1; RUN: llc < %s -mtriple=arm64-eabi -aarch64-neon-syntax=apple | FileCheck %s
2
3; LowerCONCAT_VECTORS() was reversing the order of two parts.
4; rdar://11558157
5; rdar://11559553
6define <16 x i8> @test(<16 x i8> %q0, <16 x i8> %q1, i8* nocapture %dest) nounwind {
7entry:
8; CHECK-LABEL: test:
9; CHECK: mov.d v0[1], v1[0]
10  %0 = bitcast <16 x i8> %q0 to <2 x i64>
11  %shuffle.i = shufflevector <2 x i64> %0, <2 x i64> undef, <1 x i32> zeroinitializer
12  %1 = bitcast <16 x i8> %q1 to <2 x i64>
13  %shuffle.i4 = shufflevector <2 x i64> %1, <2 x i64> undef, <1 x i32> zeroinitializer
14  %shuffle.i3 = shufflevector <1 x i64> %shuffle.i, <1 x i64> %shuffle.i4, <2 x i32> <i32 0, i32 1>
15  %2 = bitcast <2 x i64> %shuffle.i3 to <16 x i8>
16  ret <16 x i8> %2
17}
18