; LLVM IR from AnneLivia/Competitive-Programming :: Algorithms/Longest Common Substring (main)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.5" = type { i8 }
%"class.std::allocator.0" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3lcsRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ii(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2, i32 noundef %3, i32 noundef %4) #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::vector.3", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::allocator.5", align 1
  %15 = alloca ptr, align 8
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::allocator.0", align 1
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  %22 = alloca i32, align 4
  store ptr %0, ptr %6, align 8
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i32 %4, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #3
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %23) #3
  %25 = add i64 %24, 1
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #3
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %26) #3
  %28 = add i64 %27, 1
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 0, ptr %13, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %29 unwind label %36

29:                                               ; preds = %5
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #3
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #3
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %25, ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %30 unwind label %40

30:                                               ; preds = %29
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #3
  store i32 0, ptr %18, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #3
  store i32 0, ptr %19, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #3
  store i32 0, ptr %20, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %114, %30
  %32 = load i32, ptr %20, align 4, !tbaa !9
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = icmp sle i32 %32, %33
  br i1 %34, label %45, label %35

35:                                               ; preds = %31
  store i32 2, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #3
  br label %117

36:                                               ; preds = %5
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %15, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %16, align 4
  br label %44

40:                                               ; preds = %29
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %15, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %16, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  br label %44

44:                                               ; preds = %40, %36
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #3
  br label %131

45:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #3
  store i32 0, ptr %22, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %110, %45
  %47 = load i32, ptr %22, align 4, !tbaa !9
  %48 = load i32, ptr %10, align 4, !tbaa !9
  %49 = icmp sle i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  store i32 5, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #3
  br label %113

51:                                               ; preds = %46
  %52 = load ptr, ptr %7, align 8, !tbaa !5
  %53 = load i32, ptr %20, align 4, !tbaa !9
  %54 = sub nsw i32 %53, 1
  %55 = sext i32 %54 to i64
  %56 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %52, i64 noundef %55)
          to label %57 unwind label %86

57:                                               ; preds = %51
  %58 = load i8, ptr %56, align 1, !tbaa !11
  %59 = sext i8 %58 to i32
  %60 = load ptr, ptr %8, align 8, !tbaa !5
  %61 = load i32, ptr %22, align 4, !tbaa !9
  %62 = sub nsw i32 %61, 1
  %63 = sext i32 %62 to i64
  %64 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %60, i64 noundef %63)
          to label %65 unwind label %86

65:                                               ; preds = %57
  %66 = load i8, ptr %64, align 1, !tbaa !11
  %67 = sext i8 %66 to i32
  %68 = icmp eq i32 %59, %67
  br i1 %68, label %69, label %90

69:                                               ; preds = %65
  %70 = load i32, ptr %20, align 4, !tbaa !9
  %71 = sub nsw i32 %70, 1
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %72) #3
  %74 = load i32, ptr %22, align 4, !tbaa !9
  %75 = sub nsw i32 %74, 1
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %73, i64 noundef %76) #3
  %78 = load i32, ptr %77, align 4, !tbaa !9
  %79 = add nsw i32 1, %78
  %80 = load i32, ptr %20, align 4, !tbaa !9
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %81) #3
  %83 = load i32, ptr %22, align 4, !tbaa !9
  %84 = sext i32 %83 to i64
  %85 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %82, i64 noundef %84) #3
  store i32 %79, ptr %85, align 4, !tbaa !9
  br label %90

86:                                               ; preds = %57, %51
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %15, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #3
  br label %130

90:                                               ; preds = %69, %65
  %91 = load i32, ptr %20, align 4, !tbaa !9
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %92) #3
  %94 = load i32, ptr %22, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %93, i64 noundef %95) #3
  %97 = load i32, ptr %96, align 4, !tbaa !9
  %98 = load i32, ptr %18, align 4, !tbaa !9
  %99 = icmp sgt i32 %97, %98
  br i1 %99, label %100, label %109

100:                                              ; preds = %90
  %101 = load i32, ptr %20, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %102) #3
  %104 = load i32, ptr %22, align 4, !tbaa !9
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %103, i64 noundef %105) #3
  %107 = load i32, ptr %106, align 4, !tbaa !9
  store i32 %107, ptr %18, align 4, !tbaa !9
  %108 = load i32, ptr %20, align 4, !tbaa !9
  store i32 %108, ptr %19, align 4, !tbaa !9
  br label %109

109:                                              ; preds = %100, %90
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %22, align 4, !tbaa !9
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %22, align 4, !tbaa !9
  br label %46, !llvm.loop !12

113:                                              ; preds = %50
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %20, align 4, !tbaa !9
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %20, align 4, !tbaa !9
  br label %31, !llvm.loop !14

117:                                              ; preds = %35
  %118 = load ptr, ptr %7, align 8, !tbaa !5
  %119 = load i32, ptr %19, align 4, !tbaa !9
  %120 = load i32, ptr %18, align 4, !tbaa !9
  %121 = sub nsw i32 %119, %120
  %122 = sext i32 %121 to i64
  %123 = load i32, ptr %19, align 4, !tbaa !9
  %124 = sext i32 %123 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %118, i64 noundef %122, i64 noundef %124)
          to label %125 unwind label %126

