26 lines · cpp
1// Check the vtable layout for classes with key functions defined in different2// translation units. This TU manifests the vtable for B.3 4// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -o - -emit-llvm -fhalf-no-semantic-interposition | FileCheck %s5 6#include "cross-tu-header.h"7 8// CHECK: $_ZTI1B.rtti_proxy = comdat any9 10// CHECK: @_ZTV1B.local = internal unnamed_addr constant { [4 x i32] } { [4 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint (ptr @_ZTI1B.rtti_proxy to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [4 x i32] }, ptr @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @_ZN1B3fooEv to i64), i64 ptrtoint (ptr getelementptr inbounds ({ [4 x i32] }, ptr @_ZTV1B.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 @_ZTV1B.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, align 411// CHECK: @_ZTV1B ={{.*}} unnamed_addr alias { [4 x i32] }, ptr @_ZTV1B.local12 13// A::bar() is defined outside of the module that defines the vtable for A14// CHECK: define{{.*}} void @_ZN1A3barEv(ptr {{.*}}%this) unnamed_addr15// CHECK-NEXT: entry:16// CHECK-NEXT: ret void17// CHECK-NEXT: }18 19// CHECK: define{{.*}} void @_ZN1B3fooEv(ptr {{.*}}%this) unnamed_addr20// CHECK-NEXT: entry:21// CHECK-NEXT: ret void22// CHECK-NEXT: }23 24void A::bar() {}25void B::foo() {}26