Support for MSVS default calling convention options (/Gd, /Gz, /Gv,

/Gr), by Alexander Makarov

Patch for bug #27711
Differential Revision: http://reviews.llvm.org/D20171

llvm-svn: 269891

1 files changed, 34 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/default_calling_conv.cpp b/clang/test/CodeGenCXX/default_calling_conv.cpp
new file mode 100644
index 00000000000..95c214a223d
--- /dev/null
+++ b/clang/test/CodeGenCXX/default_calling_conv.cpp
@@ -0,0 +1,34 @@
+// RUN: %clang_cc1 -triple i386-unknown-linux-gnu -fdefault-calling-conv=cdecl -emit-llvm -o - %s | FileCheck %s --check-prefix=CDECL --check-prefix=ALL
+// RUN: %clang_cc1 -triple i786-unknown-linux-gnu -target-feature +sse4.2 -fdefault-calling-conv=fastcall -emit-llvm -o - %s | FileCheck %s --check-prefix=FASTCALL --check-prefix=ALL
+// RUN: %clang_cc1 -triple i486-unknown-linux-gnu -fdefault-calling-conv=stdcall -emit-llvm -o - %s | FileCheck %s --check-prefix=STDCALL --check-prefix=ALL
+// RUN: %clang_cc1 -triple i486-unknown-linux-gnu -mrtd -emit-llvm -o - %s | FileCheck %s --check-prefix=STDCALL --check-prefix=ALL
+// RUN: %clang_cc1 -triple i986-unknown-linux-gnu -fdefault-calling-conv=vectorcall -emit-llvm -o - %s | FileCheck %s --check-prefix=VECTORCALL --check-prefix=ALL
+
+// CDECL: define void @_Z5test1v
+// FASTCALL: define x86_fastcallcc void @_Z5test1v
+// STDCALL: define x86_stdcallcc void @_Z5test1v
+// VECTORCALL: define x86_vectorcallcc void @_Z5test1v
+void test1() {}
+
+// ALL: define void @_Z5test2v
+void __attribute__((cdecl)) test2() {}
+
+// ALL: define x86_fastcallcc void @_Z5test3v
+void __attribute__((fastcall)) test3() {}
+
+// ALL: define x86_stdcallcc void @_Z5test4v
+void __attribute__((stdcall)) test4() {}
+
+// ALL: define  x86_vectorcallcc void @_Z5test5v
+void __attribute__((vectorcall)) test5() {}
+
+// ALL: define linkonce_odr void @_ZN1A11test_memberEv
+class A {
+public:
+  void test_member() {}
+};
+
+void test() {
+  A a;
+  a.test_member();
+}