File: inlined-key-function.cpp

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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// Inline comdat method definition example.
// The VTable is in a comdat and defined anywhere the inline definition is.

// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -o - -emit-llvm | FileCheck %s

// CHECK: $_ZTV1A = comdat any
// CHECK: $_ZTI1A = comdat any
// CHECK: $_ZTS1A = comdat any
// CHECK: $_ZTI1A.rtti_proxy = comdat any

// The VTable is linkonce_odr and in a comdat here bc it’s key function is inline defined.
// CHECK: @_ZTV1A.local = linkonce_odr hidden unnamed_addr constant { [3 x i32] } { [3 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint (ptr @_ZTI1A.rtti_proxy to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [3 x i32] }, ptr @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @_ZN1A3fooEv to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [3 x i32] }, ptr @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, comdat($_ZTV1A), align 4
// CHECK: @_ZTV1A = linkonce_odr unnamed_addr alias { [3 x i32] }, ptr @_ZTV1A.local

class A {
public:
  virtual void foo();
};
void A_foo(A *a);

inline void A::foo() {}

void func() {
  A a;
  A_foo(&a);
}