[llvm] r312481 - Added shuffle test case from PR34369

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Sep  4 04:08:47 2017
New Revision: 312481

URL: http://llvm.org/viewvc/llvm-project?rev=312481&view=rev
Log:
Added shuffle test case from PR34369

Modified:
    llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v16.ll

Modified: llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v16.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v16.ll?rev=312481&r1=312480&r2=312481&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v16.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-shuffle-256-v16.ll Mon Sep  4 04:08:47 2017
@@ -3961,6 +3961,43 @@ define <16 x i16> @PR24935(<16 x i16> %a
   ret <16 x i16> %shuffle
 }
 
+define <16 x i16> @PR34369(<16 x i16> %vec) {
+; AVX1-LABEL: PR34369:
+; AVX1:       # BB#0:
+; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX1-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2],xmm0[3,4,5,6,7]
+; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[6,7,0,1,0,1],zero,zero,xmm0[10,11],zero,zero,zero,zero,xmm0[4,5]
+; AVX1-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[14,15,0,1],zero,zero,xmm1[0,1,2,3,4,5,8,9,8,9]
+; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX1-NEXT:    retq
+;
+; AVX2-LABEL: PR34369:
+; AVX2:       # BB#0:
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2],xmm0[3,4,5,6,7]
+; AVX2-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[6,7,0,1,0,1,6,7,10,11,10,11,4,5,4,5]
+; AVX2-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[14,15,0,1,12,13,0,1,2,3,4,5,8,9,8,9]
+; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpand {{.*}}(%rip), %ymm0, %ymm0
+; AVX2-NEXT:    retq
+;
+; AVX512VL-LABEL: PR34369:
+; AVX512VL:       # BB#0:
+; AVX512VL-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX512VL-NEXT:    vpshufb {{.*#+}} xmm2 = xmm1[8,9,10,11,4,5,10,11,8,9,10,11,4,5,4,5]
+; AVX512VL-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[6,7,0,1,0,1,6,7,10,11,4,5,4,5,6,7]
+; AVX512VL-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0,1,2],xmm2[3],xmm0[4,5,6],xmm2[7]
+; AVX512VL-NEXT:    vpshufb {{.*#+}} xmm1 = xmm1[14,15,0,1,12,13,0,1,2,3,4,5,8,9,8,9]
+; AVX512VL-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX512VL-NEXT:    movw $-1129, %ax # imm = 0xFB97
+; AVX512VL-NEXT:    kmovd %eax, %k1
+; AVX512VL-NEXT:    vmovdqu16 %ymm0, %ymm0 {%k1} {z}
+; AVX512VL-NEXT:    retq
+  %shuf = shufflevector <16 x i16> %vec, <16 x i16> undef, <16 x i32> <i32 3, i32 0, i32 0, i32 13, i32 5, i32 2, i32 2, i32 10, i32 15, i32 8, i32 14, i32 8, i32 9, i32 10, i32 12, i32 12>
+  %res = select <16 x i1> <i1 1, i1 1, i1 1, i1 0, i1 1, i1 0, i1 0, i1 1, i1 1, i1 1, i1 0, i1 1, i1 1, i1 1, i1 1, i1 1>, <16 x i16> %shuf, <16 x i16> zeroinitializer
+  ret <16 x i16> %res
+}
+
 define <16 x i16> @insert_dup_mem_v16i16_i32(i32* %ptr) {
 ; AVX1-LABEL: insert_dup_mem_v16i16_i32:
 ; AVX1:       # BB#0: