Print qualified display names when emitting CodeView

This is what debuggers expect.  Words towards fixing PR21528.

llvm-svn: 255744

1 files changed, 73 insertions, 0 deletions

diff --git a/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
new file mode 100644
index 00000000000..1d0300c76c0
--- /dev/null
+++ b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
@@ -0,0 +1,73 @@
+// RUN: %clang_cc1 -fblocks -debug-info-kind=limited -gcodeview -emit-llvm %s -o - -triple=x86_64-pc-win32 -std=c++98 | \
+// RUN:  grep 'DISubprogram' | sed -e 's/.*name: "\([^"]*\)".*/"\1"/' | FileCheck %s
+
+void freefunc() { }
+// CHECK-DAG: "freefunc"
+
+namespace N {
+  int b() { return 0; }
+// CHECK-DAG: "N::b"
+  namespace { void func() { } }
+// CHECK-DAG: "N::`anonymous namespace'::func
+}
+
+void _c(void) {
+  N::func();
+}
+// CHECK-DAG: "_c"
+
+struct foo {
+  int operator+(int);
+  foo(){}
+// CHECK-DAG: "foo::foo"
+
+  ~foo(){}
+// CHECK-DAG: "foo::~foo"
+
+  foo(int i){}
+// CHECK-DAG: "foo::foo"
+
+  foo(char *q){}
+// CHECK-DAG: "foo::foo"
+
+  static foo* static_method() { return 0; }
+// CHECK-DAG: "foo::static_method"
+
+};
+
+void use_foo() {
+  foo f1, f2(1), f3((char*)0);
+  foo::static_method();
+}
+
+// CHECK-DAG: "foo::operator+"
+int foo::operator+(int a) { return a; }
+
+// PR17371
+struct OverloadedNewDelete {
+  // __cdecl
+  void *operator new(__SIZE_TYPE__);
+  void *operator new[](__SIZE_TYPE__);
+  void operator delete(void *);
+  void operator delete[](void *);
+  // __thiscall
+  int operator+(int);
+};
+
+void *OverloadedNewDelete::operator new(__SIZE_TYPE__ s) { return 0; }
+void *OverloadedNewDelete::operator new[](__SIZE_TYPE__ s) { return 0; }
+void OverloadedNewDelete::operator delete(void *) { }
+void OverloadedNewDelete::operator delete[](void *) { }
+int OverloadedNewDelete::operator+(int x) { return x; };
+
+// CHECK-DAG: "OverloadedNewDelete::operator new"
+// CHECK-DAG: "OverloadedNewDelete::operator new[]"
+// CHECK-DAG: "OverloadedNewDelete::operator delete"
+// CHECK-DAG: "OverloadedNewDelete::operator delete[]"
+// CHECK-DAG: "OverloadedNewDelete::operator+"
+
+template <void (*)(void)>
+void fn_tmpl() {}
+
+template void fn_tmpl<freefunc>();
+// CHECK-DAG: "fn_tmpl"