; LLVM IR from HarshCasper/NeoAlgo :: C/cp (cp_sets_question)

; 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @countHappiness(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) #0 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !5
  store ptr %4, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 0, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %58, %5
  %15 = load i32, ptr %12, align 4, !tbaa !9
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %18, label %61

18:                                               ; preds = %14
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %54, %18
  %20 = load i32, ptr %13, align 4, !tbaa !9
  %21 = load i32, ptr %8, align 4, !tbaa !9
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %23, label %57

23:                                               ; preds = %19
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = load i32, ptr %13, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i32, ptr %24, i64 %26
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = load i32, ptr %12, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds i32, ptr %29, i64 %31
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = icmp eq i32 %28, %33
  br i1 %34, label %35, label %38

35:                                               ; preds = %23
  %36 = load i32, ptr %11, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %11, align 4, !tbaa !9
  br label %57

38:                                               ; preds = %23
  %39 = load ptr, ptr %10, align 8, !tbaa !5
  %40 = load i32, ptr %13, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds i32, ptr %39, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !9
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = load i32, ptr %12, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds i32, ptr %44, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !9
  %49 = icmp eq i32 %43, %48
  br i1 %49, label %50, label %53

50:                                               ; preds = %38
  %51 = load i32, ptr %11, align 4, !tbaa !9
  %52 = sub nsw i32 %51, 1
  store i32 %52, ptr %11, align 4, !tbaa !9
  br label %57

53:                                               ; preds = %38
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %13, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %13, align 4, !tbaa !9
  br label %19, !llvm.loop !11

57:                                               ; preds = %50, %35, %19
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %12, align 4, !tbaa !9
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %12, align 4, !tbaa !9
  br label %14, !llvm.loop !13

61:                                               ; preds = %14
  %62 = load i32, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  ret i32 %62
}

; 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

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 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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: nofree norecurse nosync nounwind memory(argmem: read) uwtable
define dso_local i32 @countHappiness(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2, ptr nocapture noundef readonly %3, ptr nocapture noundef readonly %4) local_unnamed_addr #0 {
  %6 = icmp sgt i32 %1, 0
  %7 = icmp sgt i32 %2, 0
  %or.cond = and i1 %6, %7
  br i1 %or.cond, label %.preheader.us.preheader, label %._crit_edge

.preheader.us.preheader:                          ; preds = %5
  %wide.trip.count28 = zext nneg i32 %1 to i64
  %wide.trip.count = zext nneg i32 %2 to i64
  br label %.preheader.us

.preheader.us:                                    ; preds = %.preheader.us.preheader, %..loopexit_crit_edge.us
  %indvars.iv25 = phi i64 [ 0, %.preheader.us.preheader ], [ %indvars.iv.next26, %..loopexit_crit_edge.us ]
  %.01720.us = phi i32 [ 0, %.preheader.us.preheader ], [ %.1.us, %..loopexit_crit_edge.us ]
  %8 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv25
  %9 = load i32, ptr %8, align 4, !tbaa !5
  br label %11

10:                                               ; preds = %15
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %..loopexit_crit_edge.us, label %11, !llvm.loop !9

11:                                               ; preds = %.preheader.us, %10
  %indvars.iv = phi i64 [ 0, %.preheader.us ], [ %indvars.iv.next, %10 ]
  %12 = getelementptr inbounds i32, ptr %3, i64 %indvars.iv
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = icmp eq i32 %13, %9
  br i1 %14, label %21, label %15

15:                                               ; preds = %11
  %16 = getelementptr inbounds i32, ptr %4, i64 %indvars.iv
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = icmp eq i32 %17, %9
  br i1 %18, label %19, label %10

19:                                               ; preds = %15
  %20 = add nsw i32 %.01720.us, -1
  br label %..loopexit_crit_edge.us

21:                                               ; preds = %11
  %22 = add nsw i32 %.01720.us, 1
  br label %..loopexit_crit_edge.us

..loopexit_crit_edge.us:                          ; preds = %10, %21, %19
  %.1.us = phi i32 [ %22, %21 ], [ %20, %19 ], [ %.01720.us, %10 ]
  %indvars.iv.next26 = add nuw nsw i64 %indvars.iv25, 1
  %exitcond29.not = icmp eq i64 %indvars.iv.next26, %wide.trip.count28
  br i1 %exitcond29.not, label %._crit_edge, label %.preheader.us, !llvm.loop !11

._crit_edge:                                      ; preds = %..loopexit_crit_edge.us, %5
  %.017.lcssa = phi i32 [ 0, %5 ], [ %.1.us, %..loopexit_crit_edge.us ]
  ret i32 %.017.lcssa
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: read) 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass