; LLVM IR from PetarV-/Algorithms :: Dynamic Programming/Nussinov Algorithm.ll (Z14get_bracketingB5cxx11ii)

; 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::allocator" = type { i8 }

@_Z1AB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@.str = external hidden unnamed_addr constant [1 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z13complementarycc(i8 noundef signext, i8 noundef signext) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8nussinovii(i32 noundef, i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1, i32 noundef %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::__cxx11::basic_string", align 8
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  %22 = alloca %"class.std::__cxx11::basic_string", align 8
  %23 = alloca %"class.std::__cxx11::basic_string", align 8
  %24 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %4, align 8
  store i32 %1, ptr %5, align 4, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !5
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = icmp eq i32 %25, %26
  br i1 %27, label %28, label %31

28:                                               ; preds = %3
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  call 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) @_Z1AB5cxx11, i64 noundef %30, i64 noundef 1)
  br label %208

31:                                               ; preds = %3
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !5
  %34 = icmp sgt i32 %32, %33
  br i1 %34, label %35, label %41

35:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %36 unwind label %37

36:                                               ; preds = %35
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %208

37:                                               ; preds = %35
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %8, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  br label %209

41:                                               ; preds = %31
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = call noundef i32 @_Z8nussinovii(i32 noundef %42, i32 noundef %43)
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  %47 = load i32, ptr %6, align 4, !tbaa !5
  %48 = call noundef i32 @_Z8nussinovii(i32 noundef %46, i32 noundef %47)
  %49 = icmp eq i32 %44, %48
  br i1 %49, label %50, label %67

50:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #4
  %51 = load i32, ptr %5, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %10, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %52, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #4
  %53 = load i32, ptr %5, align 4, !tbaa !5
  %54 = add nsw i32 %53, 1
  %55 = load i32, ptr %6, align 4, !tbaa !5
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, i32 noundef %54, i32 noundef %55)
          to label %56 unwind label %58

56:                                               ; preds = %50
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_OS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %10, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %57 unwind label %62

57:                                               ; preds = %56
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  br label %208

58:                                               ; preds = %50
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %8, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %9, align 4
  br label %66

62:                                               ; preds = %56
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %8, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br label %66

66:                                               ; preds = %62, %58
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #4
  br label %209

67:                                               ; preds = %41
  %68 = load i32, ptr %5, align 4, !tbaa !5
  %69 = load i32, ptr %6, align 4, !tbaa !5
  %70 = call noundef i32 @_Z8nussinovii(i32 noundef %68, i32 noundef %69)
  %71 = load i32, ptr %5, align 4, !tbaa !5
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = sub nsw i32 %72, 1
  %74 = call noundef i32 @_Z8nussinovii(i32 noundef %71, i32 noundef %73)
  %75 = icmp eq i32 %70, %74
  br i1 %75, label %76, label %93

76:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #4
  %77 = load i32, ptr %6, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %78, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #4
  %79 = load i32, ptr %5, align 4, !tbaa !5
  %80 = load i32, ptr %6, align 4, !tbaa !5
  %81 = sub nsw i32 %80, 1
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %13, i32 noundef %79, i32 noundef %81)
          to label %82 unwind label %84

82:                                               ; preds = %76
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %83 unwind label %88

83:                                               ; preds = %82
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  br label %208

84:                                               ; preds = %76
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %8, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %9, align 4
  br label %92

88:                                               ; preds = %82
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %8, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  br label %92

92:                                               ; preds = %88, %84
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  br label %209

93:                                               ; preds = %67
  %94 = load i32, ptr %5, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %95)
  %97 = load i8, ptr %96, align 1, !tbaa !9
  %98 = load i32, ptr %6, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %99)
  %101 = load i8, ptr %100, align 1, !tbaa !9
  %102 = call noundef zeroext i1 @_Z13complementarycc(i8 noundef signext %97, i8 noundef signext %101)
  br i1 %102, label %103, label %158

