; LLVM IR from VAR-solutions/Algorithms :: Tree/segment tree/cpp/Segment  Tree Lazy Propagation.ll (Z4lazyxxx)

; 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"

@tree = external dso_local global [400001 x i64], align 16
@tree1 = external dso_local global [400001 x i64], align 16

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_Z4lazyxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) #0 {
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !5
  %7 = load i64, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %7
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = load i64, ptr %6, align 8, !tbaa !5
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = sub nsw i64 %10, %11
  %13 = add nsw i64 %12, 1
  %14 = mul nsw i64 %9, %13
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds [400001 x i64], ptr @tree, i64 0, i64 %15
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = add nsw i64 %17, %14
  store i64 %18, ptr %16, align 8, !tbaa !5
  %19 = load i64, ptr %5, align 8, !tbaa !5
  %20 = load i64, ptr %6, align 8, !tbaa !5
  %21 = icmp eq i64 %19, %20
  br i1 %21, label %22, label %25

22:                                               ; preds = %3
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %23
  store i64 0, ptr %24, align 8, !tbaa !5
  br label %45

25:                                               ; preds = %3
  %26 = load i64, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %26
  %28 = load i64, ptr %27, align 8, !tbaa !5
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = mul nsw i64 2, %29
  %31 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %30
  %32 = load i64, ptr %31, align 8, !tbaa !5
  %33 = add nsw i64 %32, %28
  store i64 %33, ptr %31, align 8, !tbaa !5
  %34 = load i64, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %34
  %36 = load i64, ptr %35, align 8, !tbaa !5
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %38 = mul nsw i64 2, %37
  %39 = add nsw i64 %38, 1
  %40 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %39
  %41 = load i64, ptr %40, align 8, !tbaa !5
  %42 = add nsw i64 %41, %36
  store i64 %42, ptr %40, align 8, !tbaa !5
  %43 = load i64, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %43
  store i64 0, ptr %44, align 8, !tbaa !5
  br label %45

45:                                               ; preds = %25, %22
  ret void
}

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, !6, i64 0}
!6 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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"

@tree = external dso_local local_unnamed_addr global [400001 x i64], align 16
@tree1 = external dso_local local_unnamed_addr global [400001 x i64], align 16

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z4lazyxxx(i64 noundef %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %0
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %reass.sub = sub i64 %2, %1
  %6 = add i64 %reass.sub, 1
  %7 = mul nsw i64 %5, %6
  %8 = getelementptr inbounds [400001 x i64], ptr @tree, i64 0, i64 %0
  %9 = load i64, ptr %8, align 8, !tbaa !5
  %10 = add nsw i64 %9, %7
  store i64 %10, ptr %8, align 8, !tbaa !5
  %11 = icmp eq i64 %1, %2
  br i1 %11, label %22, label %12

12:                                               ; preds = %3
  %13 = shl nsw i64 %0, 1
  %14 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %13
  %15 = load i64, ptr %14, align 16, !tbaa !5
  %16 = add nsw i64 %15, %5
  store i64 %16, ptr %14, align 16, !tbaa !5
  %17 = load i64, ptr %4, align 8, !tbaa !5
  %18 = or disjoint i64 %13, 1
  %19 = getelementptr inbounds [400001 x i64], ptr @tree1, i64 0, i64 %18
  %20 = load i64, ptr %19, align 8, !tbaa !5
  %21 = add nsw i64 %20, %17
  store i64 %21, ptr %19, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %3, %12
  store i64 0, ptr %4, align 8, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, argmem: none, inaccessiblemem: none) 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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