; LLVM IR from AlgoGenesis/C :: Mathematical Algorithms/Voronoi Diagram Construction (Program)

; 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.Point = type { double, double }

@site_count = external dso_local global i32, align 4
@sites = external dso_local global [100 x %struct.Point], align 16
@.str.2 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @compute_voronoi() #0

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @print_voronoi() #0

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %3 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef 100)
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef @site_count)
  %5 = load i32, ptr @site_count, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 100
  br i1 %6, label %7, label %9

7:                                                ; preds = %0
  %8 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  store i32 1, ptr %1, align 4
  br label %30

9:                                                ; preds = %0
  %10 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %26, %9
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr @site_count, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  br label %29

16:                                               ; preds = %11
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [100 x %struct.Point], ptr @sites, i64 0, i64 %18
  %20 = getelementptr inbounds %struct.Point, ptr %19, i32 0, i32 0
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [100 x %struct.Point], ptr @sites, i64 0, i64 %22
  %24 = getelementptr inbounds %struct.Point, ptr %23, i32 0, i32 1
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.6, ptr noundef %20, ptr noundef %24)
  br label %26

26:                                               ; preds = %16
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %2, align 4, !tbaa !5
  br label %11, !llvm.loop !9

29:                                               ; preds = %15
  call void @compute_voronoi()
  call void @print_voronoi()
  store i32 0, ptr %1, align 4
  br label %30

30:                                               ; preds = %29, %7
  %31 = load i32, ptr %1, align 4
  ret i32 %31
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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.Point = type { double, double }

@site_count = external dso_local global i32, align 4
@sites = external dso_local global [100 x %struct.Point], align 16
@.str.2 = external hidden unnamed_addr constant [38 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @compute_voronoi() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @print_voronoi() local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @main() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef 100)
  %2 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull @site_count)
  %3 = load i32, ptr @site_count, align 4, !tbaa !5
  %4 = icmp sgt i32 %3, 100
  br i1 %4, label %5, label %7

5:                                                ; preds = %0
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  br label %17

7:                                                ; preds = %0
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  %9 = load i32, ptr @site_count, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %7
  tail call void @compute_voronoi()
  tail call void @print_voronoi()
  br label %17

.lr.ph:                                           ; preds = %7, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %7 ]
  %11 = getelementptr inbounds [100 x %struct.Point], ptr @sites, i64 0, i64 %indvars.iv
  %12 = getelementptr inbounds i8, ptr %11, i64 8
  %13 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.6, ptr noundef nonnull %11, ptr noundef nonnull %12)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %14 = load i32, ptr @site_count, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  %16 = icmp slt i64 %indvars.iv.next, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9

17:                                               ; preds = %._crit_edge, %5
  %.05 = phi i32 [ 1, %5 ], [ 0, %._crit_edge ]
  ret i32 %.05
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) 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 = { nofree nounwind "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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