103:                                              ; preds = %93
  %104 = load i32, ptr %5, align 4, !tbaa !5
  %105 = load i32, ptr %6, align 4, !tbaa !5
  %106 = call noundef i32 @_Z8nussinovii(i32 noundef %104, i32 noundef %105)
  %107 = load i32, ptr %5, align 4, !tbaa !5
  %108 = add nsw i32 %107, 1
  %109 = load i32, ptr %6, align 4, !tbaa !5
  %110 = sub nsw i32 %109, 1
  %111 = call noundef i32 @_Z8nussinovii(i32 noundef %108, i32 noundef %110)
  %112 = add nsw i32 %111, 1
  %113 = icmp eq i32 %106, %112
  br i1 %113, label %114, label %158

114:                                              ; preds = %103
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #4
  %115 = load i32, ptr %5, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %116, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #4
  %117 = load i32, ptr %6, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %118, i64 noundef 1)
          to label %119 unwind label %129

119:                                              ; preds = %114
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %18) #4
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %18, ptr noundef @.str.2, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %120 unwind label %133

120:                                              ; preds = %119
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #4
  %121 = load i32, ptr %5, align 4, !tbaa !5
  %122 = add nsw i32 %121, 1
  %123 = load i32, ptr %6, align 4, !tbaa !5
  %124 = sub nsw i32 %123, 1
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %19, i32 noundef %122, i32 noundef %124)
          to label %125 unwind label %137

125:                                              ; preds = %120
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %17, ptr noundef nonnull align 8 dereferenceable(32) %18, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %126 unwind label %141

126:                                              ; preds = %125
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %16, ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %127 unwind label %145

127:                                              ; preds = %126
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef @.str.3)
          to label %128 unwind label %149

128:                                              ; preds = %127
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  br label %208

129:                                              ; preds = %114
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %8, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %9, align 4
  br label %157

133:                                              ; preds = %119
  %134 = landingpad { ptr, i32 }
          cleanup
  %135 = extractvalue { ptr, i32 } %134, 0
  store ptr %135, ptr %8, align 8
  %136 = extractvalue { ptr, i32 } %134, 1
  store i32 %136, ptr %9, align 4
  br label %156

137:                                              ; preds = %120
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %8, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, ptr %9, align 4
  br label %155

141:                                              ; preds = %125
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %8, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %9, align 4
  br label %154

145:                                              ; preds = %126
  %146 = landingpad { ptr, i32 }
          cleanup
  %147 = extractvalue { ptr, i32 } %146, 0
  store ptr %147, ptr %8, align 8
  %148 = extractvalue { ptr, i32 } %146, 1
  store i32 %148, ptr %9, align 4
  br label %153

149:                                              ; preds = %127
  %150 = landingpad { ptr, i32 }
          cleanup
  %151 = extractvalue { ptr, i32 } %150, 0
  store ptr %151, ptr %8, align 8
  %152 = extractvalue { ptr, i32 } %150, 1
  store i32 %152, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  br label %153

153:                                              ; preds = %149, %145
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  br label %154

154:                                              ; preds = %153, %141
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #4
  br label %155

155:                                              ; preds = %154, %137
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %18) #4
  br label %156

156:                                              ; preds = %155, %133
  call void @llvm.lifetime.end.p0(i64 32, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  br label %157

157:                                              ; preds = %156, %129
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #4
  br label %209

158:                                              ; preds = %103, %93
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #4
  %159 = load i32, ptr %5, align 4, !tbaa !5
  %160 = add nsw i32 %159, 1
  store i32 %160, ptr %20, align 4, !tbaa !5
  br label %161

161:                                              ; preds = %197, %158
  %162 = load i32, ptr %20, align 4, !tbaa !5
  %163 = load i32, ptr %6, align 4, !tbaa !5
  %164 = icmp slt i32 %162, %163
  br i1 %164, label %166, label %165

165:                                              ; preds = %161
  store i32 2, ptr %21, align 4
  br label %200

