[llvm-commits] [llvm] r104182 - /llvm/trunk/test/FrontendC++/thunk-weak-odr.cpp

[Bill Wendling]

Author: void
Date: Wed May 19 18:33:26 2010
New Revision: 104182

URL: http://llvm.org/viewvc/llvm-project?rev=104182&view=rev
Log:
Testcase for r104181.

Added:
    llvm/trunk/test/FrontendC++/thunk-weak-odr.cpp

Added: llvm/trunk/test/FrontendC++/thunk-weak-odr.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/FrontendC%2B%2B/thunk-weak-odr.cpp?rev=104182&view=auto
==============================================================================
--- llvm/trunk/test/FrontendC++/thunk-weak-odr.cpp (added)
+++ llvm/trunk/test/FrontendC++/thunk-weak-odr.cpp Wed May 19 18:33:26 2010
@@ -0,0 +1,33 @@
+// RUN: %llvmgxx %s -S -o - | FileCheck %s
+// <rdar://problem/7929157>
+
+struct A {
+  virtual int f() { return 1; }
+};
+
+struct B {
+  virtual int f() { return 2; }
+};
+
+struct C : A, B {
+  virtual int f() { return 3; }
+};
+
+struct D : C {
+  virtual int f() { return 4; }
+};
+
+static int f(D* d) {
+  B* b = d;
+  return b->f();
+};
+
+int g() {
+  D d;
+  return f(&d);
+}
+
+// Thunks should be marked as "weak ODR", not just "weak".
+//
+// CHECK: define weak_odr i32 @_ZThn8_N1C1fEv
+// CHECK: define weak_odr i32 @_ZThn8_N1D1fEv