+
+declare i32 @llvm.x86.avx512.kunpck.wd(i32, i32)
+
+define i32@test_int_x86_avx512_kunpck_wd(i32 %x0, i32 %x1) {
+; AVX512BW-LABEL: test_int_x86_avx512_kunpck_wd:
+; AVX512BW: ## BB#0:
+; AVX512BW-NEXT: kmovd %edi, %k0
+; AVX512BW-NEXT: kmovd %esi, %k1
+; AVX512BW-NEXT: kunpckwd %k1, %k0, %k0
+; AVX512BW-NEXT: kmovd %k0, %eax
+; AVX512BW-NEXT: retq
+;
+; AVX512F-32-LABEL: test_int_x86_avx512_kunpck_wd:
+; AVX512F-32: # BB#0:
+; AVX512F-32-NEXT: kmovd {{[0-9]+}}(%esp), %k0
+; AVX512F-32-NEXT: kmovd {{[0-9]+}}(%esp), %k1
+; AVX512F-32-NEXT: kunpckwd %k1, %k0, %k0
+; AVX512F-32-NEXT: kmovd %k0, %eax
+; AVX512F-32-NEXT: retl
+ %res = call i32 @llvm.x86.avx512.kunpck.wd(i32 %x0, i32 %x1)
+ ret i32 %res
+}
+
+declare i64 @llvm.x86.avx512.kunpck.dq(i64, i64)
+
+define i64@test_int_x86_avx512_kunpck_qd(i64 %x0, i64 %x1) {
+; AVX512BW-LABEL: test_int_x86_avx512_kunpck_qd:
+; AVX512BW: ## BB#0:
+; AVX512BW-NEXT: kmovq %rdi, %k0
+; AVX512BW-NEXT: kmovq %rsi, %k1
+; AVX512BW-NEXT: kunpckdq %k1, %k0, %k0
+; AVX512BW-NEXT: kmovq %k0, %rax
+; AVX512BW-NEXT: retq
+;
+; AVX512F-32-LABEL: test_int_x86_avx512_kunpck_qd:
+; AVX512F-32: # BB#0:
+; AVX512F-32-NEXT: subl $12, %esp
+; AVX512F-32-NEXT: .Ltmp8:
+; AVX512F-32-NEXT: .cfi_def_cfa_offset 16
+; AVX512F-32-NEXT: kmovd {{[0-9]+}}(%esp), %k0
+; AVX512F-32-NEXT: kmovd {{[0-9]+}}(%esp), %k1
+; AVX512F-32-NEXT: kunpckdq %k0, %k1, %k0
+; AVX512F-32-NEXT: kmovq %k0, (%esp)
+; AVX512F-32-NEXT: movl (%esp), %eax
+; AVX512F-32-NEXT: movl {{[0-9]+}}(%esp), %edx
+; AVX512F-32-NEXT: addl $12, %esp
+; AVX512F-32-NEXT: retl
+ %res = call i64 @llvm.x86.avx512.kunpck.dq(i64 %x0, i64 %x1)
+ ret i64 %res
+}