| // Check that we call llvm.load.relative() on a vtable function call. |
| |
| // RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O3 -S -o - -emit-llvm | FileCheck %s |
| |
| // CHECK: define{{.*}} void @_Z5A_fooP1A(%class.A* %a) local_unnamed_addr |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[this:%[0-9]+]] = bitcast %class.A* %a to i8** |
| // CHECK-NEXT: %vtable1 = load i8*, i8** [[this]] |
| // CHECK-NEXT: [[func_ptr:%[0-9]+]] = tail call i8* @llvm.load.relative.i32(i8* %vtable1, i32 0) |
| // CHECK-NEXT: [[func:%[0-9]+]] = bitcast i8* [[func_ptr]] to void (%class.A*)* |
| // CHECK-NEXT: tail call void [[func]](%class.A* {{[^,]*}} %a) |
| // CHECK-NEXT: ret void |
| // CHECK-NEXT: } |
| |
| class A { |
| public: |
| virtual void foo(); |
| }; |
| |
| void A_foo(A *a) { |
| a->foo(); |
| } |