; LLVM IR from LlimaV10/doom-nukem_v2 :: libft (ft_lstmap)

; 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"

%struct.s_list = type { ptr, i64, ptr }

; Function Attrs: nounwind uwtable
define dso_local ptr @ft_lstmap(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  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 eq ptr %9, null
  br i1 %10, label %14, label %11

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %11, %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %52

15:                                               ; preds = %11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call ptr %16(ptr noundef %17)
  store ptr %18, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = icmp eq ptr %19, null
  br i1 %20, label %21, label %22

21:                                               ; preds = %15
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %52

22:                                               ; preds = %15
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %23, ptr %6, align 8, !tbaa !5
  br label %24

24:                                               ; preds = %43, %22
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.s_list, ptr %25, i32 0, i32 2
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %50

29:                                               ; preds = %24
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.s_list, ptr %31, i32 0, i32 2
  %33 = load ptr, ptr %32, align 8, !tbaa !9
  %34 = call ptr %30(ptr noundef %33)
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.s_list, ptr %35, i32 0, i32 2
  store ptr %34, ptr %36, align 8, !tbaa !9
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.s_list, ptr %37, i32 0, i32 2
  %39 = load ptr, ptr %38, align 8, !tbaa !9
  %40 = icmp eq ptr %39, null
  br i1 %40, label %41, label %43

41:                                               ; preds = %29
  %42 = load ptr, ptr %7, align 8, !tbaa !5
  call void @ft_lstfree(ptr noundef %42)
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %52

43:                                               ; preds = %29
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.s_list, ptr %44, i32 0, i32 2
  %46 = load ptr, ptr %45, align 8, !tbaa !9
  store ptr %46, ptr %6, align 8, !tbaa !5
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.s_list, ptr %47, i32 0, i32 2
  %49 = load ptr, ptr %48, align 8, !tbaa !9
  store ptr %49, ptr %4, align 8, !tbaa !5
  br label %24, !llvm.loop !12

50:                                               ; preds = %24
  %51 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %51, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %52

52:                                               ; preds = %50, %41, %21, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %53 = load ptr, ptr %3, align 8
  ret ptr %53
}

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

declare void @ft_lstfree(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, !6, i64 16}
!10 = !{!"s_list", !6, i64 0, !11, i64 8, !6, i64 16}
!11 = !{!"long", !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_lstmap(ptr noundef %0, ptr noundef readonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  %4 = icmp eq ptr %1, null
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %.loopexit, label %5

5:                                                ; preds = %2
  %6 = tail call ptr %1(ptr noundef nonnull %0) #2
  %7 = icmp eq ptr %6, null
  br i1 %7, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %5
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %.not24 = icmp eq ptr %9, null
  br i1 %.not24, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %16
  %10 = phi ptr [ %19, %16 ], [ %9, %.preheader ]
  %11 = phi ptr [ %18, %16 ], [ %8, %.preheader ]
  %.01725 = phi ptr [ %12, %16 ], [ %6, %.preheader ]
  %12 = tail call ptr %1(ptr noundef nonnull %10) #2
  %13 = getelementptr inbounds i8, ptr %.01725, i64 16
  store ptr %12, ptr %13, align 8, !tbaa !5
  %14 = icmp eq ptr %12, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %.lr.ph
  tail call void @ft_lstfree(ptr noundef nonnull %6) #2
  br label %.loopexit

16:                                               ; preds = %.lr.ph
  %17 = load ptr, ptr %11, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %17, i64 16
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %.not = icmp eq ptr %19, null
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %16, %.preheader, %5, %2, %15
  %.0 = phi ptr [ null, %15 ], [ null, %2 ], [ null, %5 ], [ %6, %.preheader ], [ %6, %16 ]
  ret ptr %.0
}

declare void @ft_lstfree(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, !7, i64 16}
!6 = !{!"s_list", !7, i64 0, !10, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass