; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Codeforces Round #808 (Div. 2)/C.ll (Z5solvev)

; 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_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::allocator" = type { i8 }
%class.anon = type { ptr, i64, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %class.anon, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %20 = load i64, ptr %1, align 8, !tbaa !5
  %21 = call ptr @llvm.stacksave.p0()
  store ptr %21, ptr %3, align 8
  %22 = alloca i64, i64 %20, align 16
  store i64 %20, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store ptr %22, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %23 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %23, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %24 = load ptr, ptr %5, align 8, !tbaa !9
  %25 = mul nuw i64 8, %20
  %26 = udiv i64 %25, 8
  %27 = getelementptr inbounds i64, ptr %24, i64 %26
  store ptr %27, ptr %7, align 8, !tbaa !9
  br label %28

28:                                               ; preds = %37, %0
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = load ptr, ptr %7, align 8, !tbaa !9
  %31 = icmp ne ptr %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %40

33:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %34, ptr %8, align 8, !tbaa !9
  %35 = load ptr, ptr %8, align 8, !tbaa !9
  %36 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %35)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %37

37:                                               ; preds = %33
  %38 = load ptr, ptr %6, align 8, !tbaa !9
  %39 = getelementptr inbounds i64, ptr %38, i32 1
  store ptr %39, ptr %6, align 8, !tbaa !9
  br label %28

40:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #5
  %41 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef %41, i8 noundef signext 48, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %42 unwind label %68

42:                                               ; preds = %40
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr %13) #5
  %43 = getelementptr inbounds %class.anon, ptr %13, i32 0, i32 0
  store ptr %2, ptr %43, align 8, !tbaa !9
  %44 = getelementptr inbounds %class.anon, ptr %13, i32 0, i32 1
  store i64 %20, ptr %44, align 8, !tbaa !11
  %45 = getelementptr inbounds %class.anon, ptr %13, i32 0, i32 2
  store ptr %22, ptr %45, align 8, !tbaa !9
  %46 = getelementptr inbounds %class.anon, ptr %13, i32 0, i32 3
  store ptr %9, ptr %46, align 8, !tbaa !9
  %47 = getelementptr inbounds %class.anon, ptr %13, i32 0, i32 4
  store ptr %1, ptr %47, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %48 = load i64, ptr %1, align 8, !tbaa !5
  %49 = sub nsw i64 %48, 1
  store i64 %49, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %50 = load i64, ptr %1, align 8, !tbaa !5
  %51 = sub nsw i64 %50, 1
  store i64 %51, ptr %16, align 8, !tbaa !5
  br label %52

52:                                               ; preds = %79, %42
  %53 = load i64, ptr %14, align 8, !tbaa !5
  %54 = load i64, ptr %15, align 8, !tbaa !5
  %55 = icmp sle i64 %53, %54
  br i1 %55, label %56, label %80

56:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %57 = load i64, ptr %14, align 8, !tbaa !5
  %58 = load i64, ptr %15, align 8, !tbaa !5
  %59 = add nsw i64 %57, %58
  %60 = ashr i64 %59, 1
  store i64 %60, ptr %17, align 8, !tbaa !5
  %61 = load i64, ptr %17, align 8, !tbaa !5
  %62 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40) %13, i64 noundef %61)
          to label %63 unwind label %72

63:                                               ; preds = %56
  br i1 %62, label %64, label %76

64:                                               ; preds = %63
  %65 = load i64, ptr %17, align 8, !tbaa !5
  %66 = sub nsw i64 %65, 1
  store i64 %66, ptr %15, align 8, !tbaa !5
  %67 = load i64, ptr %17, align 8, !tbaa !5
  store i64 %67, ptr %16, align 8, !tbaa !5
  br label %79

68:                                               ; preds = %40
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %11, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  br label %94

72:                                               ; preds = %56
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %11, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br label %93

76:                                               ; preds = %63
  %77 = load i64, ptr %17, align 8, !tbaa !5
  %78 = add nsw i64 %77, 1
  store i64 %78, ptr %14, align 8, !tbaa !5
  br label %79

79:                                               ; preds = %76, %64
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br label %52, !llvm.loop !13

80:                                               ; preds = %52
  %81 = load i64, ptr %16, align 8, !tbaa !5
  %82 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40) %13, i64 noundef %81)
          to label %83 unwind label %89

83:                                               ; preds = %80
  %84 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %85 unwind label %89

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef @.str)
          to label %87 unwind label %89

