; LLVM IR from xirc/cp-algorithm :: atcoder/abc064/D/main.ll (Z5solveB5cxx11v)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveB5cxx11v(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::deque", align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i8, align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i8, align 1
  %12 = alloca i8, align 1
  %13 = alloca %"struct.std::_Deque_iterator", align 8
  %14 = alloca %"struct.std::_Deque_iterator", align 8
  %15 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr %3) #4
  call void @_ZNSt5dequeIcSaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store ptr @_Z1SB5cxx11, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %16 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11) #4
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %18 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11) #4
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %57, %1
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %21, label %23, label %22

22:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %60

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #4
  %24 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %25 = load i8, ptr %24, align 1, !tbaa !11
  store i8 %25, ptr %8, align 1, !tbaa !11
  %26 = load i8, ptr %8, align 1, !tbaa !11
  %27 = sext i8 %26 to i32
  %28 = icmp eq i32 %27, 40
  br i1 %28, label %29, label %37

29:                                               ; preds = %23
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %30 unwind label %33

30:                                               ; preds = %29
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %4, align 4, !tbaa !5
  br label %56

33:                                               ; preds = %41, %29
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %9, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %10, align 4
  br label %59

37:                                               ; preds = %23
  %38 = load i8, ptr %8, align 1, !tbaa !11
  %39 = sext i8 %38 to i32
  %40 = icmp eq i32 %39, 41
  br i1 %40, label %41, label %55

41:                                               ; preds = %37
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %42 unwind label %33

42:                                               ; preds = %41
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = icmp sgt i32 %43, 0
  br i1 %44, label %45, label %48

45:                                               ; preds = %42
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %4, align 4, !tbaa !5
  br label %54

48:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  store i8 40, ptr %11, align 1, !tbaa !11
  invoke void @_ZNSt5dequeIcSaIcEE10push_frontEOc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %49 unwind label %50

49:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %54

50:                                               ; preds = %48
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %9, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %59

54:                                               ; preds = %49, %45
  br label %55

55:                                               ; preds = %54, %37
  br label %56

56:                                               ; preds = %55, %30
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  br label %57

57:                                               ; preds = %56
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br label %20

59:                                               ; preds = %50, %33
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %78

60:                                               ; preds = %22
  br label %61

61:                                               ; preds = %65, %60
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = icmp sgt i32 %62, 0
  br i1 %63, label %64, label %72

64:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #4
  store i8 41, ptr %12, align 1, !tbaa !11
  invoke void @_ZNSt5dequeIcSaIcEE9push_backEOc(ptr noundef nonnull align 8 dereferenceable(80) %3, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %65 unwind label %68

65:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  %66 = load i32, ptr %4, align 4, !tbaa !5
  %67 = add nsw i32 %66, -1
  store i32 %67, ptr %4, align 4, !tbaa !5
  br label %61, !llvm.loop !12

68:                                               ; preds = %64
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %9, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  br label %78

72:                                               ; preds = %61
  call void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %13, ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind writable sret(%"struct.std::_Deque_iterator") align 8 %14, ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %13, ptr noundef %14, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %73 unwind label %74

73:                                               ; preds = %72
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #4
  ret void

74:                                               ; preds = %72
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %9, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  br label %78

78:                                               ; preds = %74, %68, %59
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %3) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %3) #4
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %9, align 8
  %81 = load i32, ptr %10, align 4
  %82 = insertvalue { ptr, i32 } poison, ptr %80, 0
  %83 = insertvalue { ptr, i32 } %82, i32 %81, 1
  resume { ptr, i32 } %83
}

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE10push_frontEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@_Z1SB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveB5cxx11v(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::deque", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca i8, align 1
  %6 = alloca i8, align 1
  %7 = alloca i8, align 1
  %8 = alloca %"struct.std::_Deque_iterator", align 8
  %9 = alloca %"struct.std::_Deque_iterator", align 8
  %10 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %2) #4
  call void @_ZNSt5dequeIcSaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %11 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11) #4
  store ptr %11, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %12 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) @_Z1SB5cxx11) #4
  store ptr %12, ptr %4, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %13, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %._crit_edge19

._crit_edge:                                      ; preds = %31
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %14 = icmp sgt i32 %.19, 0
  br i1 %14, label %.lr.ph18, label %._crit_edge19

.lr.ph:                                           ; preds = %1, %31
  %.0815 = phi i32 [ %.19, %31 ], [ 0, %1 ]
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %16 = load i8, ptr %15, align 1, !tbaa !5
  store i8 %16, ptr %5, align 1, !tbaa !5
  switch i8 %16, label %31 [
    i8 40, label %17
    i8 41, label %22
  ]

17:                                               ; preds = %.lr.ph
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %18 unwind label %20

18:                                               ; preds = %17
  %19 = add nsw i32 %.0815, 1
  br label %31

20:                                               ; preds = %22, %17
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %34

22:                                               ; preds = %.lr.ph
  invoke void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %23 unwind label %20

23:                                               ; preds = %22
  %24 = icmp sgt i32 %.0815, 0
  br i1 %24, label %25, label %27

25:                                               ; preds = %23
  %26 = add nsw i32 %.0815, -1
  br label %31

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  store i8 40, ptr %6, align 1, !tbaa !5
  invoke void @_ZNSt5dequeIcSaIcEE10push_frontEOc(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %28 unwind label %29

28:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  br label %31

29:                                               ; preds = %27
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  br label %34

31:                                               ; preds = %.lr.ph, %28, %25, %18
  %.19 = phi i32 [ %19, %18 ], [ %26, %25 ], [ %.0815, %28 ], [ %.0815, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %33 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %33, label %.lr.ph, label %._crit_edge

34:                                               ; preds = %29, %20
  %.pn = phi { ptr, i32 } [ %21, %20 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  br label %43

.lr.ph18:                                         ; preds = %._crit_edge, %35
  %.216 = phi i32 [ %36, %35 ], [ %.19, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  store i8 41, ptr %7, align 1, !tbaa !5
  invoke void @_ZNSt5dequeIcSaIcEE9push_backEOc(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %35 unwind label %38

35:                                               ; preds = %.lr.ph18
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  %36 = add nsw i32 %.216, -1
  %37 = icmp sgt i32 %.216, 1
  br i1 %37, label %.lr.ph18, label %._crit_edge19, !llvm.loop !8

38:                                               ; preds = %.lr.ph18
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  br label %43

._crit_edge19:                                    ; preds = %35, %._crit_edge.thread, %._crit_edge
  call void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %8, ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind nonnull writable sret(%"struct.std::_Deque_iterator") align 8 %9, ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull %8, ptr noundef nonnull %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %40 unwind label %41

40:                                               ; preds = %._crit_edge19
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #4
  ret void

41:                                               ; preds = %._crit_edge19
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  br label %43

43:                                               ; preds = %41, %38, %34
  %.pn.pn = phi { ptr, i32 } [ %.pn, %34 ], [ %39, %38 ], [ %42, %41 ]
  call void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn.pn
}

; 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 uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE10push_frontEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE9push_backEOc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE5beginEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEE3endEv(ptr dead_on_unwind noalias writable sret(%"struct.std::_Deque_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ISt15_Deque_iteratorIcRcPcEvEET_SA_RKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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