llvm-6502/test/CodeGen/ARM/memfunc.ll

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; RUN: llc < %s -mtriple=armv7-apple-ios -o - | FileCheck %s
; RUN: llc < %s -mtriple=arm-none-eabi -o - | FileCheck --check-prefix=EABI %s
@from = common global [500 x i32] zeroinitializer, align 4
@to = common global [500 x i32] zeroinitializer, align 4
define void @f() {
entry:
; CHECK: memmove
; EABI: __aeabi_memmove
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)
; CHECK: memcpy
; EABI: __aeabi_memcpy
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)
; EABI memset swaps arguments
; CHECK: mov r1, #0
; CHECK: memset
; EABI: mov r2, #0
; EABI: __aeabi_memset
call void @llvm.memset.p0i8.i32(i8* bitcast ([500 x i32]* @from to i8*), i8 0, i32 500, i32 0, i1 false)
unreachable
}
declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) nounwind