87:                                               ; preds = %85
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #5
  %88 = load ptr, ptr %3, align 8
  call void @llvm.stackrestore.p0(ptr %88)
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  ret void

89:                                               ; preds = %85, %83, %80
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %11, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %12, align 4
  br label %93

93:                                               ; preds = %89, %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %13) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #5
  br label %94

94:                                               ; preds = %93, %68
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  br label %95

95:                                               ; preds = %94
  %96 = load ptr, ptr %11, align 8
  %97 = load i32, ptr %12, align 4
  %98 = insertvalue { ptr, i32 } poison, ptr %96, 0
  %99 = insertvalue { ptr, i32 } %98, i32 %97, 1
  resume { ptr, i32 } %99
}

; 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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #4 align 2

; 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 = { 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 }

!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", !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 = !{!12, !6, i64 8}
!12 = !{!"_ZTSZ5solvevE3$_0", !10, i64 0, !6, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!13 = distinct !{!13, !14}
!14 = !{!"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_istream" = type { ptr, i64, %"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::allocator" = type { i8 }
%class.anon = type { ptr, i64, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %class.anon, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = call ptr @llvm.stacksave.p0()
  %10 = alloca i64, i64 %8, align 16
  %11 = getelementptr inbounds i64, ptr %10, i64 %8
  %.not31 = icmp eq i64 %8, 0
  br i1 %.not31, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  %12 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %12, i8 noundef signext 48, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %28

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.032 = phi ptr [ %14, %.lr.ph ], [ %10, %0 ]
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %.032)
  %14 = getelementptr inbounds i8, ptr %.032, i64 8
  %.not = icmp eq ptr %14, %11
  br i1 %.not, label %._crit_edge, label %.lr.ph

15:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #5
  store ptr %2, ptr %5, align 8, !tbaa !9
  %16 = getelementptr inbounds i8, ptr %5, i64 8
  store i64 %8, ptr %16, align 8, !tbaa !11
  %17 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr %10, ptr %17, align 8, !tbaa !9
  %18 = getelementptr inbounds i8, ptr %5, i64 24
  store ptr %3, ptr %18, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %5, i64 32
  store ptr %1, ptr %19, align 8, !tbaa !9
  %20 = load i64, ptr %1, align 8, !tbaa !5
  %21 = add nsw i64 %20, -1
  %.not2733 = icmp slt i64 %20, 1
  br i1 %.not2733, label %._crit_edge39, label %.lr.ph38

.lr.ph38:                                         ; preds = %15, %25
  %.01836 = phi i64 [ %.1, %25 ], [ %21, %15 ]
  %.01935 = phi i64 [ %.120, %25 ], [ %21, %15 ]
  %.02134 = phi i64 [ %.122, %25 ], [ 0, %15 ]
  %22 = add nuw nsw i64 %.01935, %.02134
  %23 = lshr i64 %22, 1
  %24 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %23)
          to label %25 unwind label %30

25:                                               ; preds = %.lr.ph38
  %26 = add nsw i64 %23, -1
  %27 = add nuw nsw i64 %23, 1
  %.122 = select i1 %24, i64 %.02134, i64 %27
  %.120 = select i1 %24, i64 %26, i64 %.01935
  %.1 = select i1 %24, i64 %23, i64 %.01836
  %.not27 = icmp sgt i64 %.122, %.120
  br i1 %.not27, label %._crit_edge39, label %.lr.ph38, !llvm.loop !13

28:                                               ; preds = %._crit_edge
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %41

30:                                               ; preds = %.lr.ph38
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %40

._crit_edge39:                                    ; preds = %25, %15
  %.018.lcssa = phi i64 [ %21, %15 ], [ %.1, %25 ]
  %32 = invoke noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %.018.lcssa)
          to label %33 unwind label %38

33:                                               ; preds = %._crit_edge39
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %35 unwind label %38

35:                                               ; preds = %33
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef nonnull @.str)
          to label %37 unwind label %38

37:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.stackrestore.p0(ptr %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void

38:                                               ; preds = %35, %33, %._crit_edge39
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %40

40:                                               ; preds = %38, %30
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %39, %38 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  br label %41

41:                                               ; preds = %40, %28
  %.pn.pn = phi { ptr, i32 } [ %.pn, %40 ], [ %29, %28 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #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 void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEmcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ5solvevENK3$_0clEl"(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #4 align 2

; 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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 = { 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 }

!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", !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 = !{!12, !6, i64 8}
!12 = !{!"_ZTSZ5solvevE3$_0", !10, i64 0, !6, i64 8, !10, i64 16, !10, i64 24, !10, i64 32}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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