166:                                              ; preds = %161
  %167 = load i32, ptr %5, align 4, !tbaa !5
  %168 = load i32, ptr %6, align 4, !tbaa !5
  %169 = call noundef i32 @_Z8nussinovii(i32 noundef %167, i32 noundef %168)
  %170 = load i32, ptr %5, align 4, !tbaa !5
  %171 = load i32, ptr %20, align 4, !tbaa !5
  %172 = call noundef i32 @_Z8nussinovii(i32 noundef %170, i32 noundef %171)
  %173 = load i32, ptr %20, align 4, !tbaa !5
  %174 = add nsw i32 %173, 1
  %175 = load i32, ptr %6, align 4, !tbaa !5
  %176 = call noundef i32 @_Z8nussinovii(i32 noundef %174, i32 noundef %175)
  %177 = add nsw i32 %172, %176
  %178 = icmp eq i32 %169, %177
  br i1 %178, label %179, label %196

179:                                              ; preds = %166
  call void @llvm.lifetime.start.p0(i64 32, ptr %22) #4
  %180 = load i32, ptr %5, align 4, !tbaa !5
  %181 = load i32, ptr %20, align 4, !tbaa !5
  call void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %22, i32 noundef %180, i32 noundef %181)
  call void @llvm.lifetime.start.p0(i64 32, ptr %23) #4
  %182 = load i32, ptr %20, align 4, !tbaa !5
  %183 = add nsw i32 %182, 1
  %184 = load i32, ptr %6, align 4, !tbaa !5
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %23, i32 noundef %183, i32 noundef %184)
          to label %185 unwind label %187

185:                                              ; preds = %179
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %22, ptr noundef nonnull align 8 dereferenceable(32) %23)
          to label %186 unwind label %191

186:                                              ; preds = %185
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #4
  store i32 1, ptr %21, align 4
  br label %200

187:                                              ; preds = %179
  %188 = landingpad { ptr, i32 }
          cleanup
  %189 = extractvalue { ptr, i32 } %188, 0
  store ptr %189, ptr %8, align 8
  %190 = extractvalue { ptr, i32 } %188, 1
  store i32 %190, ptr %9, align 4
  br label %195

191:                                              ; preds = %185
  %192 = landingpad { ptr, i32 }
          cleanup
  %193 = extractvalue { ptr, i32 } %192, 0
  store ptr %193, ptr %8, align 8
  %194 = extractvalue { ptr, i32 } %192, 1
  store i32 %194, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %23) #4
  br label %195

195:                                              ; preds = %191, %187
  call void @llvm.lifetime.end.p0(i64 32, ptr %23) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %22) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  br label %209

196:                                              ; preds = %166
  br label %197

197:                                              ; preds = %196
  %198 = load i32, ptr %20, align 4, !tbaa !5
  %199 = add nsw i32 %198, 1
  store i32 %199, ptr %20, align 4, !tbaa !5
  br label %161, !llvm.loop !10

200:                                              ; preds = %186, %165
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  %201 = load i32, ptr %21, align 4
  switch i32 %201, label %214 [
    i32 2, label %202
    i32 1, label %208
  ]

202:                                              ; preds = %200
  call void @llvm.lifetime.start.p0(i64 1, ptr %24) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %24)
          to label %203 unwind label %204

203:                                              ; preds = %202
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %24) #4
  br label %208

204:                                              ; preds = %202
  %205 = landingpad { ptr, i32 }
          cleanup
  %206 = extractvalue { ptr, i32 } %205, 0
  store ptr %206, ptr %8, align 8
  %207 = extractvalue { ptr, i32 } %205, 1
  store i32 %207, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %24) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %24) #4
  br label %209

208:                                              ; preds = %203, %200, %128, %83, %57, %36, %28
  ret void

