; 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 @initNodes(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 = %23, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = icmp slt i32 %5, 6
  br i1 %6, label %7, label %26

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
  call void @clearNode(ptr noundef %11)
  %12 = load i32, ptr %3, align 4, !tbaa !9
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds %struct.Node, ptr %13, i64 %15
  %17 = getelementptr inbounds %struct.Node, ptr %16, i32 0, i32 2
  store i32 %12, ptr %17, align 4, !tbaa !11
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds %struct.Node, ptr %18, i64 %20
  %22 = getelementptr inbounds %struct.Node, ptr %21, i32 0, i32 3
  store i32 0, ptr %22, align 8, !tbaa !13
  br label %23

23:                                               ; preds = %7
  %24 = load i32, ptr %3, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !14

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @clearNode(ptr noundef) #1

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 12}
!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 = !{!12, !10, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"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 void @initNodes(ptr noundef %0) local_unnamed_addr #0 {
  tail call void @clearNode(ptr noundef %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 12
  store i32 0, ptr %2, align 4, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 0, ptr %3, align 8, !tbaa !11
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @clearNode(ptr noundef nonnull %4)
  %5 = getelementptr inbounds i8, ptr %0, i64 52
  store i32 1, ptr %5, align 4, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 56
  store i32 0, ptr %6, align 8, !tbaa !11
  %7 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @clearNode(ptr noundef nonnull %7)
  %8 = getelementptr inbounds i8, ptr %0, i64 92
  store i32 2, ptr %8, align 4, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %0, i64 96
  store i32 0, ptr %9, align 8, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %0, i64 120
  tail call void @clearNode(ptr noundef nonnull %10)
  %11 = getelementptr inbounds i8, ptr %0, i64 132
  store i32 3, ptr %11, align 4, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %0, i64 136
  store i32 0, ptr %12, align 8, !tbaa !11
  %13 = getelementptr inbounds i8, ptr %0, i64 160
  tail call void @clearNode(ptr noundef nonnull %13)
  %14 = getelementptr inbounds i8, ptr %0, i64 172
  store i32 4, ptr %14, align 4, !tbaa !5
  %15 = getelementptr inbounds i8, ptr %0, i64 176
  store i32 0, ptr %15, align 8, !tbaa !11
  %16 = getelementptr inbounds i8, ptr %0, i64 200
  tail call void @clearNode(ptr noundef nonnull %16)
  %17 = getelementptr inbounds i8, ptr %0, i64 212
  store i32 5, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %0, i64 216
  store i32 0, ptr %18, align 8, !tbaa !11
  ret void
}

; Function Attrs: nounwind uwtable
declare dso_local void @clearNode(ptr 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" }

!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 12}
!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}
!11 = !{!6, !10, i64 16}


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