You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
25 lines
1.6 KiB
25 lines
1.6 KiB
// Check the layout of the vtable for a normal class.
|
|
// The Fuchsia relative vtables ABI will be hidden behind a flag for now as part
|
|
// of a soft incremental rollout. This ABI should only be used if the flag for
|
|
// it is passed on Fuchsia.
|
|
|
|
// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables | FileCheck --check-prefix=RELATIVE-ABI %s
|
|
// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -S -o - -emit-llvm -fno-experimental-relative-c++-abi-vtables | FileCheck --check-prefix=DEFAULT-ABI %s
|
|
// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -S -o - -emit-llvm | FileCheck --check-prefix=DEFAULT-ABI %s
|
|
|
|
// VTable contains offsets and references to the hidden symbols
|
|
// RELATIVE-ABI: @_ZTV1A.local = private unnamed_addr constant { [3 x i32] } { [3 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint ({ i8*, i8* }** @_ZTI1A.rtti_proxy to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [3 x i32] }, { [3 x i32] }* @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.A*)* dso_local_equivalent @_ZN1A3fooEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [3 x i32] }, { [3 x i32] }* @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, align 4
|
|
// RELATIVE-ABI: @_ZTV1A = unnamed_addr alias { [3 x i32] }, { [3 x i32] }* @_ZTV1A.local
|
|
// DEFAULT-ABI: @_ZTV1A = unnamed_addr constant { [3 x i8*] } { [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1A3fooEv to i8*)] }, align 8
|
|
|
|
class A {
|
|
public:
|
|
virtual void foo();
|
|
};
|
|
|
|
void A::foo() {}
|
|
|
|
void A_foo(A *a) {
|
|
a->foo();
|
|
}
|