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1; RUN: llc -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s2; RUN: llc -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s3; RUN: llc -mtriple=arm64ec-windows-msvc %s -o - | FileCheck %s --check-prefixes=CHECK-EC4; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-windows-msvc %s -o - | FileCheck %s5; RUN: llc -global-isel -global-isel-abort=2 -verify-machineinstrs -mtriple=aarch64-linux-gnu %s -o - | FileCheck %s6 7target datalayout = "e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128"8 9%class.X = type { i8 }10%struct.B = type { ptr }11%struct.__va_list = type { ptr, ptr, ptr, i32, i32 }12 13$"??_9B@@$BA@AA" = comdat any14 15; Function Attrs: noinline optnone16define linkonce_odr void @"??_9B@@$BA@AA"(ptr %this, ...) #1 comdat align 2 {17entry:18 %valist = alloca %struct.__va_list19 call void @llvm.va_start.p0(ptr %valist)20 %this.addr = alloca ptr, align 821 store ptr %this, ptr %this.addr, align 822 %this1 = load ptr, ptr %this.addr, align 823 call void asm sideeffect "", "~{d0}"()24 %vtable = load ptr, ptr %this1, align 825 %0 = load ptr, ptr %vtable, align 826 call void @llvm.va_end.p0(ptr %valist)27 musttail call void (ptr, ...) %0(ptr %this1, ...)28 ret void29 ; No predecessors!30 ret void31}32 33attributes #1 = { noinline optnone "thunk" }34 35; CHECK: mov v16.16b, v0.16b36; CHECK: ldr x9, [x0]37; CHECK: ldr x9, [x9]38; CHECK: mov v0.16b, v16.16b39; CHECK: br x940; CHECK-EC: mov v7.16b, v0.16b41; CHECK-EC: ldr x9, [x0]42; CHECK-EC: ldr x11, [x9]43; CHECK-EC: blr x944; CHECK-EC-NEXT: mov v0.16b, v7.16b45; CHECK-EC-NEXT: ldr q7, [sp]46; CHECK-EC-NEXT: .seh_startepilogue47; CHECK-EC-NEXT: ldr x30, [sp, #48]48; CHECK-EC-NEXT: .seh_save_reg x30, 4849; CHECK-EC-NEXT: add sp, sp, #9650; CHECK-EC-NEXT: .seh_stackalloc 9651; CHECK-EC-NEXT: .seh_endepilogue52; CHECK-EC-NEXT: br x1153