; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 03. Recursion (reverse_stack)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIxSt5dequeIxSaIxEEE5emptyEv(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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIxSt5dequeIxSaIxEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 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
declare dso_local void @_Z7reverseRSt5stackIxSt5dequeIxSaIxEEE(ptr noundef nonnull align 8 dereferenceable(80)) #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::stack", align 8
  %3 = alloca i64, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 80, ptr %2) #7
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #7
  store i64 1, ptr %3, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %9 unwind label %27

9:                                                ; preds = %0
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  store i64 2, ptr %6, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %10 unwind label %31

10:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  store i64 3, ptr %7, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %11 unwind label %35

11:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #7
  store i64 4, ptr %8, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %12 unwind label %39

12:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  invoke void @_Z7reverseRSt5stackIxSt5dequeIxSaIxEEE(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %13 unwind label %43

13:                                               ; preds = %12
  br label %14

14:                                               ; preds = %26, %13
  %15 = invoke noundef zeroext i1 @_ZNKSt5stackIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %16 unwind label %43

16:                                               ; preds = %14
  %17 = xor i1 %15, true
  br i1 %17, label %18, label %47

18:                                               ; preds = %16
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIxSt5dequeIxSaIxEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %20 unwind label %43

20:                                               ; preds = %18
  %21 = load i64, ptr %19, align 8, !tbaa !5
  %22 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %21)
          to label %23 unwind label %43

23:                                               ; preds = %20
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef @.str)
          to label %25 unwind label %43

25:                                               ; preds = %23
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %26 unwind label %43

26:                                               ; preds = %25
  br label %14, !llvm.loop !9

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %4, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #7
  br label %58

31:                                               ; preds = %9
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %4, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %58

35:                                               ; preds = %10
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %4, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %58

39:                                               ; preds = %11
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %4, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #7
  br label %58

43:                                               ; preds = %54, %49, %47, %25, %23, %20, %18, %14, %12
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %4, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %5, align 4
  br label %58

47:                                               ; preds = %16
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.1)
          to label %49 unwind label %43

49:                                               ; preds = %47
  %50 = call i64 @clock() #7
  %51 = sitofp i64 %50 to double
  %52 = fdiv double %51, 1.000000e+06
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %48, double noundef %52)
          to label %54 unwind label %43

54:                                               ; preds = %49
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef @.str.2)
          to label %56 unwind label %43

56:                                               ; preds = %54
  store i32 0, ptr %1, align 4
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #7
  %57 = load i32, ptr %1, align 4
  ret i32 %57

58:                                               ; preds = %43, %39, %35, %31, %27
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #7
  br label %59

59:                                               ; preds = %58
  %60 = load ptr, ptr %4, align 8
  %61 = load i32, ptr %5, align 4
  %62 = insertvalue { ptr, i32 } poison, ptr %60, 0
  %63 = insertvalue { ptr, i32 } %62, i32 %61, 1
  resume { ptr, i32 } %63
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) #2 align 2

; Function Attrs: nounwind
declare i64 @clock() #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 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 = { mustprogress norecurse 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 = { inlinehint 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 #5 = { 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 #6 = { 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 #7 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long long, std::allocator<long long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIxSt5dequeIxSaIxEEE5emptyEv(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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIxSt5dequeIxSaIxEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEE3popEv(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.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7reverseRSt5stackIxSt5dequeIxSaIxEEE(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::stack", align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #7
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  store i64 1, ptr %2, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
          to label %6 unwind label %18

6:                                                ; preds = %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  store i64 2, ptr %3, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %7 unwind label %20

7:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  store i64 3, ptr %4, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %8 unwind label %22

8:                                                ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  store i64 4, ptr %5, align 8, !tbaa !5
  invoke void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %9 unwind label %24

9:                                                ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  invoke void @_Z7reverseRSt5stackIxSt5dequeIxSaIxEEE(ptr noundef nonnull align 8 dereferenceable(80) %1)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %9
  %10 = call noundef zeroext i1 @_ZNKSt5stackIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %16
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIxSt5dequeIxSaIxEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %12 = load i64, ptr %11, align 8, !tbaa !5
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %12)
          to label %14 unwind label %.loopexit

14:                                               ; preds = %.lr.ph
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull @.str)
          to label %16 unwind label %.loopexit

16:                                               ; preds = %14
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %17 = call noundef zeroext i1 @_ZNKSt5stackIxSt5dequeIxSaIxEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %17, label %._crit_edge, label %.lr.ph, !llvm.loop !9

18:                                               ; preds = %0
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  br label %35

20:                                               ; preds = %6
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %35

22:                                               ; preds = %7
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br label %35

24:                                               ; preds = %8
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %35

.loopexit:                                        ; preds = %.lr.ph, %14
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %35

.loopexit.split-lp:                               ; preds = %9, %._crit_edge, %27, %32
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %35

._crit_edge:                                      ; preds = %16, %.preheader
  %26 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.1)
          to label %27 unwind label %.loopexit.split-lp

27:                                               ; preds = %._crit_edge
  %28 = call i64 @clock() #7
  %29 = sitofp i64 %28 to double
  %30 = fdiv double %29, 1.000000e+06
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %26, double noundef %30)
          to label %32 unwind label %.loopexit.split-lp

32:                                               ; preds = %27
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @.str.2)
          to label %34 unwind label %.loopexit.split-lp

34:                                               ; preds = %32
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #7
  ret i32 0

35:                                               ; preds = %.loopexit, %.loopexit.split-lp, %24, %22, %20, %18
  %.pn = phi { ptr, i32 } [ %25, %24 ], [ %23, %22 ], [ %21, %20 ], [ %19, %18 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEE4pushEOx(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double noundef) local_unnamed_addr #2 align 2

; Function Attrs: nounwind
declare i64 @clock() local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIxSt5dequeIxSaIxEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 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 = { mustprogress norecurse 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 = { inlinehint 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 #5 = { 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 #6 = { 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 #7 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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