clang/test/CodeGenCXX/RelativeVTablesABI/inline-virtual-function.cpp

   1 // The VTable is not in a comdat but the inline methods are.
   2 // This doesn’t affect the vtable or the stubs we emit.
   3
   4 // RUN: %clang_cc1 %s -triple=aarch64 -O1 -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables -fhalf-no-semantic-interposition | FileCheck %s
   5 // RUN: %clang_cc1 %s -triple=x86_64 -O1 -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables -fhalf-no-semantic-interposition | FileCheck %s
   6
   7 // CHECK: $_ZTI1A.rtti_proxy = comdat any
   8
   9 // The vtable has a key function (A::foo()) so it does not have a comdat
  10 // CHECK: @_ZTV1A.local = private unnamed_addr constant { [4 x i32] } { [4 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint (ptr @_ZTI1A.rtti_proxy to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [4 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 ({ [4 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 @_ZN1A3barEv to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [4 x i32] }, ptr @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, align 4
  11 // CHECK: @_ZTV1A ={{.*}} unnamed_addr alias { [4 x i32] }, ptr @_ZTV1A.local
  12
  13 class A {
  14 public:
  15   virtual void foo(); // Key func
  16   inline virtual void bar() {}
  17 };
  18
  19 void A::foo() {}