; LLVM IR from Leet-Us-Code/DSA-A-Z-Practice :: Sid's Levels/Level - 1/BinaryTree/MinAndMaxOfBT.ll (Z6insertP4nodeiic)

; 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, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6insertP4nodeiic(ptr noundef %0, i32 noundef %1, i32 noundef %2, i8 noundef signext %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i8 %3, ptr %8, align 1, !tbaa !11
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %4
  br label %57

14:                                               ; preds = %4
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.node, ptr %15, i32 0, i32 0
  %17 = load i32, ptr %16, align 8, !tbaa !12
  %18 = load i32, ptr %6, align 4, !tbaa !9
  %19 = icmp eq i32 %17, %18
  br i1 %19, label %20, label %44

20:                                               ; preds = %14
  %21 = load i8, ptr %8, align 1, !tbaa !11
  %22 = sext i8 %21 to i32
  switch i32 %22, label %43 [
    i32 76, label %23
    i32 82, label %33
  ]

23:                                               ; preds = %20
  %24 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #4
  %25 = load i32, ptr %7, align 4, !tbaa !9
  invoke void @_ZN4nodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %24, i32 noundef %25)
          to label %26 unwind label %29

26:                                               ; preds = %23
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.node, ptr %27, i32 0, i32 1
  store ptr %24, ptr %28, align 8, !tbaa !14
  br label %43

29:                                               ; preds = %23
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %9, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %10, align 4
  call void @_ZdlPvm(ptr noundef %24, i64 noundef 24) #5
  br label %58

33:                                               ; preds = %20
  %34 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 24) #4
  %35 = load i32, ptr %7, align 4, !tbaa !9
  invoke void @_ZN4nodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %34, i32 noundef %35)
          to label %36 unwind label %39

36:                                               ; preds = %33
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.node, ptr %37, i32 0, i32 2
  store ptr %34, ptr %38, align 8, !tbaa !15
  br label %43

39:                                               ; preds = %33
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %9, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %10, align 4
  call void @_ZdlPvm(ptr noundef %34, i64 noundef 24) #5
  br label %58

43:                                               ; preds = %36, %26, %20
  br label %57

44:                                               ; preds = %14
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.node, ptr %45, i32 0, i32 1
  %47 = load ptr, ptr %46, align 8, !tbaa !14
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = load i8, ptr %8, align 1, !tbaa !11
  call void @_Z6insertP4nodeiic(ptr noundef %47, i32 noundef %48, i32 noundef %49, i8 noundef signext %50)
  %51 = load ptr, ptr %5, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct.node, ptr %51, i32 0, i32 2
  %53 = load ptr, ptr %52, align 8, !tbaa !15
  %54 = load i32, ptr %6, align 4, !tbaa !9
  %55 = load i32, ptr %7, align 4, !tbaa !9
  %56 = load i8, ptr %8, align 1, !tbaa !11
  call void @_Z6insertP4nodeiic(ptr noundef %53, i32 noundef %54, i32 noundef %55, i8 noundef signext %56)
  br label %57

57:                                               ; preds = %44, %43, %13
  ret void

58:                                               ; preds = %39, %29
  %59 = load ptr, ptr %9, align 8
  %60 = load i32, ptr %10, align 4
  %61 = insertvalue { ptr, i32 } poison, ptr %59, 0
  %62 = insertvalue { ptr, i32 } %61, i32 %60, 1
  resume { ptr, i32 } %62
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4nodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

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 = { nobuiltin allocsize(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 = { 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 = { nobuiltin nounwind "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 #4 = { builtin allocsize(0) }
attributes #5 = { builtin 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 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !10, i64 0}
!13 = !{!"_ZTS4node", !10, i64 0, !6, i64 8, !6, i64 16}
!14 = !{!13, !6, i64 8}
!15 = !{!13, !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
define dso_local void @_Z6insertP4nodeiic(ptr noundef %0, i32 noundef %1, i32 noundef %2, i8 noundef signext %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %5 = icmp eq ptr %0, null
  br i1 %5, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %4, %tailrecurse
  %.tr20 = phi ptr [ %13, %tailrecurse ], [ %0, %4 ]
  %6 = load i32, ptr %.tr20, align 8, !tbaa !5
  %7 = icmp eq i32 %6, %1
  br i1 %7, label %8, label %tailrecurse

8:                                                ; preds = %.lr.ph
  switch i8 %3, label %.loopexit [
    i8 76, label %.loopexit.sink.split
    i8 82, label %9
  ]

9:                                                ; preds = %8
  br label %.loopexit.sink.split

tailrecurse:                                      ; preds = %.lr.ph
  %10 = getelementptr inbounds i8, ptr %.tr20, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  tail call void @_Z6insertP4nodeiic(ptr noundef %11, i32 noundef %1, i32 noundef %2, i8 noundef signext %3)
  %12 = getelementptr inbounds i8, ptr %.tr20, i64 16
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %14 = icmp eq ptr %13, null
  br i1 %14, label %.loopexit, label %.lr.ph

.loopexit.sink.split:                             ; preds = %8, %9
  %.sink24 = phi i64 [ 16, %9 ], [ 8, %8 ]
  %15 = tail call noalias noundef nonnull dereferenceable(24) ptr @_Znwm(i64 noundef 24) #3
  tail call void @_ZN4nodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24) %15, i32 noundef %2)
  %16 = getelementptr inbounds i8, ptr %.tr20, i64 %.sink24
  store ptr %15, ptr %16, align 8, !tbaa !13
  br label %.loopexit

.loopexit:                                        ; preds = %tailrecurse, %.loopexit.sink.split, %4, %8
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN4nodeC2Ei(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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 = { nobuiltin allocsize(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 = { 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 = { builtin allocsize(0) }

!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 = !{!"int", !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}
!13 = !{!10, !10, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass