; LLVM IR from bnidia/push_swap :: libraries/libft (ft_split)

; 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_split(ptr noundef %0, i8 noundef signext %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i8 %1, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %31

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load i8, ptr %5, align 1, !tbaa !9
  %14 = call i64 @ft_count_word(ptr noundef %12, i8 noundef signext %13)
  store i64 %14, ptr %7, align 8, !tbaa !10
  %15 = load i64, ptr %7, align 8, !tbaa !10
  %16 = add i64 %15, 1
  %17 = mul i64 8, %16
  %18 = call noalias ptr @malloc(i64 noundef %17) #4
  store ptr %18, ptr %6, align 8, !tbaa !5
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %22, label %21

21:                                               ; preds = %11
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %32

22:                                               ; preds = %11
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = load i64, ptr %7, align 8, !tbaa !10
  %25 = getelementptr inbounds ptr, ptr %23, i64 %24
  store ptr null, ptr %25, align 8, !tbaa !5
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load i8, ptr %5, align 1, !tbaa !9
  %29 = sext i8 %28 to i32
  call void @ft_words_to_arr(ptr noundef %26, ptr noundef %27, i32 noundef %29)
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %30, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %32

31:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %32

32:                                               ; preds = %31, %22, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %33 = load ptr, ptr %3, align 8
  ret ptr %33
}

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

; Function Attrs: nounwind uwtable
declare hidden i64 @ft_count_word(ptr noundef, i8 noundef signext) #0

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind uwtable
declare hidden void @ft_words_to_arr(ptr noundef, ptr noundef, i32 noundef) #0

; 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 = { nounwind allocsize(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 #3 = { nounwind }
attributes #4 = { nounwind allocsize(0) }

!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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !7, i64 0}


; 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 noundef ptr @ft_split(ptr noundef %0, i8 noundef signext %1) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %11, label %3

3:                                                ; preds = %2
  %4 = tail call i64 @ft_count_word(ptr noundef nonnull %0, i8 noundef signext %1)
  %5 = shl i64 %4, 3
  %6 = add i64 %5, 8
  %7 = tail call noalias ptr @malloc(i64 noundef %6) #2
  %.not13 = icmp eq ptr %7, null
  br i1 %.not13, label %11, label %8

8:                                                ; preds = %3
  %9 = getelementptr inbounds ptr, ptr %7, i64 %4
  store ptr null, ptr %9, align 8, !tbaa !5
  %10 = sext i8 %1 to i32
  tail call void @ft_words_to_arr(ptr noundef nonnull %7, ptr noundef nonnull %0, i32 noundef %10)
  br label %11

11:                                               ; preds = %2, %3, %8
  %.0 = phi ptr [ %7, %8 ], [ null, %3 ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: nounwind uwtable
declare hidden i64 @ft_count_word(ptr noundef, i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @ft_words_to_arr(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }

!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"}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass