Add support for MSVC's __FUNCSIG__

It is very similar to GCC's __PRETTY_FUNCTION__, except it prints the
calling convention.

Reviewers: majnemer

Differential Revision: http://reviews.llvm.org/D3311

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@205780 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 29 insertions, 0 deletions

diff --git a/test/CodeGenCXX/funcsig.cpp b/test/CodeGenCXX/funcsig.cpp
new file mode 100644
index 0000000000..76f43858c0
--- /dev/null
+++ b/test/CodeGenCXX/funcsig.cpp
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -std=c++11 %s -fms-extensions -fno-rtti -emit-llvm -o - | FileCheck %s
+
+// Similar to predefined-expr.cpp, but not as exhaustive, since it's basically
+// equivalent to __PRETTY_FUNCTION__.
+
+extern "C" int printf(const char *, ...);
+
+void freeFunc(int *, char) {
+  printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
+}
+// CHECK: private unnamed_addr constant [{{.*}} x i8] c"void __cdecl freeFunc(int *, char)\00"
+
+struct TopLevelClass {
+  void topLevelMethod(int *, char);
+};
+void TopLevelClass::topLevelMethod(int *, char) {
+  printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
+}
+// CHECK: private unnamed_addr constant [{{.*}} x i8] c"void __thiscall TopLevelClass::topLevelMethod(int *, char)\00"
+
+namespace NS {
+struct NamespacedClass {
+  void namespacedMethod(int *, char);
+};
+void NamespacedClass::namespacedMethod(int *, char) {
+  printf("__FUNCSIG__ %s\n\n", __FUNCSIG__);
+}
+// CHECK: private unnamed_addr constant [{{.*}} x i8] c"void __thiscall NS::NamespacedClass::namespacedMethod(int *, char)\00"
+}