; LLVM IR from Mohammed-Shoaib/Coding-Problems :: Codeforces/Solutions/1330A.ll (Z7rankingiiRSt6vectorIiSaIiEE)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.4" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z7rankingiiRSt6vectorIiSaIiEE(i32 noundef %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.std::vector.0", align 8
  %13 = alloca %"class.std::allocator.4", align 1
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::_Bit_reference", align 8
  %21 = alloca i32, align 4
  %22 = alloca %"struct.std::_Bit_reference", align 8
  %23 = alloca %"struct.std::_Bit_reference", align 8
  %24 = alloca i32, align 4
  %25 = alloca i32, align 4
  %26 = alloca %"struct.std::_Bit_reference", align 8
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %27 = load ptr, ptr %7, align 8, !tbaa !9
  %28 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  %30 = load ptr, ptr %7, align 8, !tbaa !9
  %31 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #5
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %31, ptr %32, align 8
  %33 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8
  %35 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %36 = load ptr, ptr %35, align 8
  %37 = call ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %34, ptr %36)
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %37, ptr %38, align 8
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = add nsw i32 %40, %41
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  store i32 %42, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %12) #5
  %43 = load i32, ptr %8, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  %45 = sext i32 %44 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %12, i64 noundef %45, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %46 unwind label %57

46:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %47 = load ptr, ptr %7, align 8, !tbaa !9
  store ptr %47, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %48 = load ptr, ptr %16, align 8, !tbaa !9
  %49 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %48) #5
  %50 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %49, ptr %50, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  %51 = load ptr, ptr %16, align 8, !tbaa !9
  %52 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %51) #5
  %53 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %52, ptr %53, align 8
  br label %54

54:                                               ; preds = %73, %46
  %55 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #5
  br i1 %55, label %61, label %56

56:                                               ; preds = %54
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %79

57:                                               ; preds = %3
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %14, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %15, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  br label %161

61:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  %63 = load i32, ptr %62, align 4, !tbaa !5
  store i32 %63, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %20) #5
  %64 = load i32, ptr %19, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %12, i64 noundef %65)
          to label %67 unwind label %75

67:                                               ; preds = %61
  %68 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 0
  %69 = extractvalue { ptr, i64 } %66, 0
  store ptr %69, ptr %68, align 8
  %70 = getelementptr inbounds { ptr, i64 }, ptr %20, i32 0, i32 1
  %71 = extractvalue { ptr, i64 } %66, 1
  store i64 %71, ptr %70, align 8
  %72 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %20, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  br label %73

73:                                               ; preds = %67
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  br label %54

75:                                               ; preds = %61
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %14, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %160

79:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #5
  store i32 1, ptr %21, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %122, %79
  %81 = load i32, ptr %21, align 4, !tbaa !5
  %82 = load i32, ptr %8, align 4, !tbaa !5
  %83 = icmp sle i32 %81, %82
  br i1 %83, label %84, label %87

84:                                               ; preds = %80
  %85 = load i32, ptr %6, align 4, !tbaa !5
  %86 = icmp ne i32 %85, 0
  br label %87

87:                                               ; preds = %84, %80
  %88 = phi i1 [ false, %80 ], [ %86, %84 ]
  br i1 %88, label %90, label %89

89:                                               ; preds = %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #5
  br label %126

90:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 16, ptr %22) #5
  %91 = load i32, ptr %21, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %12, i64 noundef %92)
          to label %94 unwind label %113

94:                                               ; preds = %90
  %95 = getelementptr inbounds { ptr, i64 }, ptr %22, i32 0, i32 0
  %96 = extractvalue { ptr, i64 } %93, 0
  store ptr %96, ptr %95, align 8
  %97 = getelementptr inbounds { ptr, i64 }, ptr %22, i32 0, i32 1
  %98 = extractvalue { ptr, i64 } %93, 1
  store i64 %98, ptr %97, align 8
  %99 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %22) #5
  %100 = xor i1 %99, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #5
  br i1 %100, label %101, label %121

101:                                              ; preds = %94
  %102 = load i32, ptr %6, align 4, !tbaa !5
  %103 = add nsw i32 %102, -1
  store i32 %103, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %23) #5
  %104 = load i32, ptr %21, align 4, !tbaa !5
  %105 = sext i32 %104 to i64
  %106 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %12, i64 noundef %105)
          to label %107 unwind label %117

