From 0f60ed1205351eaedda773c2671ae7d32b9c74ce Mon Sep 17 00:00:00 2001
From: David Green <david.green@arm.com>
Date: Thu, 11 Feb 2021 17:50:11 +0000
Subject: [PATCH] [ARM] Single source vmovnt tests. NFC

---
 llvm/test/CodeGen/Thumb2/mve-vmovn.ll | 214 ++++++++++++++++++++++++++
 1 file changed, 214 insertions(+)

diff --git a/llvm/test/CodeGen/Thumb2/mve-vmovn.ll b/llvm/test/CodeGen/Thumb2/mve-vmovn.ll
index 1713798e62ea..bb79451bec52 100644
--- a/llvm/test/CodeGen/Thumb2/mve-vmovn.ll
+++ b/llvm/test/CodeGen/Thumb2/mve-vmovn.ll
@@ -41,6 +41,48 @@ entry:
   ret <8 x i16> %out
 }
 
+define arm_aapcs_vfpcc <8 x i16> @vmovn32_trunc3(<4 x i32> %src1) {
+; CHECK-LABEL: vmovn32_trunc3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    vmov r0, s4
+; CHECK-NEXT:    vmov.16 q0[0], r0
+; CHECK-NEXT:    vmov.16 q0[1], r0
+; CHECK-NEXT:    vmov r0, s5
+; CHECK-NEXT:    vmov.16 q0[2], r0
+; CHECK-NEXT:    vmov.16 q0[3], r0
+; CHECK-NEXT:    vmov r0, s6
+; CHECK-NEXT:    vmov.16 q0[4], r0
+; CHECK-NEXT:    vmov.16 q0[5], r0
+; CHECK-NEXT:    vmov r0, s7
+; CHECK-NEXT:    vmov.16 q0[6], r0
+; CHECK-NEXT:    vmov.16 q0[7], r0
+; CHECK-NEXT:    bx lr
+;
+; CHECKBE-LABEL: vmovn32_trunc3:
+; CHECKBE:       @ %bb.0: @ %entry
+; CHECKBE-NEXT:    vrev64.32 q2, q0
+; CHECKBE-NEXT:    vmov r0, s8
+; CHECKBE-NEXT:    vmov.16 q1[0], r0
+; CHECKBE-NEXT:    vmov.16 q1[1], r0
+; CHECKBE-NEXT:    vmov r0, s9
+; CHECKBE-NEXT:    vmov.16 q1[2], r0
+; CHECKBE-NEXT:    vmov.16 q1[3], r0
+; CHECKBE-NEXT:    vmov r0, s10
+; CHECKBE-NEXT:    vmov.16 q1[4], r0
+; CHECKBE-NEXT:    vmov.16 q1[5], r0
+; CHECKBE-NEXT:    vmov r0, s11
+; CHECKBE-NEXT:    vmov.16 q1[6], r0
+; CHECKBE-NEXT:    vmov.16 q1[7], r0
+; CHECKBE-NEXT:    vrev64.16 q0, q1
+; CHECKBE-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <4 x i32> %src1, <4 x i32> undef, <8 x i32> <i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, 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
@@ -80,6 +122,72 @@ entry:
   ret <16 x i8> %out
 }
 
+define arm_aapcs_vfpcc <16 x i8> @vmovn16_trunc3(<8 x i16> %src1) {
+; CHECK-LABEL: vmovn16_trunc3:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u16 r0, q0[0]
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[1]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[3]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[5]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u16 r0, q1[7]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+;
+; CHECKBE-LABEL: vmovn16_trunc3:
+; CHECKBE:       @ %bb.0: @ %entry
+; CHECKBE-NEXT:    vrev64.16 q2, q0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[0]
+; CHECKBE-NEXT:    vmov.8 q1[0], r0
+; CHECKBE-NEXT:    vmov.8 q1[1], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[1]
+; CHECKBE-NEXT:    vmov.8 q1[2], r0
+; CHECKBE-NEXT:    vmov.8 q1[3], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[2]
+; CHECKBE-NEXT:    vmov.8 q1[4], r0
+; CHECKBE-NEXT:    vmov.8 q1[5], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[3]
+; CHECKBE-NEXT:    vmov.8 q1[6], r0
+; CHECKBE-NEXT:    vmov.8 q1[7], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[4]
+; CHECKBE-NEXT:    vmov.8 q1[8], r0
+; CHECKBE-NEXT:    vmov.8 q1[9], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[5]
+; CHECKBE-NEXT:    vmov.8 q1[10], r0
+; CHECKBE-NEXT:    vmov.8 q1[11], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[6]
+; CHECKBE-NEXT:    vmov.8 q1[12], r0
+; CHECKBE-NEXT:    vmov.8 q1[13], r0
+; CHECKBE-NEXT:    vmov.u16 r0, q2[7]
+; CHECKBE-NEXT:    vmov.8 q1[14], r0
+; CHECKBE-NEXT:    vmov.8 q1[15], r0
+; CHECKBE-NEXT:    vrev64.8 q0, q1
+; CHECKBE-NEXT:    bx lr
+entry:
+  %strided.vec = shufflevector <8 x i16> %src1, <8 x i16> undef, <16 x i32> <i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, i32 3, i32 4, i32 4, i32 5, i32 5, i32 6, i32 6, i32 7, 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:
@@ -331,6 +439,25 @@ entry:
   ret <4 x i32> %out
 }
 
