You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
34 lines
1.2 KiB
34 lines
1.2 KiB
; 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
|
|
%0 = getelementptr inbounds [31 x i8], [31 x i8]* %mystring, i32 0, i32 0
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %0, i8* align 1 getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i32 0, i32 0), 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
|
|
%0 = getelementptr inbounds [31 x i8], [31 x i8]* %mystring, i32 0, i32 0
|
|
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %0, i8* align 1 getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i32 0, i32 0), i32 21, i1 false)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i1) #1
|
|
|
|
attributes #0 = { minsize noinline nounwind optsize }
|