; LLVM IR from Leet-Us-Code/DSA-A-Z-Practice :: Sid's Levels/Level - 3/Sorting and Searching (ICPC standings)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"class.std::__cxx11::basic_string" }
%"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.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair.8" = type <{ %"class.std::__cxx11::basic_string", i32, [4 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z7badnessSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE(ptr noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %29, %1
  %13 = load i32, ptr %4, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = call noundef i64 @_ZNKSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  %16 = icmp ult i64 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %41

18:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 40, ptr %5) #6
  %19 = load i32, ptr %4, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #6
  %22 = getelementptr inbounds %"struct.std::pair.8", ptr %21, i32 0, i32 1
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %24) #6
  %26 = getelementptr inbounds %"struct.std::pair.8", ptr %25, i32 0, i32 0
  invoke void @_ZSt9make_pairIRiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS9_INSA_IT0_E4typeEE6__typeEEOSB_OSG_(ptr dead_on_unwind writable sret(%"struct.std::pair") align 8 %5, ptr noundef nonnull align 4 dereferenceable(4) %22, ptr noundef nonnull align 8 dereferenceable(32) %26)
          to label %27 unwind label %32

27:                                               ; preds = %18
  invoke void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE9push_backEOS7_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(40) %5)
          to label %28 unwind label %36

28:                                               ; preds = %27
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #6
  br label %29

29:                                               ; preds = %28
  %30 = load i32, ptr %4, align 4, !tbaa !9
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %4, align 4, !tbaa !9
  br label %12, !llvm.loop !11

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  br label %40

36:                                               ; preds = %27
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %6, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %7, align 4
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #6
  br label %40

40:                                               ; preds = %36, %32
  call void @llvm.lifetime.end.p0(i64 40, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %78

41:                                               ; preds = %17
  %42 = call ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %43 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %42, ptr %43, align 8
  %44 = call ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %45 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %44, ptr %45, align 8
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %49 = load ptr, ptr %48, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIS9_SaIS9_EEEEEvT_SF_(ptr %47, ptr %49)
          to label %50 unwind label %57

50:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %73, %50
  %52 = load i32, ptr %11, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %54 = call noundef i64 @_ZNKSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %55 = icmp ult i64 %53, %54
  br i1 %55, label %61, label %56

56:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %76

57:                                               ; preds = %41
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %6, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %7, align 4
  br label %78

61:                                               ; preds = %51
  %62 = load i32, ptr %11, align 4, !tbaa !9
  %63 = add nsw i32 %62, 1
  %64 = load i32, ptr %11, align 4, !tbaa !9
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %65) #6
  %67 = getelementptr inbounds %"struct.std::pair", ptr %66, i32 0, i32 0
  %68 = load i32, ptr %67, align 8, !tbaa !13
  %69 = sub nsw i32 %63, %68
  %70 = call i32 @llvm.abs.i32(i32 %69, i1 true)
  %71 = load i32, ptr %10, align 4, !tbaa !9
  %72 = add nsw i32 %71, %70
  store i32 %72, ptr %10, align 4, !tbaa !9
  br label %73

73:                                               ; preds = %61
  %74 = load i32, ptr %11, align 4, !tbaa !9
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %11, align 4, !tbaa !9
  br label %51, !llvm.loop !18

76:                                               ; preds = %56
  %77 = load i32, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  ret i32 %77

78:                                               ; preds = %57, %40
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %6, align 8
  %81 = load i32, ptr %7, 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE9push_backEOS7_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIRiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS9_INSA_IT0_E4typeEE6__typeEEOSB_OSG_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIS9_SaIS9_EEEEEvT_SF_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !10, i64 0, !15, i64 8}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !16, i64 0, !17, i64 8, !7, i64 16}
!16 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = distinct !{!18, !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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, std::__cxx11::basic_string<char>>, std::allocator<std::pair<int, std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, %"class.std::__cxx11::basic_string" }
%"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] }

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, -2147483648) i32 @_Z7badnessSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE(ptr noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %4 = call noundef i64 @_ZNKSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %12, %1
  %5 = call ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %6 = call ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIS9_SaIS9_EEEEEvT_SF_(ptr %5, ptr %6)
          to label %.preheader unwind label %20

.preheader:                                       ; preds = %._crit_edge
  %7 = call noundef i64 @_ZNKSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %.not26 = icmp eq i64 %7, 0
  br i1 %.not26, label %._crit_edge25, label %.lr.ph24

.lr.ph:                                           ; preds = %1, %12
  %indvars.iv = phi i64 [ %indvars.iv.next, %12 ], [ 0, %1 ]
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %3) #6
  %8 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #6
  %9 = getelementptr inbounds i8, ptr %8, i64 32
  %10 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #6
  invoke void @_ZSt9make_pairIRiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS9_INSA_IT0_E4typeEE6__typeEEOSB_OSG_(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair") align 8 %3, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %11 unwind label %15

11:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE9push_backEOS7_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(40) %3)
          to label %12 unwind label %17

12:                                               ; preds = %11
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %13 = call noundef i64 @_ZNKSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #6
  %14 = icmp ugt i64 %13, %indvars.iv.next
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !5

15:                                               ; preds = %.lr.ph
  %16 = landingpad { ptr, i32 }
          cleanup
  br label %19

17:                                               ; preds = %11
  %18 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %3) #6
  br label %19

19:                                               ; preds = %17, %15
  %.pn = phi { ptr, i32 } [ %18, %17 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %3) #6
  br label %30

._crit_edge25:                                    ; preds = %.lr.ph24, %.preheader
  %.012.lcssa = phi i32 [ 0, %.preheader ], [ %27, %.lr.ph24 ]
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  ret i32 %.012.lcssa

20:                                               ; preds = %._crit_edge
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %30

.lr.ph24:                                         ; preds = %.preheader, %.lr.ph24
  %indvars.iv28 = phi i64 [ %indvars.iv.next29, %.lr.ph24 ], [ 0, %.preheader ]
  %.01222 = phi i32 [ %27, %.lr.ph24 ], [ 0, %.preheader ]
  %indvars.iv.next29 = add nuw nsw i64 %indvars.iv28, 1
  %22 = call noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv28) #6
  %23 = load i32, ptr %22, align 8, !tbaa !7
  %24 = trunc nuw i64 %indvars.iv.next29 to i32
  %25 = sub nsw i32 %24, %23
  %26 = call i32 @llvm.abs.i32(i32 %25, i1 true)
  %27 = add nuw nsw i32 %26, %.01222
  %28 = call noundef i64 @_ZNKSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %29 = icmp ugt i64 %28, %indvars.iv.next29
  br i1 %29, label %.lr.ph24, label %._crit_edge25, !llvm.loop !16

30:                                               ; preds = %20, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %19 ], [ %21, %20 ]
  call void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  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 nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE9push_backEOS7_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZSt9make_pairIRiRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS9_INSA_IT0_E4typeEE6__typeEEOSB_OSG_(ptr dead_on_unwind noalias writable sret(%"struct.std::pair") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZNSt6vectorISt4pairINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESt6vectorIS9_SaIS9_EEEEEvT_SF_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !9, i64 0}
!8 = !{!"_ZTSSt4pairIiNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !9, i64 0, !12, i64 8}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !13, i64 0, !15, i64 8, !10, i64 16}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !14, i64 0}
!14 = !{!"any pointer", !10, i64 0}
!15 = !{!"long", !10, i64 0}
!16 = distinct !{!16, !6}


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