; LLVM IR from AdrianWR/push_swap :: libft/src (ft_memmove)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nounwind uwtable
define dso_local ptr @ft_memmove(ptr noundef %0, ptr noundef %1, i64 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %11, ptr %8, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %12, ptr %9, align 8, !tbaa !5
  %13 = load ptr, ptr %8, align 8, !tbaa !5
  %14 = load ptr, ptr %9, align 8, !tbaa !5
  %15 = icmp ult ptr %13, %14
  br i1 %15, label %16, label %21

16:                                               ; preds = %3
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i64, ptr %7, align 8, !tbaa !9
  %20 = call ptr @ft_memcpy(ptr noundef %17, ptr noundef %18, i64 noundef %19)
  store ptr %20, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %43

21:                                               ; preds = %3
  br label %22

22:                                               ; preds = %32, %21
  %23 = load i64, ptr %7, align 8, !tbaa !9
  %24 = add i64 %23, -1
  store i64 %24, ptr %7, align 8, !tbaa !9
  %25 = icmp ne i64 %23, 0
  br i1 %25, label %26, label %30

26:                                               ; preds = %22
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = icmp ne ptr %27, %28
  br label %30

30:                                               ; preds = %26, %22
  %31 = phi i1 [ false, %22 ], [ %29, %26 ]
  br i1 %31, label %32, label %40

32:                                               ; preds = %30
  %33 = load ptr, ptr %9, align 8, !tbaa !5
  %34 = load i64, ptr %7, align 8, !tbaa !9
  %35 = getelementptr inbounds i8, ptr %33, i64 %34
  %36 = load i8, ptr %35, align 1, !tbaa !11
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = getelementptr inbounds i8, ptr %37, i64 %38
  store i8 %36, ptr %39, align 1, !tbaa !11
  br label %22, !llvm.loop !12

40:                                               ; preds = %30
  br label %41

41:                                               ; preds = %40
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %42, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %43

43:                                               ; preds = %41, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %44 = load ptr, ptr %4, align 8
  ret ptr %44
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare ptr @ft_memcpy(ptr noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nounwind uwtable
define dso_local ptr @ft_memmove(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = ptrtoint ptr %0 to i64
  %5 = ptrtoint ptr %1 to i64
  %6 = icmp ult ptr %0, %1
  br i1 %6, label %23, label %.preheader

.preheader:                                       ; preds = %3
  %7 = icmp ne ptr %0, %1
  %8 = icmp ne i64 %2, 0
  %9 = and i1 %7, %8
  br i1 %9, label %iter.check, label %.loopexit

iter.check:                                       ; preds = %.preheader
  %min.iters.check = icmp ult i64 %2, 4
  %10 = sub i64 %5, %4
  %diff.check = icmp ult i64 %10, 16
  %or.cond = or i1 %min.iters.check, %diff.check
  br i1 %or.cond, label %.lr.ph.split.preheader, label %vector.main.loop.iter.check

vector.main.loop.iter.check:                      ; preds = %iter.check
  %min.iters.check20 = icmp ult i64 %2, 16
  br i1 %min.iters.check20, label %vec.epilog.ph, label %vector.ph

vector.ph:                                        ; preds = %vector.main.loop.iter.check
  %n.vec = and i64 %2, -16
  %invariant.gep = getelementptr i8, ptr %1, i64 -15
  %invariant.gep32 = getelementptr i8, ptr %0, i64 -15
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %11 = xor i64 %index, -1
  %12 = add i64 %11, %2
  %gep = getelementptr i8, ptr %invariant.gep, i64 %12
  %wide.load = load <16 x i8>, ptr %gep, align 1, !tbaa !5
  %gep33 = getelementptr i8, ptr %invariant.gep32, i64 %12
  store <16 x i8> %wide.load, ptr %gep33, align 1, !tbaa !5
  %index.next = add nuw i64 %index, 16
  %13 = icmp eq i64 %index.next, %n.vec
  br i1 %13, label %middle.block, label %vector.body, !llvm.loop !8

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %2
  br i1 %cmp.n, label %.loopexit, label %vec.epilog.iter.check

vec.epilog.iter.check:                            ; preds = %middle.block
  %ind.end24 = and i64 %2, 15
  %n.vec.remaining = and i64 %2, 12
  %min.epilog.iters.check = icmp eq i64 %n.vec.remaining, 0
  br i1 %min.epilog.iters.check, label %.lr.ph.split.preheader, label %vec.epilog.ph

.lr.ph.split.preheader:                           ; preds = %vec.epilog.middle.block, %iter.check, %vec.epilog.iter.check
  %.01519.ph = phi i64 [ %2, %iter.check ], [ %ind.end24, %vec.epilog.iter.check ], [ %ind.end, %vec.epilog.middle.block ]
  %14 = add i64 %.01519.ph, -1
  %xtraiter = and i64 %.01519.ph, 3
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %.lr.ph.split.prol.loopexit, label %.lr.ph.split.prol

