1 ; RUN: llc < %s -mtriple=thumbv6m-eabi -verify-machineinstrs -o - | FileCheck %s
2 target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
3 target triple = "thumbv6m-none--eabi"
5 @a = external global i32*
6 @b = external global i32*
8 ; Function Attrs: nounwind
9 define void @foo() #0 {
12 ; CHECK: ldr r[[SB:[0-9]]], .LCPI
13 ; CHECK: ldr r[[LB:[0-9]]], .LCPI
14 ; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4
15 ; CHECK-NEXT: ldm r[[NLB]],
16 ; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4
17 ; CHECK-NEXT: stm r[[NSB]]
18 %0 = load i32** @a, align 4
19 %arrayidx = getelementptr inbounds i32* %0, i32 1
20 %1 = bitcast i32* %arrayidx to i8*
21 %2 = load i32** @b, align 4
22 %arrayidx1 = getelementptr inbounds i32* %2, i32 1
23 %3 = bitcast i32* %arrayidx1 to i8*
24 tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 24, i32 4, i1 false)
28 ; Function Attrs: nounwind
29 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1