +// CHECK-NEXT: store %class.A* %this, %class.A** [[THIS_ADDR]], align 4 +// CHECK-NEXT: [[T1:%[.0-9A-Z_a-z]+]] = load %class.A** [[THIS_ADDR]] +// CHECK-NEXT: ret %class.A* [[T1]] +// CHECK-NEXT: } + +// Make sure that the destructor doesn't call itself: +// CHECK: define {{.*}} @"\01??1A@@QAE@XZ" +// CHECK-NOT: call void @"\01??1A@@QAE@XZ" +// CHECK: ret +} + +struct B { + virtual ~B(); + virtual void foo(); +}; + +void check_vftable_offset() { + B b; +// The vftable pointer should point at the beginning of the vftable. +// CHECK: [[THIS_PTR:%[0-9]+]] = bitcast %struct.B* {{.*}} to i8*** +// CHECK: store i8** getelementptr inbounds ([2 x i8*]* @"\01??_7B@@6B@", i64 0, i64 0), i8*** [[THIS_PTR]] +} |