209:                                              ; preds = %204, %195, %157, %92, %66, %37
  %210 = load ptr, ptr %8, align 8
  %211 = load i32, ptr %9, align 4
  %212 = insertvalue { ptr, i32 } poison, ptr %210, 0
  %213 = insertvalue { ptr, i32 } %212, i32 %211, 1
  resume { ptr, i32 } %213

214:                                              ; preds = %200
  unreachable
}

; 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) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_OS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nounwind }

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

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


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }

@_Z1AB5cxx11 = external dso_local global %"class.std::__cxx11::basic_string", align 8
@.str = external hidden unnamed_addr constant [1 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z13complementarycc(i8 noundef signext, i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8nussinovii(i32 noundef, i32 noundef) local_unnamed_addr #1

; 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 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 noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::__cxx11::basic_string", align 8
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::allocator", align 1
  %18 = icmp eq i32 %1, %2
  br i1 %18, label %19, label %21

19:                                               ; preds = %3
  %20 = sext i32 %1 to i64
  tail call 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) @_Z1AB5cxx11, i64 noundef %20, i64 noundef 1)
  br label %113

21:                                               ; preds = %3
  %22 = icmp sgt i32 %1, %2
  br i1 %22, label %23, label %27

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %24 unwind label %25

24:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %113

25:                                               ; preds = %23
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %114

27:                                               ; preds = %21
  %28 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %2)
  %29 = add nsw i32 %1, 1
  %30 = tail call noundef i32 @_Z8nussinovii(i32 noundef %29, i32 noundef %2)
  %31 = icmp eq i32 %28, %30
  br i1 %31, label %32, label %41

32:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  %33 = sext i32 %1 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %33, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %6, i32 noundef %29, i32 noundef %2)
          to label %34 unwind label %36

34:                                               ; preds = %32
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_OS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %35 unwind label %38

35:                                               ; preds = %34
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %113

36:                                               ; preds = %32
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %40

38:                                               ; preds = %34
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  br label %40

40:                                               ; preds = %38, %36
  %.pn68 = phi { ptr, i32 } [ %39, %38 ], [ %37, %36 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %114

41:                                               ; preds = %27
  %42 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %2)
  %43 = add nsw i32 %2, -1
  %44 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %43)
  %45 = icmp eq i32 %42, %44
  br i1 %45, label %46, label %55

46:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #4
  %47 = sext i32 %2 to i64
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %47, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #4
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, i32 noundef %1, i32 noundef %43)
          to label %48 unwind label %50

48:                                               ; preds = %46
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %49 unwind label %52

49:                                               ; preds = %48
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  br label %113

50:                                               ; preds = %46
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %54

52:                                               ; preds = %48
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  br label %54

54:                                               ; preds = %52, %50
  %.pn66 = phi { ptr, i32 } [ %53, %52 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #4
  br label %114

55:                                               ; preds = %41
  %56 = sext i32 %1 to i64
  %57 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %56)
  %58 = load i8, ptr %57, align 1, !tbaa !5
  %59 = sext i32 %2 to i64
  %60 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %59)
  %61 = load i8, ptr %60, align 1, !tbaa !5
  %62 = tail call noundef zeroext i1 @_Z13complementarycc(i8 noundef signext %58, i8 noundef signext %61)
  br i1 %62, label %63, label %.preheader

.preheader:                                       ; preds = %63, %55
  br label %92

63:                                               ; preds = %55
  %64 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %2)
  %65 = tail call noundef i32 @_Z8nussinovii(i32 noundef %29, i32 noundef %43)
  %66 = add nsw i32 %65, 1
  %67 = icmp eq i32 %64, %66
  br i1 %67, label %68, label %.preheader

68:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #4
  call void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %9, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %56, i64 noundef 1)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #4
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %10, ptr noundef nonnull align 8 dereferenceable(32) @_Z1AB5cxx11, i64 noundef %59, i64 noundef 1)
          to label %69 unwind label %75

69:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %12) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %13) #4
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %13, ptr noundef nonnull @.str.2, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %70 unwind label %77

70:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %14) #4
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %14, i32 noundef %29, i32 noundef %43)
          to label %71 unwind label %79

71:                                               ; preds = %70
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %72 unwind label %81

72:                                               ; preds = %71
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %73 unwind label %83

73:                                               ; preds = %72
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull @.str.3)
          to label %74 unwind label %85

74:                                               ; preds = %73
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %14) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  br label %113

75:                                               ; preds = %68
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %91

77:                                               ; preds = %69
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %90

79:                                               ; preds = %70
  %80 = landingpad { ptr, i32 }
          cleanup
  br label %89

81:                                               ; preds = %71
  %82 = landingpad { ptr, i32 }
          cleanup
  br label %88

83:                                               ; preds = %72
  %84 = landingpad { ptr, i32 }
          cleanup
  br label %87

85:                                               ; preds = %73
  %86 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  br label %87

87:                                               ; preds = %85, %83
  %.pn60 = phi { ptr, i32 } [ %86, %85 ], [ %84, %83 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #4
  br label %88

88:                                               ; preds = %87, %81
  %.pn60.pn = phi { ptr, i32 } [ %.pn60, %87 ], [ %82, %81 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #4
  br label %89

89:                                               ; preds = %88, %79
  %.pn60.pn.pn = phi { ptr, i32 } [ %.pn60.pn, %88 ], [ %80, %79 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %14) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  br label %90

90:                                               ; preds = %89, %77
  %.pn60.pn.pn.pn = phi { ptr, i32 } [ %.pn60.pn.pn, %89 ], [ %78, %77 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  br label %91

91:                                               ; preds = %90, %75
  %.pn60.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn60.pn.pn.pn, %90 ], [ %76, %75 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  br label %114

92:                                               ; preds = %.preheader, %94
  %.045 = phi i32 [ %97, %94 ], [ %29, %.preheader ]
  %93 = icmp slt i32 %.045, %2
  br i1 %93, label %94, label %109

94:                                               ; preds = %92
  %95 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %2)
  %96 = tail call noundef i32 @_Z8nussinovii(i32 noundef %1, i32 noundef %.045)
  %97 = add nsw i32 %.045, 1
  %98 = tail call noundef i32 @_Z8nussinovii(i32 noundef %97, i32 noundef %2)
  %99 = add nsw i32 %98, %96
  %100 = icmp eq i32 %95, %99
  br i1 %100, label %101, label %92, !llvm.loop !8

101:                                              ; preds = %94
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %15) #4
  call void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %15, i32 noundef %1, i32 noundef %.045)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %16) #4
  invoke void @_Z14get_bracketingB5cxx11ii(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %16, i32 noundef %97, i32 noundef %2)
          to label %102 unwind label %103

102:                                              ; preds = %101
  invoke void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %108 unwind label %105

103:                                              ; preds = %101
  %104 = landingpad { ptr, i32 }
          cleanup
  br label %107

105:                                              ; preds = %102
  %106 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  br label %107

107:                                              ; preds = %105, %103
  %.pn = phi { ptr, i32 } [ %106, %105 ], [ %104, %103 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #4
  br label %114

108:                                              ; preds = %102
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %16) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #4
  br label %113

109:                                              ; preds = %92
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %17) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %110 unwind label %111

110:                                              ; preds = %109
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #4
  br label %113

111:                                              ; preds = %109
  %112 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #4
  br label %114

113:                                              ; preds = %108, %110, %74, %49, %35, %24, %19
  ret void

114:                                              ; preds = %111, %107, %91, %54, %40, %25
  %.pn70 = phi { ptr, i32 } [ %26, %25 ], [ %.pn68, %40 ], [ %.pn66, %54 ], [ %.pn60.pn.pn.pn.pn, %91 ], [ %112, %111 ], [ %.pn, %107 ]
  resume { ptr, i32 } %.pn70
}

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_OS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_PKS5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEOS8_S9_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EEPKS5_RKS8_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { nounwind }

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

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


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