107:                                              ; preds = %101
  %108 = getelementptr inbounds { ptr, i64 }, ptr %23, i32 0, i32 0
  %109 = extractvalue { ptr, i64 } %106, 0
  store ptr %109, ptr %108, align 8
  %110 = getelementptr inbounds { ptr, i64 }, ptr %23, i32 0, i32 1
  %111 = extractvalue { ptr, i64 } %106, 1
  store i64 %111, ptr %110, align 8
  %112 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %23, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %23) #5
  br label %121

113:                                              ; preds = %90
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %14, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %22) #5
  br label %125

117:                                              ; preds = %101
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %14, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %23) #5
  br label %125

121:                                              ; preds = %107, %94
  br label %122

122:                                              ; preds = %121
  %123 = load i32, ptr %21, align 4, !tbaa !5
  %124 = add nsw i32 %123, 1
  store i32 %124, ptr %21, align 4, !tbaa !5
  br label %80, !llvm.loop !11

125:                                              ; preds = %117, %113
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #5
  br label %160

126:                                              ; preds = %89
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #5
  store i32 1, ptr %24, align 4, !tbaa !5
  br label %127

127:                                              ; preds = %151, %126
  %128 = load i32, ptr %24, align 4, !tbaa !5
  %129 = load i32, ptr %8, align 4, !tbaa !5
  %130 = icmp sle i32 %128, %129
  br i1 %130, label %132, label %131

131:                                              ; preds = %127
  store i32 7, ptr %25, align 4
  br label %154

132:                                              ; preds = %127
  call void @llvm.lifetime.start.p0(i64 16, ptr %26) #5
  %133 = load i32, ptr %24, align 4, !tbaa !5
  %134 = sext i32 %133 to i64
  %135 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %12, i64 noundef %134)
          to label %136 unwind label %146

136:                                              ; preds = %132
  %137 = getelementptr inbounds { ptr, i64 }, ptr %26, i32 0, i32 0
  %138 = extractvalue { ptr, i64 } %135, 0
  store ptr %138, ptr %137, align 8
  %139 = getelementptr inbounds { ptr, i64 }, ptr %26, i32 0, i32 1
  %140 = extractvalue { ptr, i64 } %135, 1
  store i64 %140, ptr %139, align 8
  %141 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %26) #5
  %142 = xor i1 %141, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %26) #5
  br i1 %142, label %143, label %150

143:                                              ; preds = %136
  %144 = load i32, ptr %24, align 4, !tbaa !5
  %145 = sub nsw i32 %144, 1
  store i32 %145, ptr %4, align 4
  store i32 1, ptr %25, align 4
  br label %154

146:                                              ; preds = %132
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %14, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %26) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #5
  br label %160

150:                                              ; preds = %136
  br label %151

151:                                              ; preds = %150
  %152 = load i32, ptr %24, align 4, !tbaa !5
  %153 = add nsw i32 %152, 1
  store i32 %153, ptr %24, align 4, !tbaa !5
  br label %127, !llvm.loop !13

154:                                              ; preds = %143, %131
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #5
  %155 = load i32, ptr %25, align 4
  switch i32 %155, label %158 [
    i32 7, label %156
  ]

156:                                              ; preds = %154
  %157 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %157, ptr %4, align 4
  store i32 1, ptr %25, align 4
  br label %158

158:                                              ; preds = %156, %154
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %12) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  %159 = load i32, ptr %4, align 4
  ret i32 %159

160:                                              ; preds = %146, %125, %75
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %12) #5
  br label %161

161:                                              ; preds = %160, %57
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %162

162:                                              ; preds = %161
  %163 = load ptr, ptr %14, align 8
  %164 = load i32, ptr %15, align 4
  %165 = insertvalue { ptr, i32 } poison, ptr %163, 0
  %166 = insertvalue { ptr, i32 } %165, i32 %164, 1
  resume { ptr, i32 } %166
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, 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 @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress 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 #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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

%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.4" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z7rankingiiRSt6vectorIiSaIiEE(i32 noundef %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca %"class.std::allocator.4", align 1
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"struct.std::_Bit_reference", align 8
  %10 = alloca %"struct.std::_Bit_reference", align 8
  %11 = alloca %"struct.std::_Bit_reference", align 8
  %12 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %13 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %14 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %15 = tail call ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %13, ptr %14)
  store ptr %15, ptr %4, align 8
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %17 = load i32, ptr %16, align 4, !tbaa !5
  %18 = add i32 %17, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #5
  %19 = add i32 %18, 1
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %21 unwind label %32

21:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %22 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  store ptr %22, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %23 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  store ptr %23, ptr %8, align 8
  %24 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %24, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %21
  %25 = getelementptr inbounds i8, ptr %9, i64 8
  br label %34

