; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 22. Segment Tree/Forest_Queries.ll (Z5buildPxxS_xx)

; 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: mustprogress uwtable
define dso_local noundef i64 @_Z5buildPxxS_xx(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, i64 noundef %4) #0 {
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i64 %1, ptr %8, align 8, !tbaa !9
  store ptr %2, ptr %9, align 8, !tbaa !5
  store i64 %3, ptr %10, align 8, !tbaa !9
  store i64 %4, ptr %11, align 8, !tbaa !9
  %15 = load i64, ptr %10, align 8, !tbaa !9
  %16 = load i64, ptr %11, align 8, !tbaa !9
  %17 = icmp eq i64 %15, %16
  br i1 %17, label %18, label %30

18:                                               ; preds = %5
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load i64, ptr %10, align 8, !tbaa !9
  %21 = getelementptr inbounds i64, ptr %19, i64 %20
  %22 = load i64, ptr %21, align 8, !tbaa !9
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = getelementptr inbounds i64, ptr %23, i64 %24
  store i64 %22, ptr %25, align 8, !tbaa !9
  %26 = load ptr, ptr %9, align 8, !tbaa !5
  %27 = load i64, ptr %10, align 8, !tbaa !9
  %28 = getelementptr inbounds i64, ptr %26, i64 %27
  %29 = load i64, ptr %28, align 8, !tbaa !9
  store i64 %29, ptr %6, align 8
  br label %61

30:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #2
  %31 = load i64, ptr %10, align 8, !tbaa !9
  %32 = load i64, ptr %11, align 8, !tbaa !9
  %33 = add nsw i64 %31, %32
  %34 = sdiv i64 %33, 2
  store i64 %34, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #2
  %35 = load ptr, ptr %7, align 8, !tbaa !5
  %36 = load i64, ptr %8, align 8, !tbaa !9
  %37 = mul nsw i64 2, %36
  %38 = load ptr, ptr %9, align 8, !tbaa !5
  %39 = load i64, ptr %10, align 8, !tbaa !9
  %40 = load i64, ptr %12, align 8, !tbaa !9
  %41 = call noundef i64 @_Z5buildPxxS_xx(ptr noundef %35, i64 noundef %37, ptr noundef %38, i64 noundef %39, i64 noundef %40)
  store i64 %41, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #2
  %42 = load ptr, ptr %7, align 8, !tbaa !5
  %43 = load i64, ptr %8, align 8, !tbaa !9
  %44 = mul nsw i64 2, %43
  %45 = add nsw i64 %44, 1
  %46 = load ptr, ptr %9, align 8, !tbaa !5
  %47 = load i64, ptr %12, align 8, !tbaa !9
  %48 = add nsw i64 %47, 1
  %49 = load i64, ptr %11, align 8, !tbaa !9
  %50 = call noundef i64 @_Z5buildPxxS_xx(ptr noundef %42, i64 noundef %45, ptr noundef %46, i64 noundef %48, i64 noundef %49)
  store i64 %50, ptr %14, align 8, !tbaa !9
  %51 = load i64, ptr %13, align 8, !tbaa !9
  %52 = load i64, ptr %14, align 8, !tbaa !9
  %53 = xor i64 %51, %52
  %54 = load ptr, ptr %7, align 8, !tbaa !5
  %55 = load i64, ptr %8, align 8, !tbaa !9
  %56 = getelementptr inbounds i64, ptr %54, i64 %55
  store i64 %53, ptr %56, align 8, !tbaa !9
  %57 = load ptr, ptr %7, align 8, !tbaa !5
  %58 = load i64, ptr %8, align 8, !tbaa !9
  %59 = getelementptr inbounds i64, ptr %57, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !9
  store i64 %60, ptr %6, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #2
  br label %61

61:                                               ; preds = %30, %18
  %62 = load i64, ptr %6, align 8
  ret i64 %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 = { 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 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, 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"

; Function Attrs: mustprogress nofree nosync nounwind memory(argmem: readwrite) uwtable
define dso_local noundef i64 @_Z5buildPxxS_xx(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3, i64 noundef %4) local_unnamed_addr #0 {
  %6 = icmp eq i64 %3, %4
  br i1 %6, label %7, label %11

7:                                                ; preds = %5
  %8 = getelementptr inbounds i64, ptr %2, i64 %3
  %9 = load i64, ptr %8, align 8, !tbaa !5
  br label %common.ret

common.ret:                                       ; preds = %7, %11
  %.sink = phi i64 [ %9, %7 ], [ %19, %11 ]
  %10 = getelementptr inbounds i64, ptr %0, i64 %1
  store i64 %.sink, ptr %10, align 8, !tbaa !5
  ret i64 %.sink

11:                                               ; preds = %5
  %12 = add nsw i64 %4, %3
  %13 = sdiv i64 %12, 2
  %14 = shl nsw i64 %1, 1
  %15 = tail call noundef i64 @_Z5buildPxxS_xx(ptr noundef %0, i64 noundef %14, ptr noundef %2, i64 noundef %3, i64 noundef %13)
  %16 = or disjoint i64 %14, 1
  %17 = add nsw i64 %13, 1
  %18 = tail call noundef i64 @_Z5buildPxxS_xx(ptr noundef %0, i64 noundef %16, ptr noundef %2, i64 noundef %17, i64 noundef %4)
  %19 = xor i64 %18, %15
  br label %common.ret
}

attributes #0 = { mustprogress nofree nosync nounwind memory(argmem: readwrite) 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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass