llvm/test/CodeGen/AArch64/arm64-misaligned-memcpy-inline.ll

15 lines
498 B
LLVM

; RUN: llc -mtriple=arm64-apple-ios -mattr=+strict-align < %s | FileCheck %s
; Small (16-bytes here) unaligned memcpys should stay memcpy calls if
; strict-alignment is turned on.
define void @t0(i8* %out, i8* %in) {
; CHECK-LABEL: t0:
; CHECK: orr w2, wzr, #0x10
; CHECK-NEXT: bl _memcpy
entry:
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %out, i8* %in, i64 16, i32 1, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1)