| // Check the vtable layout for classes with key functions defined in different |
| // translation units. This TU manifests the vtable for B. |
| |
| // RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables | FileCheck %s |
| |
| #include "cross-tu-header.h" |
| |
| // CHECK: $_ZN1B3fooEv.stub = comdat any |
| // CHECK: $_ZN1A3barEv.stub = comdat any |
| // CHECK: $_ZTI1B.rtti_proxy = comdat any |
| |
| // 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*)* @_ZN1B3fooEv.stub 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*)* @_ZN1A3barEv.stub 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 |
| // CHECK: @_ZTV1B = unnamed_addr alias { [4 x i32] }, { [4 x i32] }* @_ZTV1B.local |
| |
| // A::bar() is defined outside of the module that defines the vtable for A |
| // CHECK: define void @_ZN1A3barEv(%class.A* nocapture %this) unnamed_addr |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| // CHECK: define void @_ZN1B3fooEv(%class.B* nocapture %this) unnamed_addr |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| // The stubs for B::foo() and A::bar() are hidden |
| // CHECK: define hidden void @_ZN1B3fooEv.stub(%class.B* nocapture %0) unnamed_addr #{{[0-9]+}} comdat |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| // CHECK: define hidden void @_ZN1A3barEv.stub(%class.A* nocapture %0) unnamed_addr #{{[0-9]+}} comdat |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| void A::bar() {} |
| void B::foo() {} |