.lr.ph.split.prol:                                ; preds = %.lr.ph.split.preheader, %.lr.ph.split.prol
  %.01519.prol = phi i64 [ %15, %.lr.ph.split.prol ], [ %.01519.ph, %.lr.ph.split.preheader ]
  %prol.iter = phi i64 [ %prol.iter.next, %.lr.ph.split.prol ], [ 0, %.lr.ph.split.preheader ]
  %15 = add i64 %.01519.prol, -1
  %16 = getelementptr inbounds i8, ptr %1, i64 %15
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %0, i64 %15
  store i8 %17, ptr %18, align 1, !tbaa !5
  %prol.iter.next = add i64 %prol.iter, 1
  %prol.iter.cmp.not = icmp eq i64 %prol.iter.next, %xtraiter
  br i1 %prol.iter.cmp.not, label %.lr.ph.split.prol.loopexit, label %.lr.ph.split.prol, !llvm.loop !12

.lr.ph.split.prol.loopexit:                       ; preds = %.lr.ph.split.prol, %.lr.ph.split.preheader
  %.01519.unr = phi i64 [ %.01519.ph, %.lr.ph.split.preheader ], [ %15, %.lr.ph.split.prol ]
  %19 = icmp ult i64 %14, 3
  br i1 %19, label %.loopexit, label %.lr.ph.split

vec.epilog.ph:                                    ; preds = %vector.main.loop.iter.check, %vec.epilog.iter.check
  %vec.epilog.resume.val = phi i64 [ %n.vec, %vec.epilog.iter.check ], [ 0, %vector.main.loop.iter.check ]
  %n.vec23 = and i64 %2, -4
  %ind.end = and i64 %2, 3
  %invariant.gep34 = getelementptr i8, ptr %1, i64 -3
  %invariant.gep36 = getelementptr i8, ptr %0, i64 -3
  br label %vec.epilog.vector.body

vec.epilog.vector.body:                           ; preds = %vec.epilog.vector.body, %vec.epilog.ph
  %index25 = phi i64 [ %vec.epilog.resume.val, %vec.epilog.ph ], [ %index.next30, %vec.epilog.vector.body ]
  %20 = xor i64 %index25, -1
  %21 = add i64 %20, %2
  %gep35 = getelementptr i8, ptr %invariant.gep34, i64 %21
  %wide.load27 = load <4 x i8>, ptr %gep35, align 1, !tbaa !5
  %gep37 = getelementptr i8, ptr %invariant.gep36, i64 %21
  store <4 x i8> %wide.load27, ptr %gep37, align 1, !tbaa !5
  %index.next30 = add nuw i64 %index25, 4
  %22 = icmp eq i64 %index.next30, %n.vec23
  br i1 %22, label %vec.epilog.middle.block, label %vec.epilog.vector.body, !llvm.loop !14

vec.epilog.middle.block:                          ; preds = %vec.epilog.vector.body
  %cmp.n31 = icmp eq i64 %n.vec23, %2
  br i1 %cmp.n31, label %.loopexit, label %.lr.ph.split.preheader

23:                                               ; preds = %3
  %24 = tail call ptr @ft_memcpy(ptr noundef %0, ptr noundef nonnull %1, i64 noundef %2) #2
  br label %.loopexit

.lr.ph.split:                                     ; preds = %.lr.ph.split.prol.loopexit, %.lr.ph.split
  %.01519 = phi i64 [ %37, %.lr.ph.split ], [ %.01519.unr, %.lr.ph.split.prol.loopexit ]
  %25 = add i64 %.01519, -1
  %26 = getelementptr inbounds i8, ptr %1, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !5
  %28 = getelementptr inbounds i8, ptr %0, i64 %25
  store i8 %27, ptr %28, align 1, !tbaa !5
  %29 = add i64 %.01519, -2
  %30 = getelementptr inbounds i8, ptr %1, i64 %29
  %31 = load i8, ptr %30, align 1, !tbaa !5
  %32 = getelementptr inbounds i8, ptr %0, i64 %29
  store i8 %31, ptr %32, align 1, !tbaa !5
  %33 = add i64 %.01519, -3
  %34 = getelementptr inbounds i8, ptr %1, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !5
  %36 = getelementptr inbounds i8, ptr %0, i64 %33
  store i8 %35, ptr %36, align 1, !tbaa !5
  %37 = add i64 %.01519, -4
  %38 = getelementptr inbounds i8, ptr %1, i64 %37
  %39 = load i8, ptr %38, align 1, !tbaa !5
  %40 = getelementptr inbounds i8, ptr %0, i64 %37
  store i8 %39, ptr %40, align 1, !tbaa !5
  %.not.3 = icmp eq i64 %37, 0
  br i1 %.not.3, label %.loopexit, label %.lr.ph.split, !llvm.loop !15

.loopexit:                                        ; preds = %.lr.ph.split.prol.loopexit, %.lr.ph.split, %middle.block, %vec.epilog.middle.block, %.preheader, %23
  %.0 = phi ptr [ %24, %23 ], [ %0, %.preheader ], [ %0, %vec.epilog.middle.block ], [ %0, %middle.block ], [ %0, %.lr.ph.split ], [ %0, %.lr.ph.split.prol.loopexit ]
  ret ptr %.0
}

declare ptr @ft_memcpy(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9, !10, !11}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{!"llvm.loop.isvectorized", i32 1}
!11 = !{!"llvm.loop.unroll.runtime.disable"}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.unroll.disable"}
!14 = distinct !{!14, !9, !10, !11}
!15 = distinct !{!15, !9, !10}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass