1; RUN: llc -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s
2; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s
3; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s
4; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s
5
6target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
7
8%class.X = type { i8 }
9%struct.B = type { i32 (...)** }
10
11$"??_9B@@$BA@AA" = comdat any
12
13; Function Attrs: noinline optnone
14define linkonce_odr void @"??_9B@@$BA@AA"(%struct.B* %this, ...) #1 comdat align 2  {
15entry:
16  %this.addr = alloca %struct.B*, align 8
17  store %struct.B* %this, %struct.B** %this.addr, align 8
18  %this1 = load %struct.B*, %struct.B** %this.addr, align 8
19  call void asm sideeffect "", "~{d0}"()
20  %0 = bitcast %struct.B* %this1 to void (%struct.B*, ...)***
21  %vtable = load void (%struct.B*, ...)**, void (%struct.B*, ...)*** %0, align 8
22  %vfn = getelementptr inbounds void (%struct.B*, ...)*, void (%struct.B*, ...)** %vtable, i64 0
23  %1 = load void (%struct.B*, ...)*, void (%struct.B*, ...)** %vfn, align 8
24  musttail call void (%struct.B*, ...) %1(%struct.B* %this1, ...)
25  ret void
26                                                  ; No predecessors!
27  ret void
28}
29
30attributes #1 = { noinline optnone "thunk" }
31
32; CHECK: mov     v16.16b, v0.16b
33; CHECK: ldr     x9, [x0]
34; CHECK: ldr     x9, [x9]
35; CHECK: mov     v0.16b, v16.16b
36; CHECK: br      x9
37