--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-apple-macosx10.15 | FileCheck %s
+
+%0 = type <{ half }>
+%1 = type <{ <16 x half> }>
+
+define void @foo(ptr %0, ptr %1, ptr %2) #0 {
+; CHECK-LABEL: foo:
+; CHECK: ## %bb.0:
+; CHECK-NEXT: pushq %rbp
+; CHECK-NEXT: movq %rsp, %rbp
+; CHECK-NEXT: andq $-32, %rsp
+; CHECK-NEXT: subq $64, %rsp
+; CHECK-NEXT: movl (%rdx), %eax
+; CHECK-NEXT: andl $15, %eax
+; CHECK-NEXT: vpinsrw $0, (%rdi), %xmm0, %xmm0
+; CHECK-NEXT: vmovups (%rsi), %ymm1
+; CHECK-NEXT: vmovaps %ymm1, (%rsp)
+; CHECK-NEXT: vpextrw $0, %xmm0, (%rsp,%rax,2)
+; CHECK-NEXT: vmovaps (%rsp), %ymm0
+; CHECK-NEXT: vmovups %ymm0, (%rsi)
+; CHECK-NEXT: movq %rbp, %rsp
+; CHECK-NEXT: popq %rbp
+; CHECK-NEXT: vzeroupper
+; CHECK-NEXT: retq
+ %4 = bitcast ptr %2 to ptr
+ %5 = load i64, ptr %4, align 8
+ %6 = getelementptr inbounds %0, ptr %0, i64 0, i32 0
+ %7 = load half, ptr %6, align 2
+ %8 = getelementptr inbounds %1, ptr %1, i64 0, i32 0
+ %9 = load <16 x half>, ptr %8, align 16
+ %10 = trunc i64 %5 to i32
+ %11 = insertelement <16 x half> %9, half %7, i32 %10
+ store <16 x half> %11, ptr %8, align 16
+ ret void
+}
+
+attributes #0 = { nounwind "target-features"="+f16c" }