; LLVM IR from viveakrt/Competitive-programing :: SPOJ/hmlis.ll (Z6updateiiiiii)

; 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 }

@tree = external dso_local global [262144 x %struct.node], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6updateiiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #0 {
  %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 %struct.node, align 4
  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
  store i32 %5, ptr %12, align 4, !tbaa !5
  %15 = load i32, ptr %10, align 4, !tbaa !5
  %16 = load i32, ptr %7, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %22, label %18

18:                                               ; preds = %6
  %19 = load i32, ptr %10, align 4, !tbaa !5
  %20 = load i32, ptr %8, align 4, !tbaa !5
  %21 = icmp sgt i32 %19, %20
  br i1 %21, label %22, label %23

22:                                               ; preds = %18, %6
  br label %94

23:                                               ; preds = %18
  %24 = load i32, ptr %7, align 4, !tbaa !5
  %25 = load i32, ptr %8, align 4, !tbaa !5
  %26 = icmp eq i32 %24, %25
  br i1 %26, label %27, label %60

27:                                               ; preds = %23
  %28 = load i32, ptr %9, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %29
  %31 = getelementptr inbounds %struct.node, ptr %30, i32 0, i32 0
  %32 = load i32, ptr %31, align 8, !tbaa !9
  %33 = load i32, ptr %11, align 4, !tbaa !5
  %34 = icmp eq i32 %32, %33
  br i1 %34, label %35, label %48

35:                                               ; preds = %27
  %36 = load i32, ptr %9, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %37
  %39 = getelementptr inbounds %struct.node, ptr %38, i32 0, i32 1
  %40 = load i32, ptr %39, align 4, !tbaa !11
  %41 = load i32, ptr %12, align 4, !tbaa !5
  %42 = add nsw i32 %40, %41
  %43 = srem i32 %42, 1000000007
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %45
  %47 = getelementptr inbounds %struct.node, ptr %46, i32 0, i32 1
  store i32 %43, ptr %47, align 4, !tbaa !11
  br label %59

48:                                               ; preds = %27
  %49 = load i32, ptr %11, align 4, !tbaa !5
  %50 = load i32, ptr %9, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %51
  %53 = getelementptr inbounds %struct.node, ptr %52, i32 0, i32 0
  store i32 %49, ptr %53, align 8, !tbaa !9
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = load i32, ptr %9, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %56
  %58 = getelementptr inbounds %struct.node, ptr %57, i32 0, i32 1
  store i32 %54, ptr %58, align 4, !tbaa !11
  br label %59

59:                                               ; preds = %48, %35
  br label %94

60:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  %61 = load i32, ptr %7, align 4, !tbaa !5
  %62 = load i32, ptr %8, align 4, !tbaa !5
  %63 = add nsw i32 %61, %62
  %64 = sdiv i32 %63, 2
  store i32 %64, ptr %13, align 4, !tbaa !5
  %65 = load i32, ptr %7, align 4, !tbaa !5
  %66 = load i32, ptr %13, align 4, !tbaa !5
  %67 = load i32, ptr %9, align 4, !tbaa !5
  %68 = mul nsw i32 %67, 2
  %69 = load i32, ptr %10, align 4, !tbaa !5
  %70 = load i32, ptr %11, align 4, !tbaa !5
  %71 = load i32, ptr %12, align 4, !tbaa !5
  call void @_Z6updateiiiiii(i32 noundef %65, i32 noundef %66, i32 noundef %68, i32 noundef %69, i32 noundef %70, i32 noundef %71)
  %72 = load i32, ptr %13, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  %74 = load i32, ptr %8, align 4, !tbaa !5
  %75 = load i32, ptr %9, align 4, !tbaa !5
  %76 = mul nsw i32 %75, 2
  %77 = add nsw i32 %76, 1
  %78 = load i32, ptr %10, align 4, !tbaa !5
  %79 = load i32, ptr %11, align 4, !tbaa !5
  %80 = load i32, ptr %12, align 4, !tbaa !5
  call void @_Z6updateiiiiii(i32 noundef %73, i32 noundef %74, i32 noundef %77, i32 noundef %78, i32 noundef %79, i32 noundef %80)
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %81 = load i32, ptr %9, align 4, !tbaa !5
  %82 = mul nsw i32 %81, 2
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %83
  %85 = load i32, ptr %9, align 4, !tbaa !5
  %86 = mul nsw i32 %85, 2
  %87 = add nsw i32 %86, 1
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %88
  %90 = call i64 @_ZplRK4nodeS1_(ptr noundef nonnull align 4 dereferenceable(8) %84, ptr noundef nonnull align 4 dereferenceable(8) %89)
  store i64 %90, ptr %14, align 4
  %91 = load i32, ptr %9, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %92
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %93, ptr align 4 %14, i64 8, i1 false), !tbaa.struct !12
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  br label %94

94:                                               ; preds = %60, %59, %22
  ret void
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZplRK4nodeS1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #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

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!10, !6, i64 0}
!10 = !{!"_ZTS4node", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = !{i64 0, i64 4, !5, i64 4, 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 }

@tree = external dso_local global [262144 x %struct.node], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z6updateiiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #0 {
  %7 = icmp slt i32 %3, %0
  %8 = icmp sgt i32 %3, %1
  %or.cond = or i1 %7, %8
  br i1 %or.cond, label %common.ret35, label %9

9:                                                ; preds = %6
  %10 = icmp eq i32 %0, %1
  br i1 %10, label %11, label %23

11:                                               ; preds = %9
  %12 = sext i32 %2 to i64
  %13 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %12
  %14 = load i32, ptr %13, align 8, !tbaa !5
  %15 = icmp eq i32 %14, %4
  br i1 %15, label %16, label %21

16:                                               ; preds = %11
  %17 = getelementptr inbounds i8, ptr %13, i64 4
  %18 = load i32, ptr %17, align 4, !tbaa !10
  %19 = add nsw i32 %18, %5
  %20 = srem i32 %19, 1000000007
  store i32 %20, ptr %17, align 4, !tbaa !10
  br label %common.ret35

21:                                               ; preds = %11
  store i32 %4, ptr %13, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %13, i64 4
  store i32 %5, ptr %22, align 4, !tbaa !10
  br label %common.ret35

common.ret35:                                     ; preds = %16, %21, %6, %23
  ret void

23:                                               ; preds = %9
  %24 = add nsw i32 %1, %0
  %25 = sdiv i32 %24, 2
  %26 = shl nsw i32 %2, 1
  tail call void @_Z6updateiiiiii(i32 noundef %0, i32 noundef %25, i32 noundef %26, i32 noundef %3, i32 noundef %4, i32 noundef %5)
  %27 = add nsw i32 %25, 1
  %28 = or disjoint i32 %26, 1
  tail call void @_Z6updateiiiiii(i32 noundef %27, i32 noundef %1, i32 noundef %28, i32 noundef %3, i32 noundef %4, i32 noundef %5)
  %29 = sext i32 %26 to i64
  %30 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %29
  %31 = sext i32 %28 to i64
  %32 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %31
  %33 = tail call i64 @_ZplRK4nodeS1_(ptr noundef nonnull align 4 dereferenceable(8) %30, ptr noundef nonnull align 4 dereferenceable(8) %32)
  %34 = sext i32 %2 to i64
  %35 = getelementptr inbounds [262144 x %struct.node], ptr @tree, i64 0, i64 %34
  store i64 %33, ptr %35, align 8
  br label %common.ret35
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local i64 @_ZplRK4nodeS1_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0

attributes #0 = { 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" }

!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 = !{!"_ZTS4node", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 4}


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