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-rw-r--r--test/Layout/ms-vtordisp-local.cpp217
1 files changed, 217 insertions, 0 deletions
diff --git a/test/Layout/ms-vtordisp-local.cpp b/test/Layout/ms-vtordisp-local.cpp
new file mode 100644
index 0000000..048f4e5
--- /dev/null
+++ b/test/Layout/ms-vtordisp-local.cpp
@@ -0,0 +1,217 @@
+// RUN: %clang_cc1 -fms-extensions -fexceptions -fcxx-exceptions -emit-llvm-only -triple x86_64-pc-win32 -fdump-record-layouts -fsyntax-only %s 2>&1 | FileCheck %s
+
+struct Base {
+ virtual ~Base() {}
+ virtual void BaseFunc() {}
+};
+
+#pragma vtordisp(0)
+
+struct Container {
+ static void f() try {
+ #pragma vtordisp(2)
+ struct HasVtorDisp : virtual Base {
+ virtual ~HasVtorDisp() {}
+ virtual void Func() {}
+ };
+
+ int x[sizeof(HasVtorDisp)];
+
+ // HasVtorDisp: vtordisp because of pragma right before it.
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct HasVtorDisp
+ // CHECK-NEXT: 0 | (HasVtorDisp vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+ } catch (...) {
+ }
+};
+
+struct NoVtorDisp1 : virtual Base {
+ virtual ~NoVtorDisp1() {}
+ virtual void Func() {}
+};
+
+int x1[sizeof(NoVtorDisp1)];
+
+// NoVtroDisp1: no vtordisp because of pragma disabling it.
+//
+// CHECK: *** Dumping AST Record Layout
+// CHECK-NEXT: 0 | struct NoVtorDisp1
+// CHECK-NEXT: 0 | (NoVtorDisp1 vftable pointer)
+// CHECK-NEXT: 8 | (NoVtorDisp1 vbtable pointer)
+// CHECK-NEXT: 16 | struct Base (virtual base)
+// CHECK-NEXT: 16 | (Base vftable pointer)
+// CHECK-NEXT: | [sizeof=24, align=8,
+// CHECK-NEXT: | nvsize=16, nvalign=8]
+
+struct Container2 {
+ static void f1() {
+ // Local pragma #1 - must be disabled on exit from f1().
+ #pragma vtordisp(push, 2)
+ struct HasVtorDisp1 : virtual Base {
+ virtual ~HasVtorDisp1() {}
+ virtual void Func() {}
+ };
+
+ int x2[sizeof(HasVtorDisp1)];
+
+ // HasVtorDisp1: vtordisp because of pragma right before it.
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct HasVtorDisp1
+ // CHECK-NEXT: 0 | (HasVtorDisp1 vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp1 vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+
+ struct InnerContainer {
+ static void g1() {
+ struct HasVtorDisp2 : virtual Base {
+ virtual ~HasVtorDisp2() {}
+ virtual void Func() {}
+ };
+
+ int x3[sizeof(HasVtorDisp2)];
+
+ // HasVtorDisp2: vtordisp because of vtordisp(2) in f1().
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct HasVtorDisp2
+ // CHECK-NEXT: 0 | (HasVtorDisp2 vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp2 vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+
+ // Local pragma #2 - must be disabled on exit from g1().
+ #pragma vtordisp(push, 0)
+ struct NoVtorDisp2 : virtual Base {
+ virtual ~NoVtorDisp2() {}
+ virtual void Func() {}
+ };
+
+ int x4[sizeof(NoVtorDisp2)];
+
+ // NoVtroDisp2: no vtordisp because of vtordisp(0) in g1().
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct NoVtorDisp2
+ // CHECK-NEXT: 0 | (NoVtorDisp2 vftable pointer)
+ // CHECK-NEXT: 8 | (NoVtorDisp2 vbtable pointer)
+ // CHECK-NEXT: 16 | struct Base (virtual base)
+ // CHECK-NEXT: 16 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=24, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+ }
+
+ static void g2() {
+ struct HasVtorDisp3 : virtual Base {
+ virtual ~HasVtorDisp3() {}
+ virtual void Func() {}
+ };
+
+ int x5[sizeof(HasVtorDisp3)];
+
+ // HasVtorDisp3: vtordisp because of vtordisp(2) in f1(),
+ // local vtordisp(0) in g1() is disabled.
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct HasVtorDisp3
+ // CHECK-NEXT: 0 | (HasVtorDisp3 vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp3 vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+ }
+ };
+
+ struct HasVtorDisp4 : virtual Base {
+ virtual ~HasVtorDisp4() {}
+ virtual void Func() {}
+ };
+
+ int x6[sizeof(HasVtorDisp4)];
+
+ // HasVtorDisp4: vtordisp because of vtordisp(2) in f1(),
+ // local vtordisp(0) in g1() is disabled,
+ // g2() has no pragmas - stack is not affected.
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct HasVtorDisp4
+ // CHECK-NEXT: 0 | (HasVtorDisp4 vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp4 vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+
+ InnerContainer::g1();
+ InnerContainer::g2();
+ }
+
+ static void f2() {
+ struct NoVtorDisp3 : virtual Base {
+ virtual ~NoVtorDisp3() {}
+ virtual void Func() {}
+ };
+
+ int x7[sizeof(NoVtorDisp3)];
+
+ // NoVtroDisp3: no vtordisp because of global pragma (0),
+ // local vtordisp(2) is disabled on exit from f1().
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct NoVtorDisp3
+ // CHECK-NEXT: 0 | (NoVtorDisp3 vftable pointer)
+ // CHECK-NEXT: 8 | (NoVtorDisp3 vbtable pointer)
+ // CHECK-NEXT: 16 | struct Base (virtual base)
+ // CHECK-NEXT: 16 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=24, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+ }
+};
+
+struct Container3 {
+ #pragma vtordisp(2)
+ struct HasVtorDisp5 : virtual Base {
+ virtual ~HasVtorDisp5() {}
+ virtual void Func() {}
+ };
+
+ int x8[sizeof(HasVtorDisp5)];
+
+ // HasVtorDisp5: vtordisp because of pragma right before it.
+ //
+ // CHECK: *** Dumping AST Record Layout
+ // CHECK-NEXT: 0 | struct Container3::HasVtorDisp5
+ // CHECK-NEXT: 0 | (HasVtorDisp5 vftable pointer)
+ // CHECK-NEXT: 8 | (HasVtorDisp5 vbtable pointer)
+ // CHECK-NEXT: 20 | (vtordisp for vbase Base)
+ // CHECK-NEXT: 24 | struct Base (virtual base)
+ // CHECK-NEXT: 24 | (Base vftable pointer)
+ // CHECK-NEXT: | [sizeof=32, align=8,
+ // CHECK-NEXT: | nvsize=16, nvalign=8]
+};
+
+int main() {
+ Container::f();
+ Container2::f1();
+ Container2::f2();
+ Container3 cont3;
+ return 0;
+};
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