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; RUN: llc -mtriple=thumbv7m-arm-none-eabi -mcpu=cortex-m3 < %s | FileCheck %s
%struct.mystruct = type { [31 x i8] }
@.str = private unnamed_addr constant [31 x i8] c"012345678901234567890123456789\00", align 1
@.str.1 = private unnamed_addr constant [21 x i8] c"01234567890123456789\00", align 1
@myglobal = common global %struct.mystruct zeroinitializer, align 1
define void @foo() #0 {
entry:
; CHECK-LABEL: foo:
; CHECK: __aeabi_memcpy
; CHECK-NOT: ldm
%mystring = alloca [31 x i8], align 1
call void @llvm.memcpy.p0.p0.i32(ptr align 1 %mystring, ptr align 1 @.str, i32 31, i1 false)
ret void
}
define void @bar() #0 {
entry:
; CHECK-LABEL: bar:
; CHECK-NOT: __aeabi_memcpy
%mystring = alloca [31 x i8], align 1
call void @llvm.memcpy.p0.p0.i32(ptr align 1 %mystring, ptr align 1 @.str.1, i32 21, i1 false)
ret void
}
declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1
attributes #0 = { minsize noinline nounwind optsize }
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