diff --git a/llvm/test/CodeGen/X86/pmulh.ll b/llvm/test/CodeGen/X86/pmulh.ll
index 8ac9357177d894..2e74e7f5f9e393 100644
--- a/llvm/test/CodeGen/X86/pmulh.ll
+++ b/llvm/test/CodeGen/X86/pmulh.ll
@@ -304,6 +304,24 @@ define <8 x i16> @sextinreg_mulhw_v8i16(<8 x i32> %a, <8 x i32> %b) {
   ret <8 x i16> %e
 }
 
+define <8 x i16> @zext_mulhuw_v8i16_v8i33(<8 x i16> %a, <8 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v8i16_v8i33:
+; SSE:       # %bb.0:
+; SSE-NEXT:    pmulhuw %xmm1, %xmm0
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: zext_mulhuw_v8i16_v8i33:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpmulhuw %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    retq
+  %a1 = zext <8 x i16> %a to <8 x i33>
+  %b1 = zext <8 x i16> %b to <8 x i33>
+  %c = mul <8 x i33> %a1, %b1
+  %d = lshr <8 x i33> %c, <i33 16, i33 16, i33 16, i33 16, i33 16, i33 16, i33 16, i33 16>
+  %e = trunc <8 x i33> %d to <8 x i16>
+  ret <8 x i16> %e
+}
+
 define <16 x i16> @zext_mulhuw_v16i16(<16 x i16> %a, <16 x i16> %b) {
 ; SSE-LABEL: zext_mulhuw_v16i16:
 ; SSE:       # %bb.0:
@@ -517,6 +535,25 @@ define <16 x i16> @ashr_mulhuw_v16i16(<16 x i32> %a, <16 x i32> %b) {
   ret <16 x i16> %e
 }
 
+define <16 x i16> @zext_mulhuw_v16i16_v16i48(<16 x i16> %a, <16 x i16> %b) {
+; SSE-LABEL: zext_mulhuw_v16i16_v16i48:
+; SSE:       # %bb.0:
+; SSE-NEXT:    pmulhuw %xmm2, %xmm0
+; SSE-NEXT:    pmulhuw %xmm3, %xmm1
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: zext_mulhuw_v16i16_v16i48:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpmulhuw %ymm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
+  %a1 = zext <16 x i16> %a to <16 x i48>
+  %b1 = zext <16 x i16> %b to <16 x i48>
+  %c = mul <16 x i48> %a1, %b1
+  %d = lshr <16 x i48> %c, <i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16, i48 16>
+  %e = trunc <16 x i48> %d to <16 x i16>
+  ret <16 x i16> %e
+}
+
 define <32 x i16> @zext_mulhuw_v32i16(<32 x i16> %a, <32 x i16> %b) {
 ; SSE-LABEL: zext_mulhuw_v32i16:
 ; SSE:       # %bb.0: