diff --git a/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll b/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
index 75e79dd3d9e..0268d9ef50a 100644
--- a/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
+++ b/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
@@ -96,6 +96,26 @@ define <16 x float> @combine_vpermt2var_16f32_identity_mask(<16 x float> %x0, <1
   ret <16 x float> %res1
 }
 
+define <16 x float> @combine_vpermt2var_16f32_vmovddup(<16 x float> %x0, <16 x float> %x1) {
+; CHECK-LABEL: combine_vpermt2var_16f32_vmovddup:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    vmovdqa32 {{.*#+}} zmm2 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
+; CHECK-NEXT:    vpermt2ps %zmm1, %zmm2, %zmm0
+; CHECK-NEXT:    retq
+  %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 -1)
+  ret <16 x float> %res0
+}
+define <16 x float> @combine_vpermt2var_16f32_vmovddup_mask(<16 x float> %x0, <16 x float> %x1, i16 %m) {
+; CHECK-LABEL: combine_vpermt2var_16f32_vmovddup_mask:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    kmovw %edi, %k1
+; CHECK-NEXT:    vmovdqa32 {{.*#+}} zmm2 = [0,1,0,1,4,5,4,5,8,9,8,9,12,13,12,13]
+; CHECK-NEXT:    vpermt2ps %zmm1, %zmm2, %zmm0 {%k1} {z}
+; CHECK-NEXT:    retq
+  %res0 = call <16 x float> @llvm.x86.avx512.maskz.vpermt2var.ps.512(<16 x i32> <i32 0, i32 1, i32 0, i32 1, i32 4, i32 5, i32 4, i32 5, i32 8, i32 9, i32 8, i32 9, i32 12, i32 13, i32 12, i32 13>, <16 x float> %x0, <16 x float> %x1, i16 %m)
+  ret <16 x float> %res0
+}
+
 define <16 x float> @combine_vpermt2var_16f32_vmovshdup(<16 x float> %x0, <16 x float> %x1) {
 ; CHECK-LABEL: combine_vpermt2var_16f32_vmovshdup:
 ; CHECK:       # BB#0: