From: Bill Wendling <isanbard@gmail.com>
Date: Wed, 19 May 2010 23:33:26 +0000 (+0000)
Subject: Testcase for r104181.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a008750aa9c3327a353c2345935b35d9e9f1161a;p=oota-llvm.git

Testcase for r104181.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104182 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/FrontendC++/thunk-weak-odr.cpp b/test/FrontendC++/thunk-weak-odr.cpp
new file mode 100644
index 00000000000..9f6a11d8f5a
--- /dev/null
+++ b/test/FrontendC++/thunk-weak-odr.cpp
@@ -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