; LLVM IR from Saikat2407/DSA_Hacktoberfest2023 :: c++/STACKS&QUEUE/S4.ll (Z20next_Greater_To_LeftiPiRSt6vectorIiSaIiEE)

; 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 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; 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
define dso_local void @_Z20next_Greater_To_LeftiPiRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::stack", align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 80, ptr %7) #4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %110, %3
  %14 = load i32, ptr %8, align 4, !tbaa !5
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %114

18:                                               ; preds = %13
  %19 = invoke noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %20 unwind label %25

20:                                               ; preds = %18
  %21 = icmp eq i64 %19, 0
  br i1 %21, label %22, label %33

22:                                               ; preds = %20
  %23 = load ptr, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 -1, ptr %11, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %23, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %24 unwind label %29

24:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %104

25:                                               ; preds = %104, %99, %96, %85, %83, %71, %67, %56, %52, %50, %47, %37, %33, %18
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %9, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %10, align 4
  br label %113

29:                                               ; preds = %22
  %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 @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %113

33:                                               ; preds = %20
  %34 = invoke noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %35 unwind label %25

35:                                               ; preds = %33
  %36 = icmp ugt i64 %34, 0
  br i1 %36, label %37, label %52

37:                                               ; preds = %35
  %38 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %39 unwind label %25

39:                                               ; preds = %37
  %40 = load i32, ptr %38, align 4, !tbaa !5
  %41 = load ptr, ptr %5, align 8, !tbaa !9
  %42 = load i32, ptr %8, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds i32, ptr %41, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = icmp sgt i32 %40, %45
  br i1 %46, label %47, label %52

47:                                               ; preds = %39
  %48 = load ptr, ptr %6, align 8, !tbaa !9
  %49 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %50 unwind label %25

50:                                               ; preds = %47
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %48, ptr noundef nonnull align 4 dereferenceable(4) %49)
          to label %51 unwind label %25

51:                                               ; preds = %50
  br label %103

52:                                               ; preds = %39, %35
  %53 = invoke noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %54 unwind label %25

54:                                               ; preds = %52
  %55 = icmp ugt i64 %53, 0
  br i1 %55, label %56, label %102

56:                                               ; preds = %54
  %57 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %58 unwind label %25

58:                                               ; preds = %56
  %59 = load i32, ptr %57, align 4, !tbaa !5
  %60 = load ptr, ptr %5, align 8, !tbaa !9
  %61 = load i32, ptr %8, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %60, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = icmp sle i32 %59, %64
  br i1 %65, label %66, label %102

66:                                               ; preds = %58
  br label %67

67:                                               ; preds = %84, %66
  %68 = invoke noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %69 unwind label %25

69:                                               ; preds = %67
  %70 = icmp ugt i64 %68, 0
  br i1 %70, label %71, label %81

71:                                               ; preds = %69
  %72 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %73 unwind label %25

73:                                               ; preds = %71
  %74 = load i32, ptr %72, align 4, !tbaa !5
  %75 = load ptr, ptr %5, align 8, !tbaa !9
  %76 = load i32, ptr %8, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = getelementptr inbounds i32, ptr %75, i64 %77
  %79 = load i32, ptr %78, align 4, !tbaa !5
  %80 = icmp sle i32 %74, %79
  br label %81

81:                                               ; preds = %73, %69
  %82 = phi i1 [ false, %69 ], [ %80, %73 ]
  br i1 %82, label %83, label %85

83:                                               ; preds = %81
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %84 unwind label %25

84:                                               ; preds = %83
  br label %67, !llvm.loop !11

85:                                               ; preds = %81
  %86 = invoke noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %87 unwind label %25

87:                                               ; preds = %85
  %88 = icmp eq i64 %86, 0
  br i1 %88, label %89, label %96

89:                                               ; preds = %87
  %90 = load ptr, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 -1, ptr %12, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %90, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %91 unwind label %92

91:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %101

92:                                               ; preds = %89
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %9, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %113

96:                                               ; preds = %87
  %97 = load ptr, ptr %6, align 8, !tbaa !9
  %98 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %7)
          to label %99 unwind label %25

99:                                               ; preds = %96
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %97, ptr noundef nonnull align 4 dereferenceable(4) %98)
          to label %100 unwind label %25

100:                                              ; preds = %99
  br label %101

101:                                              ; preds = %100, %91
  br label %102

102:                                              ; preds = %101, %58, %54
  br label %103

103:                                              ; preds = %102, %51
  br label %104

104:                                              ; preds = %103, %24
  %105 = load ptr, ptr %5, align 8, !tbaa !9
  %106 = load i32, ptr %8, align 4, !tbaa !5
  %107 = sext i32 %106 to i64
  %108 = getelementptr inbounds i32, ptr %105, i64 %107
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %7, ptr noundef nonnull align 4 dereferenceable(4) %108)
          to label %109 unwind label %25

109:                                              ; preds = %104
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %8, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %8, align 4, !tbaa !5
  br label %13, !llvm.loop !13

113:                                              ; preds = %92, %29, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #4
  br label %115

114:                                              ; preds = %17
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %7) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %7) #4
  ret void

115:                                              ; preds = %113
  %116 = load ptr, ptr %9, align 8
  %117 = load i32, ptr %10, align 4
  %118 = insertvalue { ptr, i32 } poison, ptr %116, 0
  %119 = insertvalue { ptr, i32 } %118, i32 %117, 1
  resume { ptr, i32 } %119
}

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 = { 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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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 #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

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

; 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 #1 align 2

; 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
define dso_local void @_Z20next_Greater_To_LeftiPiRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::stack", align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %4) #4
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %7 = icmp sgt i32 %0, 0
  br i1 %7, label %.lr.ph26.preheader, label %._crit_edge

.lr.ph26.preheader:                               ; preds = %3
  %wide.trip.count = zext nneg i32 %0 to i64
  br label %.lr.ph26

._crit_edge:                                      ; preds = %46, %3
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  ret void

.lr.ph26:                                         ; preds = %.lr.ph26.preheader, %46
  %indvars.iv = phi i64 [ 0, %.lr.ph26.preheader ], [ %indvars.iv.next, %46 ]
  %8 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %10, label %16

10:                                               ; preds = %.lr.ph26
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 -1, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %11 unwind label %14

11:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %44

12:                                               ; preds = %.invoke, %44
  %13 = landingpad { ptr, i32 }
          cleanup
  br label %47

14:                                               ; preds = %10
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  br label %47

16:                                               ; preds = %.lr.ph26
  %17 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %.not = icmp eq i64 %17, 0
  br i1 %.not, label %24, label %18

18:                                               ; preds = %16
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = getelementptr inbounds i32, ptr %1, i64 %indvars.iv
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = icmp sgt i32 %20, %22
  br i1 %23, label %.invoke, label %24

24:                                               ; preds = %18, %16
  %25 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %.not18 = icmp eq i64 %25, 0
  br i1 %.not18, label %44, label %26

26:                                               ; preds = %24
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %1, i64 %indvars.iv
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %.not19 = icmp sgt i32 %28, %30
  br i1 %.not19, label %44, label %.preheader

.preheader:                                       ; preds = %26
  %31 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %.not2023 = icmp eq i64 %31, 0
  br i1 %.not2023, label %.critedge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %35
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = load i32, ptr %29, align 4, !tbaa !5
  %.not21 = icmp sgt i32 %33, %34
  br i1 %.not21, label %.critedge, label %35

35:                                               ; preds = %.lr.ph
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %36 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %.not20 = icmp eq i64 %36, 0
  br i1 %.not20, label %.critedge, label %.lr.ph, !llvm.loop !9

.critedge:                                        ; preds = %.lr.ph, %35, %.preheader
  %37 = call noundef i64 @_ZNKSt5stackIiSt5dequeIiSaIiEEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  %38 = icmp eq i64 %37, 0
  br i1 %38, label %39, label %.invoke

39:                                               ; preds = %.critedge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 -1, ptr %6, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %40 unwind label %41

40:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  br label %44

41:                                               ; preds = %39
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  br label %47

.invoke:                                          ; preds = %.critedge, %18
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5stackIiSt5dequeIiSaIiEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %4)
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %44 unwind label %12

44:                                               ; preds = %.invoke, %40, %26, %24, %11
  %45 = getelementptr inbounds i32, ptr %1, i64 %indvars.iv
  invoke void @_ZNSt5stackIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %4, ptr noundef nonnull align 4 dereferenceable(4) %45)
          to label %46 unwind label %12

46:                                               ; preds = %44
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph26, !llvm.loop !11

47:                                               ; preds = %41, %14, %12
  %.pn = phi { ptr, i32 } [ %13, %12 ], [ %15, %14 ], [ %42, %41 ]
  call void @_ZNSt5stackIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %4) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %4) #4
  resume { ptr, i32 } %.pn
}

attributes #0 = { mustprogress 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 = { 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 = { 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}


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