27 lines · cpp
1// Inline comdat method definition example.2// The VTable is in a comdat and defined anywhere the inline definition is.3 4// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -o - -emit-llvm | FileCheck %s5 6// CHECK: $_ZTV1A = comdat any7// CHECK: $_ZTI1A = comdat any8// CHECK: $_ZTS1A = comdat any9// CHECK: $_ZTI1A.rtti_proxy = comdat any10 11// The VTable is linkonce_odr and in a comdat here bc it’s key function is inline defined.12// CHECK: @_ZTV1A.local = linkonce_odr hidden unnamed_addr constant { [3 x i32] } { [3 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint (ptr @_ZTI1A.rtti_proxy to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [3 x i32] }, ptr @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @_ZN1A3fooEv to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [3 x i32] }, ptr @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, comdat($_ZTV1A), align 413// CHECK: @_ZTV1A = linkonce_odr unnamed_addr alias { [3 x i32] }, ptr @_ZTV1A.local14 15class A {16public:17 virtual void foo();18};19void A_foo(A *a);20 21inline void A::foo() {}22 23void func() {24 A a;25 A_foo(&a);26}27