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