+define arm_aapcs_vfpcc <4 x i32> @vmovn32_single_t(<4 x i32> %src1) {
+; CHECK-LABEL: vmovn32_single_t:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.f32 s1, s0
+; CHECK-NEXT:    vmov.f32 s3, s2
+; CHECK-NEXT:    bx lr
+;
+; CHECKBE-LABEL: vmovn32_single_t:
+; CHECKBE:       @ %bb.0: @ %entry
+; CHECKBE-NEXT:    vrev64.32 q1, q0
+; CHECKBE-NEXT:    vmov.f32 s5, s4
+; CHECKBE-NEXT:    vmov.f32 s7, s6
+; CHECKBE-NEXT:    vrev64.32 q0, q1
+; CHECKBE-NEXT:    bx lr
+entry:
+  %out = shufflevector <4 x i32> %src1, <4 x i32> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
+  ret <4 x i32> %out
+}
+
 
 
 
@@ -474,6 +601,29 @@ entry:
   ret <8 x i16> %out
 }
 
+define arm_aapcs_vfpcc <8 x i16> @vmovn16_single_t(<8 x i16> %src1) {
+; CHECK-LABEL: vmovn16_single_t:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vins.f16 s0, s0
+; CHECK-NEXT:    vins.f16 s1, s1
+; CHECK-NEXT:    vins.f16 s2, s2
+; CHECK-NEXT:    vins.f16 s3, s3
+; CHECK-NEXT:    bx lr
+;
+; CHECKBE-LABEL: vmovn16_single_t:
+; CHECKBE:       @ %bb.0: @ %entry
+; CHECKBE-NEXT:    vrev64.16 q1, q0
+; CHECKBE-NEXT:    vins.f16 s5, s5
+; CHECKBE-NEXT:    vins.f16 s4, s4
+; CHECKBE-NEXT:    vins.f16 s6, s6
+; CHECKBE-NEXT:    vins.f16 s7, s7
+; CHECKBE-NEXT:    vrev64.16 q0, q1
+; CHECKBE-NEXT:    bx lr
+entry:
+  %out = shufflevector <8 x i16> %src1, <8 x i16> undef, <8 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6>
+  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:
@@ -710,3 +860,67 @@ 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
 }
+
+define arm_aapcs_vfpcc <16 x i8> @vmovn8_single_t(<16 x i8> %src1) {
+; CHECK-LABEL: vmovn8_single_t:
+; CHECK:       @ %bb.0: @ %entry
+; CHECK-NEXT:    vmov.u8 r0, q0[0]
+; CHECK-NEXT:    vmov q1, q0
+; CHECK-NEXT:    vmov.8 q0[0], r0
+; CHECK-NEXT:    vmov.8 q0[1], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[2]
+; CHECK-NEXT:    vmov.8 q0[2], r0
+; CHECK-NEXT:    vmov.8 q0[3], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[4]
+; CHECK-NEXT:    vmov.8 q0[4], r0
+; CHECK-NEXT:    vmov.8 q0[5], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[6]
+; CHECK-NEXT:    vmov.8 q0[6], r0
+; CHECK-NEXT:    vmov.8 q0[7], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[8]
+; CHECK-NEXT:    vmov.8 q0[8], r0
+; CHECK-NEXT:    vmov.8 q0[9], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[10]
+; CHECK-NEXT:    vmov.8 q0[10], r0
+; CHECK-NEXT:    vmov.8 q0[11], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[12]
+; CHECK-NEXT:    vmov.8 q0[12], r0
+; CHECK-NEXT:    vmov.8 q0[13], r0
+; CHECK-NEXT:    vmov.u8 r0, q1[14]
+; CHECK-NEXT:    vmov.8 q0[14], r0
+; CHECK-NEXT:    vmov.8 q0[15], r0
+; CHECK-NEXT:    bx lr
+;
+; CHECKBE-LABEL: vmovn8_single_t:
+; CHECKBE:       @ %bb.0: @ %entry
+; CHECKBE-NEXT:    vrev64.8 q2, q0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[0]
+; CHECKBE-NEXT:    vmov.8 q1[0], r0
+; CHECKBE-NEXT:    vmov.8 q1[1], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[2]
+; CHECKBE-NEXT:    vmov.8 q1[2], r0
+; CHECKBE-NEXT:    vmov.8 q1[3], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[4]
+; CHECKBE-NEXT:    vmov.8 q1[4], r0
+; CHECKBE-NEXT:    vmov.8 q1[5], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[6]
+; CHECKBE-NEXT:    vmov.8 q1[6], r0
+; CHECKBE-NEXT:    vmov.8 q1[7], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[8]
+; CHECKBE-NEXT:    vmov.8 q1[8], r0
+; CHECKBE-NEXT:    vmov.8 q1[9], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[10]
+; CHECKBE-NEXT:    vmov.8 q1[10], r0
+; CHECKBE-NEXT:    vmov.8 q1[11], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[12]
+; CHECKBE-NEXT:    vmov.8 q1[12], r0
+; CHECKBE-NEXT:    vmov.8 q1[13], r0
+; CHECKBE-NEXT:    vmov.u8 r0, q2[14]
+; CHECKBE-NEXT:    vmov.8 q1[14], r0
+; CHECKBE-NEXT:    vmov.8 q1[15], r0
+; CHECKBE-NEXT:    vrev64.8 q0, q1
+; CHECKBE-NEXT:    bx lr
+entry:
+  %out = shufflevector <16 x i8> %src1, <16 x i8> undef, <16 x i32> <i32 0, i32 0, i32 2, i32 2, i32 4, i32 4, i32 6, i32 6, i32 8, i32 8, i32 10, i32 10, i32 12, i32 12, i32 14, i32 14>
+  ret <16 x i8> %out
+}