diff options
Diffstat (limited to 'test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp')
| -rw-r--r-- | test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp b/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp index 0fef6255ada9..e9eba6ed0b20 100644 --- a/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp +++ b/test/CodeGenCXX/microsoft-abi-dynamic-cast.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -emit-llvm -O1 -o - -triple=i386-pc-win32 %s | FileCheck %s +// RUN: %clang_cc1 -emit-llvm -O1 -o - -fexceptions -triple=i386-pc-win32 %s | FileCheck %s struct S { char a; }; struct V { virtual void f(); }; @@ -60,7 +60,7 @@ T* test5(A* x) { return dynamic_cast<T*>(x); } // CHECK-NEXT: [[VBOFFP:%.*]] = getelementptr inbounds i32, i32* [[VBTBL]], i32 1 // CHECK-NEXT: [[VBOFFS:%.*]] = load i32, i32* [[VBOFFP]], align 4 // CHECK-NEXT: [[ADJ:%.*]] = getelementptr inbounds i8, i8* [[VOIDP]], i32 [[VBOFFS]] -// CHECK-NEXT: [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* [[ADJ]], i32 [[VBOFFS]], i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUA@@@8" to i8*), i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0) +// CHECK-NEXT: [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* [[ADJ]], i32 [[VBOFFS]], i8* nonnull bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUA@@@8" to i8*), i8* nonnull bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0) // CHECK-NEXT: [[RES:%.*]] = bitcast i8* [[CALL]] to %struct.T* // CHECK-NEXT: br label // CHECK: [[RET:%.*]] = phi %struct.T* @@ -78,7 +78,7 @@ T* test6(B* x) { return dynamic_cast<T*>(x); } // CHECK-NEXT: [[VBOFFS:%.*]] = load i32, i32* [[VBOFFP]], align 4 // CHECK-NEXT: [[DELTA:%.*]] = add nsw i32 [[VBOFFS]], 4 // CHECK-NEXT: [[ADJ:%.*]] = getelementptr inbounds i8, i8* [[CAST]], i32 [[DELTA]] -// CHECK-NEXT: [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* [[ADJ]], i32 [[DELTA]], i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUB@@@8" to i8*), i8* bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0) +// CHECK-NEXT: [[CALL:%.*]] = tail call i8* @__RTDynamicCast(i8* [[ADJ]], i32 [[DELTA]], i8* nonnull bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUB@@@8" to i8*), i8* nonnull bitcast (%rtti.TypeDescriptor7* @"\01??_R0?AUT@@@8" to i8*), i32 0) // CHECK-NEXT: [[RES:%.*]] = bitcast i8* [[CALL]] to %struct.T* // CHECK-NEXT: br label // CHECK: [[RET:%.*]] = phi %struct.T* @@ -122,3 +122,22 @@ void* test9(B* x) { return dynamic_cast<void*>(x); } // CHECK: [[RET:%.*]] = phi i8* // CHECK-NEXT: ret i8* [[RET]] +namespace PR25606 { +struct Cleanup { + ~Cleanup(); +}; +struct S1 { virtual ~S1(); }; +struct S2 : virtual S1 {}; +struct S3 : S2 {}; + +S3 *f(S2 &s) { + Cleanup c; + return dynamic_cast<S3 *>(&s); +} +// CHECK-LABEL: define %"struct.PR25606::S3"* @"\01?f@PR25606@@YAPAUS3@1@AAUS2@1@@Z"( +// CHECK: [[CALL:%.*]] = invoke i8* @__RTDynamicCast + +// CHECK: [[BC:%.*]] = bitcast i8* [[CALL]] to %"struct.PR25606::S3"* +// CHECK: call x86_thiscallcc void @"\01??_DCleanup@PR25606@@QAE@XZ"( +// CHECK: ret %"struct.PR25606::S3"* [[BC]] +} |