--- /dev/null
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
+; RUN: llc -mtriple=arm--none-eabi < %s | FileCheck %s
+
+%t = type [20 x i32]
+
+declare void @func(ptr, ptr byval(%t))
+
+define void @main() {
+; CHECK-LABEL: main:
+; CHECK: @ %bb.0:
+; CHECK-NEXT: .save {r11, lr}
+; CHECK-NEXT: push {r11, lr}
+; CHECK-NEXT: .pad #152
+; CHECK-NEXT: sub sp, sp, #152
+; CHECK-NEXT: add r0, sp, #72
+; CHECK-NEXT: ldr r1, .LCPI0_0
+; CHECK-NEXT: add r0, r0, #12
+; CHECK-NEXT: mov r2, sp
+; CHECK-NEXT: .LBB0_1: @ =>This Inner Loop Header: Depth=1
+; CHECK-NEXT: ldr r3, [r0], #4
+; CHECK-NEXT: subs r1, r1, #4
+; CHECK-NEXT: str r3, [r2], #4
+; CHECK-NEXT: bne .LBB0_1
+; CHECK-NEXT: @ %bb.2:
+; CHECK-NEXT: add r3, sp, #72
+; CHECK-NEXT: mov r0, #0
+; CHECK-NEXT: ldm r3, {r1, r2, r3}
+; CHECK-NEXT: bl func
+; CHECK-NEXT: add sp, sp, #152
+; CHECK-NEXT: pop {r11, lr}
+; CHECK-NEXT: mov pc, lr
+; CHECK-NEXT: .p2align 2
+; CHECK-NEXT: @ %bb.3:
+; CHECK-NEXT: .LCPI0_0:
+; CHECK-NEXT: .long 68 @ 0x44
+ %a = alloca %t
+ call void @func(ptr null, ptr %a)
+ ret void
+}