; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/223 Division 1/Problem C/C.ll (Z5queryiiiii)

; 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 { i32, i32, i32 }

@tree = external dso_local global [4194304 x %struct.node], align 16

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #1 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local { i64, i32 } @_Z5queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #1 {
  %6 = alloca %struct.node, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %struct.node, align 4
  %16 = alloca { i64, i32 }, align 8
  %17 = alloca %struct.node, align 4
  %18 = alloca { i64, i32 }, align 8
  %19 = alloca { i64, i32 }, align 8
  store i32 %0, ptr %7, align 4, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !5
  store i32 %3, ptr %10, align 4, !tbaa !5
  store i32 %4, ptr %11, align 4, !tbaa !5
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load i32, ptr %11, align 4, !tbaa !5
  %22 = icmp sge i32 %20, %21
  br i1 %22, label %27, label %23

23:                                               ; preds = %5
  %24 = load i32, ptr %10, align 4, !tbaa !5
  %25 = load i32, ptr %8, align 4, !tbaa !5
  %26 = icmp sge i32 %24, %25
  br i1 %26, label %27, label %28

27:                                               ; preds = %23, %5
  call void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12) %6)
  br label %61

28:                                               ; preds = %23
  %29 = load i32, ptr %7, align 4, !tbaa !5
  %30 = load i32, ptr %10, align 4, !tbaa !5
  %31 = icmp sle i32 %29, %30
  br i1 %31, label %32, label %40

32:                                               ; preds = %28
  %33 = load i32, ptr %11, align 4, !tbaa !5
  %34 = load i32, ptr %8, align 4, !tbaa !5
  %35 = icmp sle i32 %33, %34
  br i1 %35, label %36, label %40

36:                                               ; preds = %32
  %37 = load i32, ptr %9, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [4194304 x %struct.node], ptr @tree, i64 0, i64 %38
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %39, i64 12, i1 false), !tbaa.struct !9
  br label %61

40:                                               ; preds = %32, %28
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %41 = load i32, ptr %9, align 4, !tbaa !5
  %42 = shl i32 %41, 1
  store i32 %42, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %43 = load i32, ptr %12, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %45 = load i32, ptr %10, align 4, !tbaa !5
  %46 = load i32, ptr %11, align 4, !tbaa !5
  %47 = add nsw i32 %45, %46
  %48 = ashr i32 %47, 1
  store i32 %48, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr %15) #4
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = load i32, ptr %8, align 4, !tbaa !5
  %51 = load i32, ptr %12, align 4, !tbaa !5
  %52 = load i32, ptr %10, align 4, !tbaa !5
  %53 = load i32, ptr %14, align 4, !tbaa !5
  %54 = call { i64, i32 } @_Z5queryiiiii(i32 noundef %49, i32 noundef %50, i32 noundef %51, i32 noundef %52, i32 noundef %53)
  store { i64, i32 } %54, ptr %16, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 8 %16, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %17) #4
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = load i32, ptr %8, align 4, !tbaa !5
  %57 = load i32, ptr %13, align 4, !tbaa !5
  %58 = load i32, ptr %14, align 4, !tbaa !5
  %59 = load i32, ptr %11, align 4, !tbaa !5
  %60 = call { i64, i32 } @_Z5queryiiiii(i32 noundef %55, i32 noundef %56, i32 noundef %57, i32 noundef %58, i32 noundef %59)
  store { i64, i32 } %60, ptr %18, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %18, i64 12, i1 false)
  call void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12) %6)
  call void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 4 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %15, ptr noundef nonnull align 4 dereferenceable(12) %17)
  call void @llvm.lifetime.end.p0(i64 12, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %61

61:                                               ; preds = %40, %36, %27
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %19, ptr align 4 %6, i64 12, i1 false)
  %62 = load { i64, i32 }, ptr %19, align 8
  ret { i64, i32 } %62
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12)) #2 align 2

; 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) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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++ TBAA"}
!9 = !{i64 0, i64 4, !5, i64 4, i64 4, !5, i64 8, i64 4, !5}


; 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 { i32, i32, i32 }

@tree = external dso_local local_unnamed_addr global [4194304 x %struct.node], align 16

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local { i64, i32 } @_Z5queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #1 {
  %6 = alloca %struct.node, align 8
  %7 = alloca %struct.node, align 8
  %8 = alloca %struct.node, align 8
  %.not = icmp slt i32 %0, %4
  %.not32 = icmp slt i32 %3, %1
  %or.cond = and i1 %.not32, %.not
  br i1 %or.cond, label %10, label %9

9:                                                ; preds = %5
  call void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12) %6)
  br label %21

10:                                               ; preds = %5
  %.not33 = icmp sgt i32 %0, %3
  %.not34 = icmp sgt i32 %4, %1
  %or.cond35 = or i1 %.not33, %.not34
  br i1 %or.cond35, label %14, label %11

11:                                               ; preds = %10
  %12 = sext i32 %2 to i64
  %13 = getelementptr inbounds [4194304 x %struct.node], ptr @tree, i64 0, i64 %12
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %13, i64 12, i1 false), !tbaa.struct !5
  br label %21

14:                                               ; preds = %10
  %15 = shl i32 %2, 1
  %16 = or disjoint i32 %15, 1
  %17 = add nsw i32 %4, %3
  %18 = ashr i32 %17, 1
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %7) #4
  %19 = tail call { i64, i32 } @_Z5queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %15, i32 noundef %3, i32 noundef %18)
  %.fca.0.extract3 = extractvalue { i64, i32 } %19, 0
  %.fca.1.extract4 = extractvalue { i64, i32 } %19, 1
  store i64 %.fca.0.extract3, ptr %7, align 8
  %.sroa.26.0..sroa_idx = getelementptr inbounds i8, ptr %7, i64 8
  store i32 %.fca.1.extract4, ptr %.sroa.26.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %8) #4
  %20 = tail call { i64, i32 } @_Z5queryiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %16, i32 noundef %18, i32 noundef %4)
  %.fca.0.extract = extractvalue { i64, i32 } %20, 0
  %.fca.1.extract = extractvalue { i64, i32 } %20, 1
  store i64 %.fca.0.extract, ptr %8, align 8
  %.sroa.22.0..sroa_idx = getelementptr inbounds i8, ptr %8, i64 8
  store i32 %.fca.1.extract, ptr %.sroa.22.0..sroa_idx, align 8
  call void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12) %6)
  call void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 4 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %7, ptr noundef nonnull align 4 dereferenceable(12) %8)
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %7) #4
  br label %21

21:                                               ; preds = %14, %11, %9
  %.sroa.0.0.copyload = load i64, ptr %6, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  %.sroa.2.0.copyload = load i32, ptr %.sroa.2.0..sroa_idx, align 8
  %.fca.0.insert = insertvalue { i64, i32 } poison, i64 %.sroa.0.0.copyload, 0
  %.fca.1.insert = insertvalue { i64, i32 } %.fca.0.insert, i32 %.sroa.2.0.copyload, 1
  ret { i64, i32 } %.fca.1.insert
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4node5resetEv(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #2 align 2

; 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) #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{i64 0, i64 4, !6, i64 4, i64 4, !6, i64 8, i64 4, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass