[X86][AVX512] Add masked VPMOZX test case for PR26762

llvm-svn: 286763

diff --git a/llvm/test/CodeGen/X86/avx512-ext.ll b/llvm/test/CodeGen/X86/avx512-ext.ll
index d1e256c..77022b7 100644 (file)
--- 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: