llvm-for-llvmta/test/CodeGen/AArch64/vararg-tallcall.ll

37 lines
1.5 KiB
LLVM

; RUN: llc -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s
; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s
; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s
; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s
target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"
%class.X = type { i8 }
%struct.B = type { i32 (...)** }
$"??_9B@@$BA@AA" = comdat any
; Function Attrs: noinline optnone
define linkonce_odr void @"??_9B@@$BA@AA"(%struct.B* %this, ...) #1 comdat align 2 {
entry:
%this.addr = alloca %struct.B*, align 8
store %struct.B* %this, %struct.B** %this.addr, align 8
%this1 = load %struct.B*, %struct.B** %this.addr, align 8
call void asm sideeffect "", "~{d0}"()
%0 = bitcast %struct.B* %this1 to void (%struct.B*, ...)***
%vtable = load void (%struct.B*, ...)**, void (%struct.B*, ...)*** %0, align 8
%vfn = getelementptr inbounds void (%struct.B*, ...)*, void (%struct.B*, ...)** %vtable, i64 0
%1 = load void (%struct.B*, ...)*, void (%struct.B*, ...)** %vfn, align 8
musttail call void (%struct.B*, ...) %1(%struct.B* %this1, ...)
ret void
; No predecessors!
ret void
}
attributes #1 = { noinline optnone "thunk" }
; CHECK: mov v16.16b, v0.16b
; CHECK: ldr x9, [x0]
; CHECK: ldr x9, [x9]
; CHECK: mov v0.16b, v16.16b
; CHECK: br x9