125:                                              ; preds = %117
  store i32 1, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #3
  ret void

126:                                              ; preds = %117
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %15, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %16, align 4
  br label %130

130:                                              ; preds = %126, %86
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  br label %131

131:                                              ; preds = %130, %44
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #3
  br label %132

132:                                              ; preds = %131
  %133 = load ptr, ptr %15, align 8
  %134 = load i32, ptr %16, align 4
  %135 = insertvalue { ptr, i32 } poison, ptr %133, 0
  %136 = insertvalue { ptr, i32 } %135, i32 %134, 1
  resume { ptr, i32 } %136
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 = { 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 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.5" = type { i8 }
%"class.std::allocator.0" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3lcsRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_ii(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::vector.3", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator.5", align 1
  %10 = alloca %"class.std::allocator.0", align 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #3
  %11 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  %12 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #3
  %13 = add i64 %12, 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %13, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %14 unwind label %25

14:                                               ; preds = %5
  %15 = add i64 %11, 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #3
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %15, ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %16 unwind label %27

16:                                               ; preds = %14
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  %17 = or i32 %3, %4
  %or.cond.not = icmp sgt i32 %17, -1
  br i1 %or.cond.not, label %.preheader.preheader, label %._crit_edge49

.preheader.preheader:                             ; preds = %16
  %18 = add nuw i32 %4, 1
  %19 = add nuw i32 %3, 1
  %wide.trip.count58 = zext i32 %19 to i64
  %wide.trip.count = zext i32 %18 to i64
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge
  %indvars.iv55 = phi i64 [ 0, %.preheader.preheader ], [ %indvars.iv.next56, %._crit_edge ]
  %.02847 = phi i32 [ 0, %.preheader.preheader ], [ %.2, %._crit_edge ]
  %.02946 = phi i32 [ 0, %.preheader.preheader ], [ %.231, %._crit_edge ]
  %20 = add nsw i64 %indvars.iv55, -1
  %21 = trunc nuw nsw i64 %indvars.iv55 to i32
  br label %30

._crit_edge49:                                    ; preds = %._crit_edge, %16
  %.029.lcssa = phi i32 [ 0, %16 ], [ %.231, %._crit_edge ]
  %.028.lcssa = phi i32 [ 0, %16 ], [ %.2, %._crit_edge ]
  %22 = sub nsw i32 %.028.lcssa, %.029.lcssa
  %23 = sext i32 %22 to i64
  %24 = sext i32 %.028.lcssa to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %23, i64 noundef %24)
          to label %54 unwind label %55

25:                                               ; preds = %5
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %29

27:                                               ; preds = %14
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  br label %29

29:                                               ; preds = %27, %25
  %.pn = phi { ptr, i32 } [ %28, %27 ], [ %26, %25 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  br label %57

._crit_edge:                                      ; preds = %53
  %indvars.iv.next56 = add nuw nsw i64 %indvars.iv55, 1
  %exitcond59.not = icmp eq i64 %indvars.iv.next56, %wide.trip.count58
  br i1 %exitcond59.not, label %._crit_edge49, label %.preheader, !llvm.loop !9

30:                                               ; preds = %.preheader, %53
  %indvars.iv = phi i64 [ 0, %.preheader ], [ %indvars.iv.next, %53 ]
  %.142 = phi i32 [ %.02847, %.preheader ], [ %.2, %53 ]
  %.13041 = phi i32 [ %.02946, %.preheader ], [ %.231, %53 ]
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %20)
  %32 = load i8, ptr %31, align 1, !tbaa !11
  %33 = add nsw i64 %indvars.iv, -1
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %33)
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = icmp eq i8 %32, %35
  br i1 %36, label %37, label %44

37:                                               ; preds = %30
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %20) #3
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef %33) #3
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = add nsw i32 %40, 1
  %42 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv55) #3
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %indvars.iv) #3
  store i32 %41, ptr %43, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %37, %30
  %45 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv55) #3
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %45, i64 noundef %indvars.iv) #3
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = icmp sgt i32 %47, %.13041
  br i1 %48, label %49, label %53

49:                                               ; preds = %44
  %50 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv55) #3
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %50, i64 noundef %indvars.iv) #3
  %52 = load i32, ptr %51, align 4, !tbaa !5
  br label %53

53:                                               ; preds = %44, %49
  %.231 = phi i32 [ %52, %49 ], [ %.13041, %44 ]
  %.2 = phi i32 [ %21, %49 ], [ %.142, %44 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %30, !llvm.loop !12

54:                                               ; preds = %._crit_edge49
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  ret void

55:                                               ; preds = %._crit_edge49
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  br label %57

57:                                               ; preds = %55, %29
  %.pn37 = phi { ptr, i32 } [ %56, %55 ], [ %.pn, %29 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  resume { ptr, i32 } %.pn37
}

; 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 noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass