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

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

@size = external dso_local global %struct.GridSize, align 4

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local void @addListNode(ptr noundef %0, ptr noundef %1, ptr noundef byval(%struct.Node) align 8 %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load i32, ptr @size, align 4, !tbaa !9
  %7 = zext i32 %6 to i64
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 3
  %10 = load i32, ptr %9, align 8, !tbaa !12
  %11 = sext i32 %10 to i64
  %12 = mul nsw i64 %11, %7
  %13 = getelementptr inbounds %struct.Node, ptr %8, i64 %12
  %14 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 2
  %15 = load i32, ptr %14, align 4, !tbaa !14
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds %struct.Node, ptr %13, i64 %16
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %17, ptr align 8 %2, i64 40, i1 false), !tbaa.struct !15
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 3
  %20 = load i32, ptr %19, align 8, !tbaa !12
  %21 = sext i32 %20 to i64
  %22 = mul nsw i64 %21, %7
  %23 = getelementptr inbounds %struct.Node, ptr %18, i64 %22
  %24 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 2
  %25 = load i32, ptr %24, align 4, !tbaa !14
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds %struct.Node, ptr %23, i64 %26
  %28 = getelementptr inbounds %struct.Node, ptr %27, i32 0, i32 1
  store i32 1, ptr %28, align 8, !tbaa !17
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load i32, ptr %29, align 4, !tbaa !16
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 3
  %33 = load i32, ptr %32, align 8, !tbaa !12
  %34 = sext i32 %33 to i64
  %35 = mul nsw i64 %34, %7
  %36 = getelementptr inbounds %struct.Node, ptr %31, i64 %35
  %37 = getelementptr inbounds %struct.Node, ptr %2, i32 0, i32 2
  %38 = load i32, ptr %37, align 4, !tbaa !14
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds %struct.Node, ptr %36, i64 %39
  %41 = getelementptr inbounds %struct.Node, ptr %40, i32 0, i32 7
  store i32 %30, ptr %41, align 8, !tbaa !18
  %42 = load ptr, ptr %5, align 8, !tbaa !5
  %43 = load i32, ptr %42, align 4, !tbaa !16
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %42, align 4, !tbaa !16
  ret void
}

attributes #0 = { nocallback nofree 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" }

!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, !11, i64 0}
!10 = !{!"GridSize", !11, i64 0, !11, i64 4}
!11 = !{!"int", !7, i64 0}
!12 = !{!13, !11, i64 16}
!13 = !{!"Node", !6, i64 0, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24, !11, i64 28, !11, i64 32}
!14 = !{!13, !11, i64 12}
!15 = !{i64 0, i64 8, !5, i64 8, i64 4, !16, i64 12, i64 4, !16, i64 16, i64 4, !16, i64 20, i64 4, !16, i64 24, i64 4, !16, i64 28, i64 4, !16, i64 32, i64 4, !16}
!16 = !{!11, !11, i64 0}
!17 = !{!13, !11, i64 8}
!18 = !{!13, !11, i64 32}


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

@size = external dso_local local_unnamed_addr global %struct.GridSize, align 4

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local void @addListNode(ptr nocapture noundef writeonly %0, ptr nocapture noundef %1, ptr nocapture noundef readonly byval(%struct.Node) align 8 %2) local_unnamed_addr #1 {
  %4 = load i32, ptr @size, align 4, !tbaa !5
  %5 = zext i32 %4 to i64
  %6 = getelementptr inbounds i8, ptr %2, i64 16
  %7 = load i32, ptr %6, align 8, !tbaa !10
  %8 = sext i32 %7 to i64
  %9 = mul nsw i64 %8, %5
  %10 = getelementptr inbounds %struct.Node, ptr %0, i64 %9
  %11 = getelementptr inbounds i8, ptr %2, i64 12
  %12 = load i32, ptr %11, align 4, !tbaa !13
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds %struct.Node, ptr %10, i64 %13
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %14, ptr noundef nonnull align 8 dereferenceable(40) %2, i64 40, i1 false), !tbaa.struct !14
  %15 = getelementptr inbounds %struct.Node, ptr %10, i64 %13, i32 1
  store i32 1, ptr %15, align 8, !tbaa !17
  %16 = load i32, ptr %1, align 4, !tbaa !16
  %17 = getelementptr inbounds %struct.Node, ptr %10, i64 %13, i32 7
  store i32 %16, ptr %17, align 8, !tbaa !18
  %18 = add nsw i32 %16, 1
  store i32 %18, ptr %1, align 4, !tbaa !16
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: readwrite, inaccessiblemem: none) 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, !7, i64 0}
!6 = !{!"GridSize", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 16}
!11 = !{!"Node", !12, i64 0, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!11, !7, i64 12}
!14 = !{i64 0, i64 8, !15, i64 8, i64 4, !16, i64 12, i64 4, !16, i64 16, i64 4, !16, i64 20, i64 4, !16, i64 24, i64 4, !16, i64 28, i64 4, !16, i64 32, i64 4, !16}
!15 = !{!12, !12, i64 0}
!16 = !{!7, !7, i64 0}
!17 = !{!11, !7, i64 8}
!18 = !{!11, !7, i64 32}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass