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 -fhalf-no-semantic-interposition | 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 24 void A::bar() {} 25 void B::foo() {} 26