1 // Check the vtable layout for classes with key functions defined in different
2 // translation units. This TU manifests the vtable for B.
3
4 // RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables | FileCheck %s
5
6 #include "cross-tu-header.h"
7
8 // CHECK: $_ZTI1B.rtti_proxy = comdat any
9
10 // CHECK: @_ZTV1B.local = private unnamed_addr constant { [4 x i32] } { [4 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint ({ i8*, i8*, i8* }** @_ZTI1B.rtti_proxy to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.B*)* dso_local_equivalent @_ZN1B3fooEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.A*)* dso_local_equivalent @_ZN1A3barEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [4 x i32] }, { [4 x i32] }* @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, align 4
11 // CHECK: @_ZTV1B = unnamed_addr alias { [4 x i32] }, { [4 x i32] }* @_ZTV1B.local
12
13 // A::bar() is defined outside of the module that defines the vtable for A
14 // CHECK: define void @_ZN1A3barEv(%class.A* {{.*}}%this) unnamed_addr
15 // CHECK-NEXT: entry:
16 // CHECK-NEXT: ret void
17 // CHECK-NEXT: }
18
19 // CHECK: define void @_ZN1B3fooEv(%class.B* {{.*}}%this) unnamed_addr
20 // CHECK-NEXT: entry:
21 // CHECK-NEXT: ret void
22 // CHECK-NEXT: }
23
bar()24 void A::bar() {}
foo()25 void B::foo() {}
26