From a5ef3daf1d776384eff624725dfc1738e02ad018 Mon Sep 17 00:00:00 2001
From: David Green <david.green@arm.com>
Date: Mon, 14 Oct 2019 14:29:26 +0000
Subject: [PATCH] [ARM] Add some VMOVN tests. NFC

llvm-svn: 374777
---
 llvm/test/CodeGen/Thumb2/mve-vmovn.ll | 704 ++++++++++++++++++++++++++++++++++
 1 file changed, 704 insertions(+)
 create mode 100644 llvm/test/CodeGen/Thumb2/mve-vmovn.ll

diff --git a/llvm/test/CodeGen/Thumb2/mve-vmovn.ll b/llvm/test/CodeGen/Thumb2/mve-vmovn.ll
new file mode 100644
index 0000000..642c5ff
--- /dev/null
+++ b/llvm/test/CodeGen/Thumb2/mve-vmovn.ll
@@ -0,0 +1,704 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -mtriple=thumbv8.1m.main-arm-none-eabi -mattr=+mve -verify-machineinstrs %s -o - | FileCheck %s
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn32_trunc1(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_trunc1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov r0, s8
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov r0, s4
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov r0, s9
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov r0, s5
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov r0, s10
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov r0, s6
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov r0, s11
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov r0, s7
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <4 x i32> %src1, <4 x i32> %src2, <8 x i32> <i32 0, i32 4, i32 1, i32 5, i32 2, i32 6, i32 3, i32 7>
+  %out = trunc <8 x i32> %strided.vec to <8 x i16>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn32_trunc2(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_trunc2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov r0, s4
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov r0, s8
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov r0, s5
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov r0, s9
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov r0, s6
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov r0, s10
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov r0, s7
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov r0, s11
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <4 x i32> %src1, <4 x i32> %src2, <8 x i32> <i32 4, i32 0, i32 5, i32 1, i32 6, i32 2, i32 7, i32 3>
+  %out = trunc <8 x i32> %strided.vec to <8 x i16>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn16_trunc1(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_trunc1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u16 r0, q0[0]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[1]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[1]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[3]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[3]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[5]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[5]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[7]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[7]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <8 x i16> %src1, <8 x i16> %src2, <16 x i32> <i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11, i32 4, i32 12, i32 5, i32 13, i32 6, i32 14, i32 7, i32 15>
+  %out = trunc <16 x i16> %strided.vec to <16 x i8>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn16_trunc2(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_trunc2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[1]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[1]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[3]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[3]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[5]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[5]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[7]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[7]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <8 x i16> %src1, <8 x i16> %src2, <16 x i32> <i32 8, i32 0, i32 9, i32 1, i32 10, i32 2, i32 11, i32 3, i32 12, i32 4, i32 13, i32 5, i32 14, i32 6, i32 15, i32 7>
+  %out = trunc <16 x i16> %strided.vec to <16 x i8>
+  ret <16 x i8> %out
+}
+
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_t1(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_t1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s2, s4
+; CHECK-NEXT:    vmov.f32 s3, s5
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 0, i32 2>
+  ret <2 x i64> %out
+}
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_t2(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_t2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s6, s0
+; CHECK-NEXT:    vmov.f32 s7, s1
+; CHECK-NEXT:    vmov q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 2, i32 0>
+  ret <2 x i64> %out
+}
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_b1(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_b1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s2, s6
+; CHECK-NEXT:    vmov.f32 s3, s7
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 0, i32 3>
+  ret <2 x i64> %out
+}
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_b2(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_b2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s4, s6
+; CHECK-NEXT:    vmov.f32 s5, s7
+; CHECK-NEXT:    vmov.f32 s6, s0
+; CHECK-NEXT:    vmov.f32 s7, s1
+; CHECK-NEXT:    vmov q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 3, i32 0>
+  ret <2 x i64> %out
+}
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_b3(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_b3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s0, s2
+; CHECK-NEXT:    vmov.f32 s1, s3
+; CHECK-NEXT:    vmov.f32 s2, s4
+; CHECK-NEXT:    vmov.f32 s3, s5
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 1, i32 2>
+  ret <2 x i64> %out
+}
+
+define arm_aapcs_vfpcc <2 x i64> @vmovn64_b4(<2 x i64> %src1, <2 x i64> %src2) {
+; CHECK-LABEL: vmovn64_b4:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s6, s2
+; CHECK-NEXT:    vmov.f32 s7, s3
+; CHECK-NEXT:    vmov q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <2 x i64> %src1, <2 x i64> %src2, <2 x i32> <i32 2, i32 1>
+  ret <2 x i64> %out
+}
+
+
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_t1(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_t1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s1, s4
+; CHECK-NEXT:    vmov.f32 s3, s6
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 0, i32 4, i32 2, i32 6>
+  ret <4 x i32> %out
+}
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_t2(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_t2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s5, s0
+; CHECK-NEXT:    vmov.f32 s7, s2
+; CHECK-NEXT:    vmov q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 4, i32 0, i32 6, i32 2>
+  ret <4 x i32> %out
+}
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_b1(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_b1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s1, s5
+; CHECK-NEXT:    vmov.f32 s3, s7
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
+  ret <4 x i32> %out
+}
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_b2(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_b2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s8, s5
+; CHECK-NEXT:    vmov.f32 s9, s0
+; CHECK-NEXT:    vmov.f32 s10, s7
+; CHECK-NEXT:    vmov.f32 s11, s2
+; CHECK-NEXT:    vmov q0, q2
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 5, i32 0, i32 7, i32 2>
+  ret <4 x i32> %out
+}
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_b3(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_b3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s8, s1
+; CHECK-NEXT:    vmov.f32 s9, s4
+; CHECK-NEXT:    vmov.f32 s10, s3
+; CHECK-NEXT:    vmov.f32 s11, s6
+; CHECK-NEXT:    vmov q0, q2
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 1, i32 4, i32 3, i32 6>
+  ret <4 x i32> %out
+}
+
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_b4(<4 x i32> %src1, <4 x i32> %src2) {
+; CHECK-LABEL: vmovn32_b4:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s5, s1
+; CHECK-NEXT:    vmov.f32 s7, s3
+; CHECK-NEXT:    vmov q0, q1
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> %src2, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
+  ret <4 x i32> %out
+}
+
+
+