._crit_edge:                                      ; preds = %39, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %26 = icmp sgt i32 %18, 0
  %27 = icmp ne i32 %1, 0
  %28 = and i1 %26, %27
  br i1 %28, label %.lr.ph44, label %.preheader

.lr.ph44:                                         ; preds = %._crit_edge
  %29 = getelementptr inbounds i8, ptr %10, i64 8
  %30 = getelementptr inbounds i8, ptr %11, i64 8
  %31 = zext nneg i32 %18 to i64
  br label %48

32:                                               ; preds = %3
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %82

34:                                               ; preds = %.lr.ph, %39
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %36 = load i32, ptr %35, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #5
  %37 = sext i32 %36 to i64
  %38 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %37)
          to label %39 unwind label %45

39:                                               ; preds = %34
  %40 = extractvalue { ptr, i64 } %38, 0
  store ptr %40, ptr %9, align 8
  %41 = extractvalue { ptr, i64 } %38, 1
  store i64 %41, ptr %25, align 8
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %9, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %44 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %44, label %34, label %._crit_edge

45:                                               ; preds = %34
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  br label %81

.preheader:                                       ; preds = %65, %._crit_edge
  %.not45 = icmp slt i32 %18, 1
  br i1 %.not45, label %.loopexit, label %.lr.ph47

.lr.ph47:                                         ; preds = %.preheader
  %47 = getelementptr inbounds i8, ptr %12, i64 8
  %wide.trip.count = zext i32 %19 to i64
  br label %69

48:                                               ; preds = %.lr.ph44, %65
  %indvars.iv = phi i64 [ 1, %.lr.ph44 ], [ %indvars.iv.next, %65 ]
  %.02841 = phi i32 [ %1, %.lr.ph44 ], [ %.129, %65 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #5
  %49 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %indvars.iv)
          to label %50 unwind label %61

50:                                               ; preds = %48
  %51 = extractvalue { ptr, i64 } %49, 0
  store ptr %51, ptr %10, align 8
  %52 = extractvalue { ptr, i64 } %49, 1
  store i64 %52, ptr %29, align 8
  %53 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %10) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #5
  br i1 %53, label %65, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %11) #5
  %55 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %indvars.iv)
          to label %56 unwind label %63

56:                                               ; preds = %54
  %57 = add nsw i32 %.02841, -1
  %58 = extractvalue { ptr, i64 } %55, 0
  store ptr %58, ptr %11, align 8
  %59 = extractvalue { ptr, i64 } %55, 1
  store i64 %59, ptr %30, align 8
  %60 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %11, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #5
  br label %65

61:                                               ; preds = %48
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #5
  br label %81

63:                                               ; preds = %54
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %11) #5
  br label %81

65:                                               ; preds = %50, %56
  %.129 = phi i32 [ %57, %56 ], [ %.02841, %50 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %66 = icmp ult i64 %indvars.iv, %31
  %67 = icmp ne i32 %.129, 0
  %68 = select i1 %66, i1 %67, i1 false
  br i1 %68, label %48, label %.preheader, !llvm.loop !9

69:                                               ; preds = %.lr.ph47, %80
  %indvars.iv51 = phi i64 [ 1, %.lr.ph47 ], [ %indvars.iv.next52, %80 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %12) #5
  %70 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %5, i64 noundef %indvars.iv51)
          to label %71 unwind label %78

71:                                               ; preds = %69
  %72 = extractvalue { ptr, i64 } %70, 0
  store ptr %72, ptr %12, align 8
  %73 = extractvalue { ptr, i64 } %70, 1
  store i64 %73, ptr %47, align 8
  %74 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %12) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #5
  br i1 %74, label %80, label %75

75:                                               ; preds = %71
  %76 = trunc nuw nsw i64 %indvars.iv51 to i32
  %77 = add nsw i32 %76, -1
  br label %.loopexit

78:                                               ; preds = %69
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %12) #5
  br label %81

80:                                               ; preds = %71
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next52, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %69, !llvm.loop !11

.loopexit:                                        ; preds = %80, %.preheader, %75
  %spec.select = phi i32 [ %77, %75 ], [ %18, %.preheader ], [ %18, %80 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #5
  ret i32 %spec.select

81:                                               ; preds = %61, %63, %78, %45
  %.pn36 = phi { ptr, i32 } [ %46, %45 ], [ %79, %78 ], [ %64, %63 ], [ %62, %61 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %5) #5
  br label %82

82:                                               ; preds = %81, %32
  %.pn36.pn = phi { ptr, i32 } [ %.pn36, %81 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #5
  resume { ptr, i32 } %.pn36.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, 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 @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress 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 #5 = { nounwind }

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

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


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