; LLVM IR from Mohammed-Shoaib/Coding-Problems :: Codeforces/Solutions/1330C.ll (Z8coloringiiRSt6vectorIiSaIiEE)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8coloringiiRSt6vectorIiSaIiEE(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 ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  %18 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  store i8 1, ptr %7, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #5
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %21 unwind label %32

21:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #5
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %25 unwind label %36

25:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorIxED2Ev(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 4, ptr %14) #5
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = sub nsw i32 %26, 1
  store i32 %27, ptr %14, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %58, %25
  %29 = load i32, ptr %14, align 4, !tbaa !5
  %30 = icmp sge i32 %29, 0
  br i1 %30, label %40, label %31

31:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %61

32:                                               ; preds = %3
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %10, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %158

36:                                               ; preds = %21
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %10, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  br label %157

40:                                               ; preds = %28
  %41 = load ptr, ptr %6, align 8, !tbaa !9
  %42 = load i32, ptr %14, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %41, i64 noundef %43) #5
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = load i32, ptr %14, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %49) #5
  %51 = load i64, ptr %50, align 8, !tbaa !13
  %52 = add nsw i64 %46, %51
  %53 = load i32, ptr %14, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %54) #5
  %56 = load i64, ptr %55, align 8, !tbaa !13
  %57 = add nsw i64 %56, %52
  store i64 %57, ptr %55, align 8, !tbaa !13
  br label %58

58:                                               ; preds = %40
  %59 = load i32, ptr %14, align 4, !tbaa !5
  %60 = add nsw i32 %59, -1
  store i32 %60, ptr %14, align 4, !tbaa !5
  br label %28, !llvm.loop !15

61:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %62

62:                                               ; preds = %101, %61
  %63 = load i32, ptr %15, align 4, !tbaa !5
  %64 = load i32, ptr %5, align 4, !tbaa !5
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %67, label %66

66:                                               ; preds = %62
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %108

67:                                               ; preds = %62
  %68 = load i32, ptr %4, align 4, !tbaa !5
  %69 = load ptr, ptr %6, align 8, !tbaa !9
  %70 = load i32, ptr %15, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %69, i64 noundef %71) #5
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = sub nsw i32 %68, %73
  %75 = load i32, ptr %15, align 4, !tbaa !5
  %76 = icmp sge i32 %74, %75
  %77 = zext i1 %76 to i32
  %78 = load i8, ptr %7, align 1, !tbaa !11, !range !17, !noundef !18
  %79 = trunc i8 %78 to i1
  %80 = zext i1 %79 to i32
  %81 = and i32 %80, %77
  %82 = icmp ne i32 %81, 0
  %83 = zext i1 %82 to i8
  store i8 %83, ptr %7, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %84 = load i32, ptr %15, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = add nsw i64 %85, 1
  store i64 %86, ptr %16, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %87 = load i32, ptr %4, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = load i32, ptr %15, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %90) #5
  %92 = load i64, ptr %91, align 8, !tbaa !13
  %93 = sub nsw i64 %88, %92
  %94 = add nsw i64 %93, 1
  store i64 %94, ptr %17, align 8, !tbaa !13
  %95 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17)
          to label %96 unwind label %104

96:                                               ; preds = %67
  %97 = load i64, ptr %95, align 8, !tbaa !13
  %98 = load i32, ptr %15, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %99) #5
  store i64 %97, ptr %100, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %101

101:                                              ; preds = %96
  %102 = load i32, ptr %15, align 4, !tbaa !5
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr %15, align 4, !tbaa !5
  br label %62, !llvm.loop !19

104:                                              ; preds = %67
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %10, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %156

108:                                              ; preds = %66
  %109 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef 0) #5
  %110 = load i64, ptr %109, align 8, !tbaa !13
  %111 = load i32, ptr %4, align 4, !tbaa !5
  %112 = sext i32 %111 to i64
  %113 = icmp sge i64 %110, %112
  %114 = zext i1 %113 to i32
  %115 = load i8, ptr %7, align 1, !tbaa !11, !range !17, !noundef !18
  %116 = trunc i8 %115 to i1
  %117 = zext i1 %116 to i32
  %118 = and i32 %117, %114
  %119 = icmp ne i32 %118, 0
  %120 = zext i1 %119 to i8
  store i8 %120, ptr %7, align 1, !tbaa !11
  %121 = load i8, ptr %7, align 1, !tbaa !11, !range !17, !noundef !18
  %122 = trunc i8 %121 to i1
  br i1 %122, label %132, label %123

123:                                              ; preds = %108
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %125 unwind label %128

125:                                              ; preds = %123
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %124, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %127 unwind label %128

127:                                              ; preds = %125
  br label %155

128:                                              ; preds = %125, %123
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %10, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %11, align 4
  br label %156

132:                                              ; preds = %108
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  store i32 0, ptr %18, align 4, !tbaa !5
  br label %133

133:                                              ; preds = %147, %132
  %134 = load i32, ptr %18, align 4, !tbaa !5
  %135 = load i32, ptr %5, align 4, !tbaa !5
  %136 = icmp slt i32 %134, %135
  br i1 %136, label %138, label %137

137:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %154

138:                                              ; preds = %133
  %139 = load i32, ptr %18, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %140) #5
  %142 = load i64, ptr %141, align 8, !tbaa !13
  %143 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %142)
          to label %144 unwind label %150

144:                                              ; preds = %138
  %145 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %143, ptr noundef @.str.1)
          to label %146 unwind label %150

146:                                              ; preds = %144
  br label %147

147:                                              ; preds = %146
  %148 = load i32, ptr %18, align 4, !tbaa !5
  %149 = add nsw i32 %148, 1
  store i32 %149, ptr %18, align 4, !tbaa !5
  br label %133, !llvm.loop !20

