21 lines · cpp
1// Check that we call llvm.load.relative() on a vtable function call.2 3// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O3 -o - -emit-llvm | FileCheck %s4 5// CHECK: define{{.*}} void @_Z5A_fooP1A(ptr noundef %a) local_unnamed_addr6// CHECK-NEXT: entry:7// CHECK-NEXT: %vtable = load ptr, ptr %a8// CHECK-NEXT: [[func_ptr:%[0-9]+]] = tail call ptr @llvm.load.relative.i32(ptr %vtable, i32 0)9// CHECK-NEXT: tail call void [[func_ptr]](ptr {{[^,]*}} %a)10// CHECK-NEXT: ret void11// CHECK-NEXT: }12 13class A {14public:15 virtual void foo();16};17 18void A_foo(A *a) {19 a->foo();20}21