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Migrate thunk-linkonce-odr.cpp from llvm/test/FrontendC++. 

llvm-svn: 137761
This commit is contained in:
Eric Christopher 2011-08-16 21:41:26 +00:00
parent e1962328f5
commit 8a24ed567c
1 changed files with 33 additions and 0 deletions
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33
clang/test/CodeGenCXX/thunk-linkonce-odr.cpp Normal file
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// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
// <rdar://problem/7929157> & <rdar://problem/8104369>
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