; LLVM IR from DevonCrawford/A-Pathfinding-in-C-command-line :: backups (testing)

; 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.Node = type { ptr, i32, i32, i32, i32, i32, i32, i32 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local void @nodesInfo(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %21, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = icmp slt i32 %5, 6
  br i1 %6, label %7, label %24

7:                                                ; preds = %4
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = load i32, ptr %3, align 4, !tbaa !9
  %10 = sext i32 %9 to i64
  %11 = getelementptr inbounds %struct.Node, ptr %8, i64 %10
  %12 = getelementptr inbounds %struct.Node, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 8, !tbaa !11
  %14 = icmp eq i32 %13, 1
  br i1 %14, label %15, label %20

15:                                               ; preds = %7
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds %struct.Node, ptr %16, i64 %18
  call void @info(ptr noundef byval(%struct.Node) align 8 %19)
  br label %20

20:                                               ; preds = %15, %7
  br label %21

21:                                               ; preds = %20
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !13

24:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local void @info(ptr noundef byval(%struct.Node) align 8) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"Node", !6, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%struct.Node = type { ptr, i32, i32, i32, i32, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @nodesInfo(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp eq i32 %3, 1
  br i1 %4, label %5, label %6

5:                                                ; preds = %1
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %0)
  br label %6

6:                                                ; preds = %1, %5
  %7 = getelementptr inbounds i8, ptr %0, i64 48
  %8 = load i32, ptr %7, align 8, !tbaa !5
  %9 = icmp eq i32 %8, 1
  br i1 %9, label %10, label %12

10:                                               ; preds = %6
  %11 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %11)
  br label %12

12:                                               ; preds = %10, %6
  %13 = getelementptr inbounds i8, ptr %0, i64 88
  %14 = load i32, ptr %13, align 8, !tbaa !5
  %15 = icmp eq i32 %14, 1
  br i1 %15, label %16, label %18

16:                                               ; preds = %12
  %17 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %17)
  br label %18

18:                                               ; preds = %16, %12
  %19 = getelementptr inbounds i8, ptr %0, i64 128
  %20 = load i32, ptr %19, align 8, !tbaa !5
  %21 = icmp eq i32 %20, 1
  br i1 %21, label %22, label %24

22:                                               ; preds = %18
  %23 = getelementptr inbounds i8, ptr %0, i64 120
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %23)
  br label %24

24:                                               ; preds = %22, %18
  %25 = getelementptr inbounds i8, ptr %0, i64 168
  %26 = load i32, ptr %25, align 8, !tbaa !5
  %27 = icmp eq i32 %26, 1
  br i1 %27, label %28, label %30

28:                                               ; preds = %24
  %29 = getelementptr inbounds i8, ptr %0, i64 160
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %29)
  br label %30

30:                                               ; preds = %28, %24
  %31 = getelementptr inbounds i8, ptr %0, i64 208
  %32 = load i32, ptr %31, align 8, !tbaa !5
  %33 = icmp eq i32 %32, 1
  br i1 %33, label %34, label %36

34:                                               ; preds = %30
  %35 = getelementptr inbounds i8, ptr %0, i64 200
  tail call void @info(ptr noundef nonnull byval(%struct.Node) align 8 %35)
  br label %36

36:                                               ; preds = %34, %30
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local void @info(ptr noundef byval(%struct.Node) align 8) 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" }

!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, !10, i64 8}
!6 = !{!"Node", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !10, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass