; LLVM IR from sumitsojha88/Placement-Preparation :: Geeks For Geeks Solutions/Stack/Sort a stack .ll (ZN11SortedStack4sortEv)

; 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"

%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%class.SortedStack = type { %"class.std::stack" }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11SortedStack4sortEv(ptr noundef nonnull align 8 dereferenceable(80) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::stack", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr %4) #4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  br label %9

9:                                                ; preds = %63, %1
  %10 = getelementptr inbounds %class.SortedStack, ptr %8, i32 0, i32 0
  %11 = invoke noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %10)
          to label %12 unwind label %25

12:                                               ; preds = %9
  %13 = xor i1 %11, true
  br i1 %13, label %14, label %64

14:                                               ; preds = %12
  %15 = getelementptr inbounds %class.SortedStack, ptr %8, i32 0, i32 0
  %16 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %15)
          to label %17 unwind label %25

17:                                               ; preds = %14
  %18 = load i32, ptr %16, align 4, !tbaa !9
  store i32 %18, ptr %3, align 4, !tbaa !9
  %19 = getelementptr inbounds %class.SortedStack, ptr %8, i32 0, i32 0
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %19)
          to label %20 unwind label %25

20:                                               ; preds = %17
  %21 = invoke noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %22 unwind label %25

22:                                               ; preds = %20
  br i1 %21, label %23, label %29

23:                                               ; preds = %22
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %24 unwind label %25

24:                                               ; preds = %23
  br label %63

25:                                               ; preds = %73, %72, %69, %65, %35, %29, %23, %20, %17, %14, %9
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %5, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %6, align 4
  br label %76

29:                                               ; preds = %22
  %30 = load i32, ptr %3, align 4, !tbaa !9
  %31 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %32 unwind label %25

32:                                               ; preds = %29
  %33 = load i32, ptr %31, align 4, !tbaa !9
  %34 = icmp slt i32 %30, %33
  br i1 %34, label %35, label %37

35:                                               ; preds = %32
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %36 unwind label %25

36:                                               ; preds = %35
  br label %62

37:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  br label %38

38:                                               ; preds = %55, %37
  %39 = invoke noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %40 unwind label %56

40:                                               ; preds = %38
  br i1 %39, label %47, label %41

41:                                               ; preds = %40
  %42 = load i32, ptr %3, align 4, !tbaa !9
  %43 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %44 unwind label %56

44:                                               ; preds = %41
  %45 = load i32, ptr %43, align 4, !tbaa !9
  %46 = icmp sgt i32 %42, %45
  br label %47

47:                                               ; preds = %44, %40
  %48 = phi i1 [ false, %40 ], [ %46, %44 ]
  br i1 %48, label %49, label %60

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %51 unwind label %56

51:                                               ; preds = %49
  %52 = load i32, ptr %50, align 4, !tbaa !9
  store i32 %52, ptr %7, align 4, !tbaa !9
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %53 unwind label %56

53:                                               ; preds = %51
  %54 = getelementptr inbounds %class.SortedStack, ptr %8, i32 0, i32 0
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %54, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %55 unwind label %56

55:                                               ; preds = %53
  br label %38, !llvm.loop !11

56:                                               ; preds = %60, %53, %51, %49, %41, %38
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %5, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %76

60:                                               ; preds = %47
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %61 unwind label %56

61:                                               ; preds = %60
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %62

62:                                               ; preds = %61, %36
  br label %63

63:                                               ; preds = %62, %24
  br label %9, !llvm.loop !13

64:                                               ; preds = %12
  br label %65

65:                                               ; preds = %74, %64
  %66 = invoke noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %67 unwind label %25

67:                                               ; preds = %65
  %68 = xor i1 %66, true
  br i1 %68, label %69, label %75

69:                                               ; preds = %67
  %70 = getelementptr inbounds %class.SortedStack, ptr %8, i32 0, i32 0
  %71 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %72 unwind label %25

72:                                               ; preds = %69
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %70, ptr noundef nonnull align 4 dereferenceable(4) %71)
          to label %73 unwind label %25

73:                                               ; preds = %72
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
          to label %74 unwind label %25

74:                                               ; preds = %73
  br label %65, !llvm.loop !14

75:                                               ; preds = %67
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret void

76:                                               ; preds = %56, %25
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %77

77:                                               ; preds = %76
  %78 = load ptr, ptr %5, align 8
  %79 = load i32, ptr %6, align 4
  %80 = insertvalue { ptr, i32 } poison, ptr %78, 0
  %81 = insertvalue { ptr, i32 } %80, i32 %79, 1
  resume { ptr, i32 } %81
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 #4 = { 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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; 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"

%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11SortedStack4sortEv(ptr noundef nonnull align 8 dereferenceable(80) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::stack", align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %3) #4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %5 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  br i1 %5, label %.preheader, label %.lr.ph

.preheader:                                       ; preds = %28, %1
  %6 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %6, label %._crit_edge, label %.lr.ph9

.lr.ph:                                           ; preds = %1, %28
  %7 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  %8 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %8, ptr %2, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  %9 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %9, label %.invoke, label %10

.invoke:                                          ; preds = %.lr.ph, %10
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %28 unwind label %.loopexit.split-lp

.loopexit:                                        ; preds = %.lr.ph9
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %33

.loopexit.split-lp:                               ; preds = %.invoke
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %33

10:                                               ; preds = %.lr.ph
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = icmp slt i32 %11, %13
  br i1 %14, label %.invoke, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  br label %16

16:                                               ; preds = %23, %15
  %17 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %17, label %.critedge, label %18

18:                                               ; preds = %16
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = icmp sgt i32 %19, %21
  br i1 %22, label %23, label %.critedge

23:                                               ; preds = %18
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %25 = load i32, ptr %24, align 4, !tbaa !5
  store i32 %25, ptr %4, align 4, !tbaa !5
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %16 unwind label %.loopexit4, !llvm.loop !9

.loopexit4:                                       ; preds = %23
  %lpad.loopexit6 = landingpad { ptr, i32 }
          cleanup
  br label %26

.loopexit.split-lp5:                              ; preds = %.critedge
  %lpad.loopexit.split-lp7 = landingpad { ptr, i32 }
          cleanup
  br label %26

26:                                               ; preds = %.loopexit.split-lp5, %.loopexit4
  %lpad.phi8 = phi { ptr, i32 } [ %lpad.loopexit6, %.loopexit4 ], [ %lpad.loopexit.split-lp7, %.loopexit.split-lp5 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %33

.critedge:                                        ; preds = %16, %18
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %27 unwind label %.loopexit.split-lp5

27:                                               ; preds = %.critedge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %28

28:                                               ; preds = %.invoke, %27
  %29 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %0)
  br i1 %29, label %.preheader, label %.lr.ph, !llvm.loop !11

.lr.ph9:                                          ; preds = %.preheader, %31
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef nonnull align 4 dereferenceable(4) %30)
          to label %31 unwind label %.loopexit

31:                                               ; preds = %.lr.ph9
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  %32 = call noundef zeroext i1 @_ZNKSt5stackIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %3)
  br i1 %32, label %._crit_edge, label %.lr.ph9, !llvm.loop !12

._crit_edge:                                      ; preds = %31, %.preheader
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  ret void

33:                                               ; preds = %.loopexit, %.loopexit.split-lp, %26
  %.pn = phi { ptr, i32 } [ %lpad.phi8, %26 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 #4 = { 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass