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1; RUN: llc -o - %s | FileCheck %s2 3target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"4target triple = "arm64-apple-ios10.0.0"5 6; PR33475 - Expect 64-bit operations as 128-operations are not legal7; However, we can generate a paired 64-bit loads and stores, without using8; floating point registers.9 10; CHECK-LABEL: pr3347511; CHECK-DAG: ldp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x1, #16]12; CHECK-DAG: ldp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x1]13; CHECK-DAG: stp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x0, #16]14; CHECK-DAG: stp [[R0:x[0-9]+]], [[R0:x[0-9]+]], [x0]15 16define void @pr33475(ptr %p0, ptr %p1) noimplicitfloat {17 call void @llvm.memcpy.p0.p0.i64(ptr align 4 %p0, ptr align 4 %p1, i64 32, i1 false)18 ret void19}20 21declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)22