; LLVM IR from VastoLorde95/Competitive-Programming :: CodeChef/WF/Easy Medium/ACM14KN4/A.ll (Z8decqueryiiiii)

; 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 { i8, i8, i32, i64, i32, i32 }

@tree = external dso_local global [262144 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 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #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: 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) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8decqueryiiiii(ptr dead_on_unwind noalias writable sret(%struct.node) align 8 %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #1 {
  %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 %struct.node, align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %struct.node, align 8
  %18 = alloca %struct.node, align 8
  store i32 %1, ptr %7, align 4, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !5
  store i32 %4, ptr %10, align 4, !tbaa !5
  store i32 %5, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #3
  %19 = load i32, ptr %7, align 4, !tbaa !5
  %20 = load i32, ptr %11, align 4, !tbaa !5
  %21 = icmp sge i32 %19, %20
  br i1 %21, label %26, label %22

22:                                               ; preds = %6
  %23 = load i32, ptr %10, align 4, !tbaa !5
  %24 = load i32, ptr %8, align 4, !tbaa !5
  %25 = icmp sge i32 %23, %24
  br i1 %25, label %26, label %30

26:                                               ; preds = %22, %6
  %27 = getelementptr inbounds %struct.node, ptr %12, i32 0, i32 5
  store i32 1000000000, ptr %27, align 4, !tbaa !9
  %28 = getelementptr inbounds %struct.node, ptr %12, i32 0, i32 4
  store i32 -1000000000, ptr %28, align 8, !tbaa !13
  %29 = getelementptr inbounds %struct.node, ptr %12, i32 0, i32 1
  store i8 1, ptr %29, align 1, !tbaa !14
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %12, i64 24, i1 false), !tbaa.struct !15
  store i32 1, ptr %13, align 4
  br label %61

30:                                               ; preds = %22
  %31 = load i32, ptr %7, align 4, !tbaa !5
  %32 = load i32, ptr %10, align 4, !tbaa !5
  %33 = icmp sle i32 %31, %32
  br i1 %33, label %34, label %42

34:                                               ; preds = %30
  %35 = load i32, ptr %11, align 4, !tbaa !5
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = icmp sle i32 %35, %36
  br i1 %37, label %38, label %42

38:                                               ; preds = %34
  %39 = load i32, ptr %9, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %40
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %41, i64 24, i1 false), !tbaa.struct !15
  store i32 1, ptr %13, align 4
  br label %61

42:                                               ; preds = %34, %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %43 = load i32, ptr %9, align 4, !tbaa !5
  %44 = shl i32 %43, 1
  store i32 %44, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #3
  %45 = load i32, ptr %14, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #3
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = load i32, ptr %11, align 4, !tbaa !5
  %49 = add nsw i32 %47, %48
  %50 = ashr i32 %49, 1
  store i32 %50, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #3
  %51 = load i32, ptr %7, align 4, !tbaa !5
  %52 = load i32, ptr %8, align 4, !tbaa !5
  %53 = load i32, ptr %14, align 4, !tbaa !5
  %54 = load i32, ptr %10, align 4, !tbaa !5
  %55 = load i32, ptr %16, align 4, !tbaa !5
  call void @_Z8decqueryiiiii(ptr dead_on_unwind writable sret(%struct.node) align 8 %17, i32 noundef %51, i32 noundef %52, i32 noundef %53, i32 noundef %54, i32 noundef %55)
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #3
  %56 = load i32, ptr %7, align 4, !tbaa !5
  %57 = load i32, ptr %8, align 4, !tbaa !5
  %58 = load i32, ptr %15, align 4, !tbaa !5
  %59 = load i32, ptr %16, align 4, !tbaa !5
  %60 = load i32, ptr %11, align 4, !tbaa !5
  call void @_Z8decqueryiiiii(ptr dead_on_unwind writable sret(%struct.node) align 8 %18, i32 noundef %56, i32 noundef %57, i32 noundef %58, i32 noundef %59, i32 noundef %60)
  call void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %18)
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %0, ptr align 8 %12, i64 24, i1 false), !tbaa.struct !15
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %61

61:                                               ; preds = %42, %38, %26
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  ret void
}

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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++ TBAA"}
!9 = !{!10, !6, i64 20}
!10 = !{!"_ZTS4node", !11, i64 0, !11, i64 1, !6, i64 4, !12, i64 8, !6, i64 16, !6, i64 20}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !11, i64 1}
!15 = !{i64 0, i64 1, !16, i64 1, i64 1, !16, i64 4, i64 4, !5, i64 8, i64 8, !17, i64 16, i64 4, !5, i64 20, i64 4, !5}
!16 = !{!11, !11, i64 0}
!17 = !{!12, !12, i64 0}


; 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 { i8, i8, i32, i64, i32, i32 }

@tree = external dso_local local_unnamed_addr global [262144 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 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) 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 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) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8decqueryiiiii(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.node) align 8 %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #1 {
  %7 = alloca %struct.node, align 8
  %8 = alloca %struct.node, align 8
  %9 = alloca %struct.node, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  %.not = icmp slt i32 %1, %5
  %.not26 = icmp slt i32 %4, %2
  %or.cond = and i1 %.not26, %.not
  br i1 %or.cond, label %14, label %10

10:                                               ; preds = %6
  %11 = getelementptr inbounds i8, ptr %7, i64 20
  store i32 1000000000, ptr %11, align 4, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %7, i64 16
  store i32 -1000000000, ptr %12, align 8, !tbaa !12
  %13 = getelementptr inbounds i8, ptr %7, i64 1
  store i8 1, ptr %13, align 1, !tbaa !13
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %7, i64 24, i1 false), !tbaa.struct !14
  br label %23

14:                                               ; preds = %6
  %.not27 = icmp sgt i32 %1, %4
  %.not28 = icmp sgt i32 %5, %2
  %or.cond29 = or i1 %.not27, %.not28
  br i1 %or.cond29, label %18, label %15

15:                                               ; preds = %14
  %16 = sext i32 %3 to i64
  %17 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %16
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %17, i64 24, i1 false), !tbaa.struct !14
  br label %23

18:                                               ; preds = %14
  %19 = shl i32 %3, 1
  %20 = or disjoint i32 %19, 1
  %21 = add nsw i32 %5, %4
  %22 = ashr i32 %21, 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #3
  call void @_Z8decqueryiiiii(ptr dead_on_unwind nonnull writable sret(%struct.node) align 8 %8, i32 noundef %1, i32 noundef %2, i32 noundef %19, i32 noundef %4, i32 noundef %22)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #3
  call void @_Z8decqueryiiiii(ptr dead_on_unwind nonnull writable sret(%struct.node) align 8 %9, i32 noundef %1, i32 noundef %2, i32 noundef %20, i32 noundef %22, i32 noundef %5)
  call void @_ZN4node7combineERS_S0_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %9)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %7, i64 24, i1 false), !tbaa.struct !14
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #3
  br label %23

23:                                               ; preds = %18, %15, %10
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  ret void
}

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 nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 20}
!6 = !{!"_ZTS4node", !7, i64 0, !7, i64 1, !10, i64 4, !11, i64 8, !10, i64 16, !10, i64 20}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"long long", !8, i64 0}
!12 = !{!6, !10, i64 16}
!13 = !{!6, !7, i64 1}
!14 = !{i64 0, i64 1, !15, i64 1, i64 1, !15, i64 4, i64 4, !16, i64 8, i64 8, !17, i64 16, i64 4, !16, i64 20, i64 4, !16}
!15 = !{!7, !7, i64 0}
!16 = !{!10, !10, i64 0}
!17 = !{!11, !11, i64 0}


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