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 call void @llvm.memcpy.p0.p0.i32(ptr align 1 %mystring, ptr align 1 @.str, i32 31, i1 false) 17 ret void 18} 19 20define void @bar() #0 { 21entry: 22; CHECK-LABEL: bar: 23; CHECK-NOT: __aeabi_memcpy 24 %mystring = alloca [31 x i8], align 1 25 call void @llvm.memcpy.p0.p0.i32(ptr align 1 %mystring, ptr align 1 @.str.1, i32 21, i1 false) 26 ret void 27} 28 29declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1 30 31attributes #0 = { minsize noinline nounwind optsize } 32