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_t1(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_t1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u16 r0, q0[0]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 0, i32 8, i32 2, i32 10, i32 4, i32 12, i32 6, i32 14>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_t2(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_t2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[0]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 8, i32 0, i32 10, i32 2, i32 12, i32 4, i32 14, i32 6>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_b1(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_b1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u16 r0, q0[0]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[1]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[3]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[5]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[7]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 0, i32 9, i32 2, i32 11, i32 4, i32 13, i32 6, i32 15>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_b2(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_b2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u16 r0, q1[1]
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[0]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[3]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[2]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[5]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[4]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[7]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[6]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 9, i32 0, i32 11, i32 2, i32 13, i32 4, i32 15, i32 6>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_b3(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_b3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u16 r0, q0[1]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[3]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[5]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[7]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 1, i32 8, i32 3, i32 10, i32 5, i32 12, i32 7, i32 14>
+  ret <8 x i16> %out
+}
+
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_b4(<8 x i16> %src1, <8 x i16> %src2) {
+; CHECK-LABEL: vmovn16_b4:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u16 r0, q1[0]
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[1]
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[3]
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[5]
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.u16 r0, q2[7]
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> %src2, <8 x i32> <i32 8, i32 1, i32 10, i32 3, i32 12, i32 5, i32 14, i32 7>
+  ret <8 x i16> %out
+}
+
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_b1(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_b1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u8 r0, q0[0]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[8]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[8]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[10]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[10]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[12]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[12]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[14]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[14]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 0, i32 16, i32 2, i32 18, i32 4, i32 20, i32 6, i32 22, i32 8, i32 24, i32 10, i32 26, i32 12, i32 28, i32 14, i32 30>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_b2(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_b2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u8 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[8]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[8]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[10]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[10]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[12]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[12]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[14]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[14]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 16, i32 0, i32 18, i32 2, i32 20, i32 4, i32 22, i32 6, i32 24, i32 8, i32 26, i32 10, i32 28, i32 12, i32 30, i32 14>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_t1(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_t1:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u8 r0, q0[0]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[1]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[3]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[5]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[7]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[8]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[9]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[10]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[11]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[12]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[13]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[14]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[15]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 0, i32 17, i32 2, i32 19, i32 4, i32 21, i32 6, i32 23, i32 8, i32 25, i32 10, i32 27, i32 12, i32 29, i32 14, i32 31>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_t2(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_t2:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u8 r0, q1[1]
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[3]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[2]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[5]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[4]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[7]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[6]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[9]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[8]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[11]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[10]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[13]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[12]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[15]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[14]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 17, i32 0, i32 19, i32 2, i32 21, i32 4, i32 23, i32 6, i32 25, i32 8, i32 27, i32 10, i32 29, i32 12, i32 31, i32 14>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_t3(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_t3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u8 r0, q0[1]
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[3]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[5]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[7]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[9]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[8]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[11]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[10]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[13]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[12]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[15]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[14]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 1, i32 16, i32 3, i32 18, i32 5, i32 20, i32 7, i32 22, i32 9, i32 24, i32 11, i32 26, i32 13, i32 28, i32 15, i32 30>
+  ret <16 x i8> %out
+}
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_t4(<16 x i8> %src1, <16 x i8> %src2) {
+; CHECK-LABEL: vmovn8_t4:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q2, q0
+; CHECK-NEXT:    vmov.u8 r0, q1[0]
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[1]
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[3]
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[5]
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[7]
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[8]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[9]
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[10]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[11]
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[12]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[13]
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[14]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.u8 r0, q2[15]
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> %src2, <16 x i32> <i32 16, i32 1, i32 18, i32 3, i32 20, i32 5, i32 22, i32 7, i32 24, i32 9, i32 26, i32 11, i32 28, i32 13, i32 30, i32 15>
+  ret <16 x i8> %out
+}
-- 
2.7.4