1; RUN: llc < %s -mtriple=armv7-apple-ios -o - | FileCheck %s
2; RUN: llc < %s -mtriple=thumbv7m-none-macho -o - | FileCheck %s --check-prefix=DARWIN
3; RUN: llc < %s -mtriple=arm-none-eabi -o - | FileCheck --check-prefix=EABI %s
4; RUN: llc < %s -mtriple=arm-none-eabihf -o - | FileCheck --check-prefix=EABI %s
5
6@from = common global [500 x i32] zeroinitializer, align 4
7@to = common global [500 x i32] zeroinitializer, align 4
8
9define void @f() {
10entry:
11
12        ; CHECK: memmove
13        ; EABI: __aeabi_memmove
14        call void @llvm.memmove.p0i8.p0i8.i32(i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0, i1 false)
15
16        ; CHECK: memcpy
17        ; EABI: __aeabi_memcpy
18        call void @llvm.memcpy.p0i8.p0i8.i32(i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0, i1 false)
19
20        ; EABI memset swaps arguments
21        ; CHECK: mov r1, #0
22        ; CHECK: memset
23        ; DARWIN: movs r1, #0
24        ; DARWIN: memset
25        ; EABI: mov r2, #0
26        ; EABI: __aeabi_memset
27        call void @llvm.memset.p0i8.i32(i8* bitcast ([500 x i32]* @from to i8*), i8 0, i32 500, i32 0, i1 false)
28        unreachable
29}
30
31declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
32declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
33declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind
34