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

; 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 i64 @ft_strlcpy(ptr noundef %0, ptr noundef %1, i64 noundef %2) #0 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = 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
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %3
  store i64 0, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %47

13:                                               ; preds = %3
  store i64 -1, ptr %8, align 8, !tbaa !9
  %14 = load i64, ptr %7, align 8, !tbaa !9
  %15 = icmp ne i64 %14, 0
  br i1 %15, label %16, label %44

16:                                               ; preds = %13
  br label %17

17:                                               ; preds = %32, %16
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = add i64 %19, 1
  store i64 %20, ptr %8, align 8, !tbaa !9
  %21 = getelementptr inbounds i8, ptr %18, i64 %20
  %22 = load i8, ptr %21, align 1, !tbaa !11
  %23 = sext i8 %22 to i32
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %30

25:                                               ; preds = %17
  %26 = load i64, ptr %8, align 8, !tbaa !9
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = sub i64 %27, 1
  %29 = icmp ult i64 %26, %28
  br label %30

30:                                               ; preds = %25, %17
  %31 = phi i1 [ false, %17 ], [ %29, %25 ]
  br i1 %31, label %32, label %40

32:                                               ; preds = %30
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = load i64, ptr %8, 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 %5, align 8, !tbaa !5
  %38 = load i64, ptr %8, align 8, !tbaa !9
  %39 = getelementptr inbounds i8, ptr %37, i64 %38
  store i8 %36, ptr %39, align 1, !tbaa !11
  br label %17, !llvm.loop !12

40:                                               ; preds = %30
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = load i64, ptr %8, align 8, !tbaa !9
  %43 = getelementptr inbounds i8, ptr %41, i64 %42
  store i8 0, ptr %43, align 1, !tbaa !11
  br label %44

44:                                               ; preds = %40, %13
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  %46 = call i64 @ft_strlen(ptr noundef %45)
  store i64 %46, ptr %4, align 8
  store i32 1, ptr %9, align 4
  br label %47

47:                                               ; preds = %44, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %48 = load i64, ptr %4, align 8
  ret i64 %48
}

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

declare i64 @ft_strlen(ptr 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 i64 @ft_strlcpy(ptr nocapture noundef writeonly %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %22, label %4

4:                                                ; preds = %3
  %.not16 = icmp eq i64 %2, 0
  br i1 %.not16, label %20, label %.preheader

.preheader:                                       ; preds = %4
  %5 = add i64 %2, -1
  %6 = load i8, ptr %1, align 1, !tbaa !5
  %7 = icmp ne i8 %6, 0
  %8 = icmp ne i64 %5, 0
  %9 = and i1 %7, %8
  br i1 %9, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %10 = phi i8 [ %15, %.lr.ph ], [ %6, %.preheader ]
  %11 = phi i64 [ %13, %.lr.ph ], [ 0, %.preheader ]
  %12 = getelementptr inbounds i8, ptr %0, i64 %11
  store i8 %10, ptr %12, align 1, !tbaa !5
  %13 = add nuw i64 %11, 1
  %14 = getelementptr inbounds i8, ptr %1, i64 %13
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %16 = icmp ne i8 %15, 0
  %17 = icmp ult i64 %13, %5
  %18 = and i1 %16, %17
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.lcssa = phi i64 [ 0, %.preheader ], [ %13, %.lr.ph ]
  %19 = getelementptr inbounds i8, ptr %0, i64 %.lcssa
  store i8 0, ptr %19, align 1, !tbaa !5
  br label %20

20:                                               ; preds = %._crit_edge, %4
  %21 = tail call i64 @ft_strlen(ptr noundef nonnull %1) #2
  br label %22

22:                                               ; preds = %3, %20
  %.013 = phi i64 [ %21, %20 ], [ 0, %3 ]
  ret i64 %.013
}

declare i64 @ft_strlen(ptr 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}
!9 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass