; LLVM IR from JanaSabuj/cppdump :: Old/DS/Segment Tree- impl1.ll (Z6updateiiiii)

; 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 [300003 x i32], 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: 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 void @_Z6updateiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) #1 {
  %6 = alloca i32, 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
  store i32 %0, ptr %6, align 4, !tbaa !5
  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
  %14 = load i32, ptr %7, align 4, !tbaa !5
  %15 = load i32, ptr %9, align 4, !tbaa !5
  %16 = icmp sgt i32 %14, %15
  br i1 %16, label %21, label %17

17:                                               ; preds = %5
  %18 = load i32, ptr %8, align 4, !tbaa !5
  %19 = load i32, ptr %9, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %21, label %22

21:                                               ; preds = %17, %5
  br label %68

22:                                               ; preds = %17
  %23 = load i32, ptr %7, align 4, !tbaa !5
  %24 = load i32, ptr %9, align 4, !tbaa !5
  %25 = icmp sge i32 %23, %24
  br i1 %25, label %26, label %35

26:                                               ; preds = %22
  %27 = load i32, ptr %8, align 4, !tbaa !5
  %28 = load i32, ptr %9, align 4, !tbaa !5
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %30, label %35

30:                                               ; preds = %26
  %31 = load i32, ptr %10, align 4, !tbaa !5
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %33
  store i32 %31, ptr %34, align 4, !tbaa !5
  br label %68

35:                                               ; preds = %26, %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = mul nsw i32 %36, 2
  store i32 %37, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = mul nsw i32 %38, 2
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  %41 = load i32, ptr %7, align 4, !tbaa !5
  %42 = load i32, ptr %8, align 4, !tbaa !5
  %43 = add nsw i32 %41, %42
  %44 = sdiv i32 %43, 2
  store i32 %44, ptr %13, align 4, !tbaa !5
  %45 = load i32, ptr %11, align 4, !tbaa !5
  %46 = load i32, ptr %7, align 4, !tbaa !5
  %47 = load i32, ptr %13, align 4, !tbaa !5
  %48 = load i32, ptr %9, align 4, !tbaa !5
  %49 = load i32, ptr %10, align 4, !tbaa !5
  call void @_Z6updateiiiii(i32 noundef %45, i32 noundef %46, i32 noundef %47, i32 noundef %48, i32 noundef %49)
  %50 = load i32, ptr %12, align 4, !tbaa !5
  %51 = load i32, ptr %13, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = load i32, ptr %9, align 4, !tbaa !5
  %55 = load i32, ptr %10, align 4, !tbaa !5
  call void @_Z6updateiiiii(i32 noundef %50, i32 noundef %52, i32 noundef %53, i32 noundef %54, i32 noundef %55)
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %57
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = load i32, ptr %12, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %59, %63
  %65 = load i32, ptr %6, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %66
  store i32 %64, ptr %67, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %68

68:                                               ; preds = %35, %30, %21
  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 = { 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"}


; 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 [300003 x i32], align 16

; Function Attrs: mustprogress nofree nosync nounwind memory(readwrite, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @_Z6updateiiiii(i32 noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 {
  %6 = icmp sgt i32 %1, %3
  %7 = icmp slt i32 %2, %3
  %or.cond = or i1 %6, %7
  br i1 %or.cond, label %common.ret, label %8

8:                                                ; preds = %5
  %.not = icmp slt i32 %1, %3
  %.not29 = icmp sgt i32 %2, %3
  %or.cond30 = or i1 %.not, %.not29
  br i1 %or.cond30, label %11, label %common.ret.sink.split

common.ret.sink.split:                            ; preds = %8, %11
  %.sink = phi i32 [ %23, %11 ], [ %4, %8 ]
  %9 = sext i32 %0 to i64
  %10 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %9
  store i32 %.sink, ptr %10, align 4, !tbaa !5
  br label %common.ret

common.ret:                                       ; preds = %common.ret.sink.split, %5
  ret void

11:                                               ; preds = %8
  %12 = shl nsw i32 %0, 1
  %13 = or disjoint i32 %12, 1
  %14 = add nsw i32 %2, %1
  %15 = sdiv i32 %14, 2
  tail call void @_Z6updateiiiii(i32 noundef %12, i32 noundef %1, i32 noundef %15, i32 noundef %3, i32 noundef %4)
  %16 = add nsw i32 %15, 1
  tail call void @_Z6updateiiiii(i32 noundef %13, i32 noundef %16, i32 noundef %2, i32 noundef %3, i32 noundef %4)
  %17 = sext i32 %12 to i64
  %18 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %17
  %19 = load i32, ptr %18, align 8, !tbaa !5
  %20 = sext i32 %13 to i64
  %21 = getelementptr inbounds [300003 x i32], ptr @tree, i64 0, i64 %20
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = add nsw i32 %22, %19
  br label %common.ret.sink.split
}

attributes #0 = { mustprogress nofree nosync nounwind 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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