; LLVM IR from Algo-Phantoms/Algo-Tree :: Code/C++ (remove_invalid_parentheses)

; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"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 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.std::allocator.5" = type { i8 }

@.str = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6helperNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiiiiS4_RSt13unordered_setIS4_St4hashIS4_ESt8equal_toIS4_ESaIS4_EE(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(56)) #0

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24removeInvalidParenthesesNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::unordered_set", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i8, align 1
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %18 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %19 = alloca %"class.std::allocator.5", align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 56, ptr %5) #4
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store ptr %1, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %20) #4
  %22 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %21, ptr %22, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %23) #4
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  br label %26

26:                                               ; preds = %53, %2
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %27, label %29, label %28

28:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %55

29:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %31 = load i8, ptr %30, align 1, !tbaa !11
  store i8 %31, ptr %11, align 1, !tbaa !11
  %32 = load i8, ptr %11, align 1, !tbaa !11
  %33 = sext i8 %32 to i32
  %34 = icmp eq i32 %33, 40
  br i1 %34, label %35, label %38

35:                                               ; preds = %29
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %6, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %35, %29
  %39 = load i8, ptr %11, align 1, !tbaa !11
  %40 = sext i8 %39 to i32
  %41 = icmp eq i32 %40, 41
  br i1 %41, label %42, label %52

42:                                               ; preds = %38
  %43 = load i32, ptr %6, align 4, !tbaa !9
  %44 = icmp ne i32 %43, 0
  br i1 %44, label %45, label %48

45:                                               ; preds = %42
  %46 = load i32, ptr %6, align 4, !tbaa !9
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %6, align 4, !tbaa !9
  br label %51

48:                                               ; preds = %42
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %7, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %48, %45
  br label %52

52:                                               ; preds = %51, %38
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %53

53:                                               ; preds = %52
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br label %26

55:                                               ; preds = %28
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %56 unwind label %74

56:                                               ; preds = %55
  %57 = load i32, ptr %6, align 4, !tbaa !9
  %58 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %59 unwind label %78

59:                                               ; preds = %56
  invoke void @_Z6helperNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiiiiS4_RSt13unordered_setIS4_St4hashIS4_ESt8equal_toIS4_ESaIS4_EE(ptr noundef %12, i32 noundef 0, i32 noundef %57, i32 noundef %58, i32 noundef 0, ptr noundef %15, ptr noundef nonnull align 8 dereferenceable(56) %5)
          to label %60 unwind label %82

60:                                               ; preds = %59
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  %61 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  %62 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %17, i32 0, i32 0
  %63 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %62, i32 0, i32 0
  store ptr %61, ptr %63, align 8
  %64 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  %65 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %18, i32 0, i32 0
  %66 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %65, i32 0, i32 0
  store ptr %64, ptr %66, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #4
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #4
  %67 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %17, i32 0, i32 0
  %68 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %67, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8
  %70 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %18, i32 0, i32 0
  %71 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %70, i32 0, i32 0
  %72 = load ptr, ptr %71, align 8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2INSt8__detail14_Node_iteratorIS5_Lb1ELb1EEEvEET_SC_RKS6_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %69, ptr %72, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %73 unwind label %87

73:                                               ; preds = %60
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #4
  ret void

74:                                               ; preds = %55
  %75 = landingpad { ptr, i32 }
          cleanup
  %76 = extractvalue { ptr, i32 } %75, 0
  store ptr %76, ptr %13, align 8
  %77 = extractvalue { ptr, i32 } %75, 1
  store i32 %77, ptr %14, align 4
  br label %91

78:                                               ; preds = %56
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %13, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %14, align 4
  br label %86

82:                                               ; preds = %59
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %13, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %14, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  br label %86

86:                                               ; preds = %82, %78
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  br label %91

87:                                               ; preds = %60
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %13, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %14, align 4
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #4
  br label %91

91:                                               ; preds = %87, %86, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #4
  br label %92

92:                                               ; preds = %91
  %93 = load ptr, ptr %13, align 8
  %94 = load i32, ptr %14, align 4
  %95 = insertvalue { ptr, i32 } poison, ptr %93, 0
  %96 = insertvalue { ptr, i32 } %95, i32 %94, 1
  resume { ptr, i32 } %96
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 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)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; 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)) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2INSt8__detail14_Node_iteratorIS5_Lb1ELb1EEEvEET_SC_RKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"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}


; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"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.std::allocator.5" = type { i8 }

@.str = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6helperNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiiiiS4_RSt13unordered_setIS4_St4hashIS4_ESt8equal_toIS4_ESaIS4_EE(ptr noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24removeInvalidParenthesesNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::unordered_set", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.std::allocator.5", align 1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #4
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %10 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store ptr %10, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %11 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #4
  store ptr %11, ptr %5, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %23, %2
  %.012.lcssa = phi i32 [ 0, %2 ], [ %.113, %23 ]
  %.0.lcssa = phi i32 [ 0, %2 ], [ %.2, %23 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %26 unwind label %32

.lr.ph:                                           ; preds = %2, %23
  %.022 = phi i32 [ %.2, %23 ], [ 0, %2 ]
  %.01221 = phi i32 [ %.113, %23 ], [ 0, %2 ]
  %13 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %14 = load i8, ptr %13, align 1, !tbaa !5
  %15 = icmp eq i8 %14, 40
  %16 = zext i1 %15 to i32
  %spec.select = add nsw i32 %.022, %16
  %17 = icmp eq i8 %14, 41
  br i1 %17, label %18, label %23

18:                                               ; preds = %.lr.ph
  %.not = icmp eq i32 %.022, 0
  br i1 %.not, label %21, label %19

19:                                               ; preds = %18
  %20 = add nsw i32 %.022, -1
  br label %23

21:                                               ; preds = %18
  %22 = add nsw i32 %.01221, 1
  br label %23

23:                                               ; preds = %19, %21, %.lr.ph
  %.113 = phi i32 [ %.01221, %19 ], [ %22, %21 ], [ %.01221, %.lr.ph ]
  %.2 = phi i32 [ %20, %19 ], [ 0, %21 ], [ %spec.select, %.lr.ph ]
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %25 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %25, label %.lr.ph, label %._crit_edge

26:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %27 unwind label %34

27:                                               ; preds = %26
  invoke void @_Z6helperNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiiiiS4_RSt13unordered_setIS4_St4hashIS4_ESt8equal_toIS4_ESaIS4_EE(ptr noundef nonnull %6, i32 noundef 0, i32 noundef %.0.lcssa, i32 noundef %.012.lcssa, i32 noundef 0, ptr noundef nonnull %7, ptr noundef nonnull align 8 dereferenceable(56) %3)
          to label %28 unwind label %36

28:                                               ; preds = %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  %29 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  %30 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2INSt8__detail14_Node_iteratorIS5_Lb1ELb1EEEvEET_SC_RKS6_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %29, ptr %30, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %31 unwind label %39

31:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  ret void

32:                                               ; preds = %._crit_edge
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %41

34:                                               ; preds = %26
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %38

36:                                               ; preds = %27
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  br label %38

38:                                               ; preds = %36, %34
  %.pn = phi { ptr, i32 } [ %37, %36 ], [ %35, %34 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %41

39:                                               ; preds = %28
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  br label %41

41:                                               ; preds = %39, %38, %32
  %.pn19 = phi { ptr, i32 } [ %40, %39 ], [ %.pn, %38 ], [ %33, %32 ]
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn19
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 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 #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; 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 #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2INSt8__detail14_Node_iteratorIS5_Lb1ELb1EEEvEET_SC_RKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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"}


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