| ; RUN: llc < %s -mtriple=thumbv6m-eabi -verify-machineinstrs -o - | FileCheck %s |
| 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" |
| target triple = "thumbv6m-none--eabi" |
| |
| @a = external global i32* |
| @b = external global i32* |
| |
| ; Function Attrs: nounwind |
| define void @foo() #0 { |
| entry: |
| ; CHECK-LABEL: foo: |
| ; CHECK: ldr r[[SB:[0-9]]], .LCPI |
| ; CHECK: ldr r[[LB:[0-9]]], .LCPI |
| ; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4 |
| ; CHECK-NEXT: ldm r[[NLB]], |
| ; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4 |
| ; CHECK-NEXT: stm r[[NSB]] |
| %0 = load i32*, i32** @a, align 4 |
| %arrayidx = getelementptr inbounds i32, i32* %0, i32 1 |
| %1 = bitcast i32* %arrayidx to i8* |
| %2 = load i32*, i32** @b, align 4 |
| %arrayidx1 = getelementptr inbounds i32, i32* %2, i32 1 |
| %3 = bitcast i32* %arrayidx1 to i8* |
| tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 24, i32 4, i1 false) |
| ret void |
| } |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1 |
