diff options
Diffstat (limited to 'clang/test/CodeGenCXX/microsoft-abi-byval-thunks.cpp')
| -rw-r--r-- | clang/test/CodeGenCXX/microsoft-abi-byval-thunks.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/microsoft-abi-byval-thunks.cpp b/clang/test/CodeGenCXX/microsoft-abi-byval-thunks.cpp new file mode 100644 index 00000000000..a9ffc120142 --- /dev/null +++ b/clang/test/CodeGenCXX/microsoft-abi-byval-thunks.cpp @@ -0,0 +1,25 @@ +// RUN: not %clang_cc1 %s -fno-rtti -triple=i686-pc-win32 -emit-llvm -o /dev/null 2>&1 | FileCheck --check-prefix=CHECK32 +// RUN: %clang_cc1 %s -fno-rtti -triple=x86_64-pc-win32 -emit-llvm -o - | FileCheck --check-prefix=CHECK64 + +namespace byval_thunk { +struct Agg { + Agg(); + Agg(const Agg &); + ~Agg(); + int x; +}; + +struct A { virtual void foo(Agg x); }; +struct B { virtual void foo(Agg x); }; +struct C : A, B { virtual void foo(Agg x); }; +C c; + +// CHECK32: cannot compile this non-trivial argument copy for thunk yet + +// CHECK64-LABEL: define linkonce_odr void @"\01?foo@C@byval_thunk@@W7EAAXUAgg@2@@Z" +// CHECK64: (%"struct.byval_thunk::C"* %this, %"struct.byval_thunk::Agg"* %x) +// CHECK64: getelementptr i8* %{{.*}}, i32 -8 +// CHECK64: call void @"\01?foo@C@byval_thunk@@UEAAXUAgg@2@@Z"(%"struct.byval_thunk::C"* %2, %"struct.byval_thunk::Agg"* %x) +// CHECK64-NOT: call +// CHECK64: ret void +} |
