; LLVM IR from ahampriyanshu/algo-ds-101 :: Algorithms/Graph/Level order traversal.ll (Z5inserP4nodei)

; 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 { i64, ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z7newnodex(i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z5inserP4nodei(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %11

7:                                                ; preds = %2
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = sext i32 %8 to i64
  %10 = call noundef ptr @_Z7newnodex(i64 noundef %9)
  store ptr %10, ptr %3, align 8, !tbaa !5
  br label %35

11:                                               ; preds = %2
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.node, ptr %14, i32 0, i32 0
  %16 = load i64, ptr %15, align 8, !tbaa !11
  %17 = icmp sle i64 %13, %16
  br i1 %17, label %18, label %26

18:                                               ; preds = %11
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.node, ptr %19, i32 0, i32 1
  %21 = load ptr, ptr %20, align 8, !tbaa !14
  %22 = load i32, ptr %4, align 4, !tbaa !9
  %23 = call noundef ptr @_Z5inserP4nodei(ptr noundef %21, i32 noundef %22)
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.node, ptr %24, i32 0, i32 1
  store ptr %23, ptr %25, align 8, !tbaa !14
  br label %34

26:                                               ; preds = %11
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.node, ptr %27, i32 0, i32 2
  %29 = load ptr, ptr %28, align 8, !tbaa !15
  %30 = load i32, ptr %4, align 4, !tbaa !9
  %31 = call noundef ptr @_Z5inserP4nodei(ptr noundef %29, i32 noundef %30)
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.node, ptr %32, i32 0, i32 2
  store ptr %31, ptr %33, align 8, !tbaa !15
  br label %34

34:                                               ; preds = %26, %18
  br label %35

35:                                               ; preds = %34, %7
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  ret ptr %36
}

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" }

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS4node", !13, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!"long long", !7, i64 0}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}


; 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 uwtable
declare dso_local noundef ptr @_Z7newnodex(i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z5inserP4nodei(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  %4 = sext i32 %1 to i64
  br i1 %3, label %common.ret, label %6

common.ret:                                       ; preds = %2
  %5 = tail call noundef ptr @_Z7newnodex(i64 noundef %4)
  br label %common.ret11

6:                                                ; preds = %2
  %7 = load i64, ptr %0, align 8, !tbaa !5
  %.not = icmp slt i64 %7, %4
  br i1 %.not, label %12, label %8

common.ret11:                                     ; preds = %12, %8, %common.ret
  %common.ret11.op = phi ptr [ %5, %common.ret ], [ %0, %8 ], [ %0, %12 ]
  ret ptr %common.ret11.op

8:                                                ; preds = %6
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  %11 = tail call noundef ptr @_Z5inserP4nodei(ptr noundef %10, i32 noundef %1)
  store ptr %11, ptr %9, align 8, !tbaa !11
  br label %common.ret11

12:                                               ; preds = %6
  %13 = getelementptr inbounds i8, ptr %0, i64 16
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  %15 = tail call noundef ptr @_Z5inserP4nodei(ptr noundef %14, i32 noundef %1)
  store ptr %15, ptr %13, align 8, !tbaa !12
  br label %common.ret11
}

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" }

!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, !10, i64 8, !10, i64 16}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 16}


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