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

33 lines
1.1 KiB
LLVM

; RUN: llc < %s -march=arm -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.i32( i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0 )
; CHECK: memcpy
; EABI: __aeabi_memcpy
call void @llvm.memcpy.i32( i8* bitcast ([500 x i32]* @from to i8*), i8* bitcast ([500 x i32]* @to to i8*), i32 500, i32 0 )
; EABI memset swaps arguments
; CHECK: mov r1, #0
; CHECK: memset
; EABI: mov r2, #0
; EABI: __aeabi_memset
call void @llvm.memset.i32( i8* bitcast ([500 x i32]* @from to i8*), i8 0, i32 500, i32 0 )
unreachable
}
declare void @llvm.memmove.i32(i8*, i8*, i32, i32)
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)
declare void @llvm.memset.i32(i8*, i8, i32, i32)