From 8f7c56125e7c6106846fe742bdf80cd006e8c486 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 13 Nov 2016 15:16:43 +0000
Subject: [PATCH] [X86][AVX512] Add masked VPMOZX test case for PR26762

llvm-svn: 286763
---
 llvm/test/CodeGen/X86/avx512-ext.ll | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/llvm/test/CodeGen/X86/avx512-ext.ll b/llvm/test/CodeGen/X86/avx512-ext.ll
index d1e256c..77022b7 100644
--- a/llvm/test/CodeGen/X86/avx512-ext.ll
+++ b/llvm/test/CodeGen/X86/avx512-ext.ll
@@ -1822,6 +1822,28 @@ define <16 x i16> @shuffle_zext_16x8_to_16x16(<16 x i8> %a) nounwind readnone {
   ret <16 x i16> %2
 }
 
+define <16 x i16> @shuffle_zext_16x8_to_16x16_mask(<16 x i8> %a, <16 x i1> %mask) nounwind readnone {
+; KNL-LABEL: shuffle_zext_16x8_to_16x16_mask:
+; KNL:       ## BB#0:
+; KNL-NEXT:    vpmovzxbw {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero,xmm1[8],zero,xmm1[9],zero,xmm1[10],zero,xmm1[11],zero,xmm1[12],zero,xmm1[13],zero,xmm1[14],zero,xmm1[15],zero
+; KNL-NEXT:    vpmovzxbw {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; KNL-NEXT:    vpsllw $15, %ymm1, %ymm1
+; KNL-NEXT:    vpsraw $15, %ymm1, %ymm1
+; KNL-NEXT:    vpand %ymm0, %ymm1, %ymm0
+; KNL-NEXT:    retq
+;
+; SKX-LABEL: shuffle_zext_16x8_to_16x16_mask:
+; SKX:       ## BB#0:
+; SKX-NEXT:    vpsllw $7, %xmm1, %xmm1
+; SKX-NEXT:    vpmovb2m %xmm1, %k1
+; SKX-NEXT:    vpmovzxbw {{.*#+}} ymm0 {%k1} {z} = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero,xmm0[8],zero,xmm0[9],zero,xmm0[10],zero,xmm0[11],zero,xmm0[12],zero,xmm0[13],zero,xmm0[14],zero,xmm0[15],zero
+; SKX-NEXT:    retq
+  %x   = shufflevector <16 x i8> %a, <16 x i8> zeroinitializer, <32 x i32> <i32 0, i32 16, i32 1, i32 16, i32 2, i32 16, i32 3, i32 16, i32 4, i32 16, i32 5, i32 16, i32 6, i32 16, i32 7, i32 16, i32 8, i32 16, i32 9, i32 16, i32 10, i32 16, i32 11, i32 16, i32 12, i32 16, i32 13, i32 16, i32 14, i32 16, i32 15, i32 16>
+  %bc  = bitcast <32 x i8> %x to <16 x i16>
+  %ret = select <16 x i1> %mask, <16 x i16> %bc, <16 x i16> zeroinitializer
+  ret <16 x i16> %ret
+}
+
 define <16 x i16> @zext_32x8_to_16x16(<32 x i8> %a) {
 ; ALL-LABEL: zext_32x8_to_16x16:
 ; ALL:       ## BB#0:
-- 
2.7.4