1; RUN: llc -mtriple=thumbv7m-arm-none-eabi -mcpu=cortex-m3 < %s | FileCheck %s
2
3%struct.mystruct = type { [31 x i8] }
4
5@.str = private unnamed_addr constant [31 x i8] c"012345678901234567890123456789\00", align 1
6@.str.1 = private unnamed_addr constant [21 x i8] c"01234567890123456789\00", align 1
7
8@myglobal = common global %struct.mystruct zeroinitializer, align 1
9
10define void @foo() #0 {
11entry:
12; CHECK-LABEL: foo:
13; CHECK:      __aeabi_memcpy
14; CHECK-NOT:  ldm
15  %mystring = alloca [31 x i8], align 1
16  %0 = getelementptr inbounds [31 x i8], [31 x i8]* %mystring, i32 0, i32 0
17  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i32 0, i32 0), i32 31, i32 1, i1 false)
18  ret void
19}
20
21define void @bar() #0 {
22entry:
23; CHECK-LABEL: bar:
24; CHECK-NOT:   __aeabi_memcpy
25  %mystring = alloca [31 x i8], align 1
26  %0 = getelementptr inbounds [31 x i8], [31 x i8]* %mystring, i32 0, i32 0
27  call void @llvm.memcpy.p0i8.p0i8.i32(i8* %0, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i32 0, i32 0), i32 21, i32 1, i1 false)
28  ret void
29}
30
31declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
32
33attributes #0 = { minsize noinline nounwind optsize }
34