150:                                              ; preds = %144, %138
  %151 = landingpad { ptr, i32 }
          cleanup
  %152 = extractvalue { ptr, i32 } %151, 0
  store ptr %152, ptr %10, align 8
  %153 = extractvalue { ptr, i32 } %151, 1
  store i32 %153, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %156

154:                                              ; preds = %137
  br label %155

155:                                              ; preds = %154, %127
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  ret void

156:                                              ; preds = %150, %128, %104
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  br label %157

157:                                              ; preds = %156, %36
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %158

158:                                              ; preds = %157, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  br label %159

159:                                              ; preds = %158
  %160 = load ptr, ptr %10, align 8
  %161 = load i32, ptr %11, align 4
  %162 = insertvalue { ptr, i32 } poison, ptr %160, 0
  %163 = insertvalue { ptr, i32 } %162, i32 %161, 1
  resume { ptr, i32 } %163
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"long long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !16}
!20 = distinct !{!20, !16}


; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8coloringiiRSt6vectorIiSaIiEE(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.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  %10 = sext i32 %1 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %11 unwind label %19

11:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #5
  %12 = add nsw i32 %1, 1
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #5
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %21

14:                                               ; preds = %11
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  %15 = icmp sgt i32 %1, 0
  br i1 %15, label %.lr.ph.preheader, label %.preheader40.._crit_edge_crit_edge

.lr.ph.preheader:                                 ; preds = %14
  %16 = zext nneg i32 %1 to i64
  br label %.lr.ph

.preheader40:                                     ; preds = %.lr.ph
  br i1 %15, label %.lr.ph44, label %.preheader40.._crit_edge_crit_edge

.preheader40.._crit_edge_crit_edge:               ; preds = %14, %.preheader40
  %.pre = sext i32 %0 to i64
  br label %._crit_edge

.lr.ph44:                                         ; preds = %.preheader40
  %17 = sext i32 %0 to i64
  %18 = add nsw i64 %17, 1
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %37

19:                                               ; preds = %3
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %67

21:                                               ; preds = %11
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  br label %66

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %16, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv.next) #5
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv) #5
  %27 = load i64, ptr %26, align 8, !tbaa !9
  %28 = add nsw i64 %27, %25
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv.next) #5
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = add nsw i64 %28, %30
  store i64 %31, ptr %29, align 8, !tbaa !9
  %32 = icmp ugt i64 %indvars.iv, 1
  br i1 %32, label %.lr.ph, label %.preheader40, !llvm.loop !11

._crit_edge:                                      ; preds = %37, %.preheader40.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.preheader40.._crit_edge_crit_edge ], [ %17, %37 ]
  %.035.lcssa = phi i1 [ true, %.preheader40.._crit_edge_crit_edge ], [ %43, %37 ]
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  %34 = load i64, ptr %33, align 8, !tbaa !9
  %35 = icmp sge i64 %34, %.pre-phi
  %36 = and i1 %.035.lcssa, %35
  br i1 %36, label %.preheader, label %51

.preheader:                                       ; preds = %._crit_edge
  br i1 %15, label %.lr.ph46.preheader, label %.loopexit

.lr.ph46.preheader:                               ; preds = %.preheader
  %wide.trip.count53 = zext nneg i32 %1 to i64
  br label %.lr.ph46

37:                                               ; preds = %.lr.ph44, %37
  %indvars.iv48 = phi i64 [ 0, %.lr.ph44 ], [ %44, %37 ]
  %.03542 = phi i1 [ true, %.lr.ph44 ], [ %43, %37 ]
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv48) #5
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sub nsw i32 %0, %39
  %41 = sext i32 %40 to i64
  %42 = icmp sle i64 %indvars.iv48, %41
  %43 = and i1 %.03542, %42
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %44 = add nuw nsw i64 %indvars.iv48, 1
  store i64 %44, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv48) #5
  %46 = load i64, ptr %45, align 8, !tbaa !9
  %47 = sub i64 %18, %46
  store i64 %47, ptr %9, align 8, !tbaa !9
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %49 = load i64, ptr %48, align 8, !tbaa !9
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv48) #5
  store i64 %49, ptr %50, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  %exitcond.not = icmp eq i64 %44, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %37, !llvm.loop !13

51:                                               ; preds = %._crit_edge
  %52 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %53 unwind label %55

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %52, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.loopexit unwind label %55

55:                                               ; preds = %53, %51
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %65

.lr.ph46:                                         ; preds = %.lr.ph46.preheader, %62
  %indvars.iv50 = phi i64 [ 0, %.lr.ph46.preheader ], [ %indvars.iv.next51, %62 ]
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv50) #5
  %58 = load i64, ptr %57, align 8, !tbaa !9
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %58)
          to label %60 unwind label %63

60:                                               ; preds = %.lr.ph46
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @.str.1)
          to label %62 unwind label %63

62:                                               ; preds = %60
  %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1
  %exitcond54.not = icmp eq i64 %indvars.iv.next51, %wide.trip.count53
  br i1 %exitcond54.not, label %.loopexit, label %.lr.ph46, !llvm.loop !14

63:                                               ; preds = %60, %.lr.ph46
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %65

.loopexit:                                        ; preds = %62, %.preheader, %53
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  ret void

65:                                               ; preds = %63, %55
  %.pn = phi { ptr, i32 } [ %64, %63 ], [ %56, %55 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %66

66:                                               ; preds = %65, %21
  %.pn.pn = phi { ptr, i32 } [ %.pn, %65 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %67

67:                                               ; preds = %66, %19
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %66 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn.pn.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3maxIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


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