From 230768d5faef20e38083801e8a5c72c693958bad Mon Sep 17 00:00:00 2001 From: Eric Christopher Date: Tue, 16 Aug 2011 21:41:26 +0000 Subject: [PATCH] Migrate thunk-linkonce-odr.cpp from llvm/test/FrontendC++. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137761 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGenCXX/thunk-linkonce-odr.cpp | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 test/CodeGenCXX/thunk-linkonce-odr.cpp diff --git a/test/CodeGenCXX/thunk-linkonce-odr.cpp b/test/CodeGenCXX/thunk-linkonce-odr.cpp new file mode 100644 index 0000000000..4f4d61d5a9 --- /dev/null +++ b/test/CodeGenCXX/thunk-linkonce-odr.cpp @@ -0,0 +1,33 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s +// & + +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 "linkonce ODR" not "weak". +// +// CHECK: define linkonce_odr i32 @_ZThn{{[48]}}_N1D1fEv +// CHECK: define linkonce_odr i32 @_ZThn{{[48]}}_N1C1fEv -- 2.40.0