mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-25 04:02:41 +01:00
3d4cf26cf6
in more instructions than the libary call. Differential Revision: http://reviews.llvm.org/D20958 llvm-svn: 271678
34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
; 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* %0, i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i32 0, i32 0), i32 31, i32 1, 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* %0, i8* getelementptr inbounds ([21 x i8], [21 x i8]* @.str.1, i32 0, i32 0), i32 21, i32 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
|
|
|
|
attributes #0 = { minsize noinline nounwind optsize }
|