summaryrefslogtreecommitdiff
path: root/clang/test/CodeGenCXX/thunk-linkonce-odr.cpp
blob: 4f4d61d5a9a8a9c2409cadab5ea420fafbcf96f8 (about) (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
// 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