File: vtable-key-function-win-comdat.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (25 lines) | stat: -rw-r--r-- 823 bytes parent folder | download | duplicates (8) 
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
 
// RUN: %clang_cc1 %s -triple=x86_64-pc-windows-gnu -emit-llvm -o - | FileCheck %s

namespace std { class type_info; }
extern void use(const std::type_info &rtti);

struct Test1a {
  Test1a();
  virtual void foo();
  virtual void bar();
};

// V-table needs to be defined weakly.
Test1a::Test1a() { use(typeid(Test1a)); }
// This defines the key function.
inline void Test1a::foo() {}

// CHECK:     $_ZTV6Test1a = comdat any
// CHECK:     $_ZTS6Test1a = comdat any
// CHECK:     $_ZTI6Test1a = comdat any
// CHECK-NOT: $_ZTS6Test1a.1 = comdat any
// CHECK-NOT: $_ZTI6Test1a.1 = comdat any

// CHECK: @_ZTV6Test1a = linkonce_odr dso_local unnamed_addr constant {{.*}} ptr @_ZTI6Test1a
// CHECK: @_ZTS6Test1a = linkonce_odr dso_local constant
// CHECK: @_ZTI6Test1a = linkonce_odr dso_local constant {{.*}} ptr @_ZTS6Test1a