; LLVM IR from tangjz/acm-icpc :: hdu/5004.ll (Z8getGraphii)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@dsu = external dso_local global [161 x i32], align 16
@idx = external dso_local global [161 x i32], align 16
@sz = external dso_local global [9 x i32], align 16
@rep = external dso_local global [9 x [161 x i32]], align 16
@col = external dso_local global [9 x [161 x i32]], align 16
@msk = external dso_local global [9 x [161 x i32]], align 16
@buf = external dso_local global [17 x [11 x i8]], align 16
@e = external dso_local global [9 x [161 x %"class.std::vector"]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8dsu_findi(i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9dsu_mergeii(i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8getGraphii(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca ptr, align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  %24 = alloca %"class.std::vector", align 8
  %25 = alloca i32, align 4
  %26 = alloca i32, align 4
  %27 = alloca ptr, align 8
  %28 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %29 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %30 = alloca i32, align 4
  %31 = alloca i32, align 4
  %32 = alloca i32, align 4
  %33 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %34 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %35 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %36 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %37 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %38 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %39 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %40 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %41 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = icmp ne i32 %42, 0
  br i1 %43, label %362, label %44

44:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 160, ptr %6, align 4, !tbaa !5
  %45 = load i32, ptr %6, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = mul i64 %46, 4
  call void @llvm.memset.p0.i64(ptr align 16 @dsu, i8 -1, i64 %47, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %118, %44
  %49 = load i32, ptr %7, align 4, !tbaa !5
  %50 = icmp slt i32 %49, 16
  br i1 %50, label %52, label %51

51:                                               ; preds = %48
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %121

52:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %53

53:                                               ; preds = %114, %52
  %54 = load i32, ptr %9, align 4, !tbaa !5
  %55 = icmp slt i32 %54, 10
  br i1 %55, label %57, label %56

56:                                               ; preds = %53
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %117

57:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %58 = load i32, ptr %9, align 4, !tbaa !5
  %59 = shl i32 %58, 4
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = or i32 %59, %60
  store i32 %61, ptr %10, align 4, !tbaa !5
  %62 = load i32, ptr %7, align 4, !tbaa !5
  %63 = icmp ne i32 %62, 0
  br i1 %63, label %64, label %87

64:                                               ; preds = %57
  %65 = load i32, ptr %7, align 4, !tbaa !5
  %66 = sub nsw i32 %65, 1
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %67
  %69 = load i32, ptr %9, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [11 x i8], ptr %68, i64 0, i64 %70
  %72 = load i8, ptr %71, align 1, !tbaa !9
  %73 = sext i8 %72 to i32
  %74 = load i32, ptr %7, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %75
  %77 = load i32, ptr %9, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [11 x i8], ptr %76, i64 0, i64 %78
  %80 = load i8, ptr %79, align 1, !tbaa !9
  %81 = sext i8 %80 to i32
  %82 = icmp eq i32 %73, %81
  br i1 %82, label %83, label %87

83:                                               ; preds = %64
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = load i32, ptr %10, align 4, !tbaa !5
  %86 = sub nsw i32 %85, 1
  call void @_Z9dsu_mergeii(i32 noundef %84, i32 noundef %86)
  br label %87

87:                                               ; preds = %83, %64, %57
  %88 = load i32, ptr %9, align 4, !tbaa !5
  %89 = icmp ne i32 %88, 0
  br i1 %89, label %90, label %113

90:                                               ; preds = %87
  %91 = load i32, ptr %7, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %92
  %94 = load i32, ptr %9, align 4, !tbaa !5
  %95 = sub nsw i32 %94, 1
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds [11 x i8], ptr %93, i64 0, i64 %96
  %98 = load i8, ptr %97, align 1, !tbaa !9
  %99 = sext i8 %98 to i32
  %100 = load i32, ptr %7, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %101
  %103 = load i32, ptr %9, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = getelementptr inbounds [11 x i8], ptr %102, i64 0, i64 %104
  %106 = load i8, ptr %105, align 1, !tbaa !9
  %107 = sext i8 %106 to i32
  %108 = icmp eq i32 %99, %107
  br i1 %108, label %109, label %113

109:                                              ; preds = %90
  %110 = load i32, ptr %10, align 4, !tbaa !5
  %111 = load i32, ptr %10, align 4, !tbaa !5
  %112 = sub nsw i32 %111, 16
  call void @_Z9dsu_mergeii(i32 noundef %110, i32 noundef %112)
  br label %113

113:                                              ; preds = %109, %90, %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %9, align 4, !tbaa !5
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %9, align 4, !tbaa !5
  br label %53, !llvm.loop !10

117:                                              ; preds = %56
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %7, align 4, !tbaa !5
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %7, align 4, !tbaa !5
  br label %48, !llvm.loop !12

121:                                              ; preds = %51
  %122 = load i32, ptr %4, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %123
  store i32 0, ptr %124, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %125

125:                                              ; preds = %193, %121
  %126 = load i32, ptr %11, align 4, !tbaa !5
  %127 = load i32, ptr %6, align 4, !tbaa !5
  %128 = icmp slt i32 %126, %127
  br i1 %128, label %130, label %129

129:                                              ; preds = %125
  store i32 8, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %196

130:                                              ; preds = %125
  %131 = load i32, ptr %11, align 4, !tbaa !5
  %132 = call noundef i32 @_Z8dsu_findi(i32 noundef %131)
  %133 = load i32, ptr %11, align 4, !tbaa !5
  %134 = icmp eq i32 %132, %133
  br i1 %134, label %135, label %192

135:                                              ; preds = %130
  %136 = load i32, ptr %4, align 4, !tbaa !5
  %137 = sext i32 %136 to i64
  %138 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %137
  %139 = load i32, ptr %138, align 4, !tbaa !5
  %140 = add nsw i32 %139, 1
  store i32 %140, ptr %138, align 4, !tbaa !5
  %141 = load i32, ptr %11, align 4, !tbaa !5
  %142 = sext i32 %141 to i64
  %143 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %142
  store i32 %139, ptr %143, align 4, !tbaa !5
  %144 = load i32, ptr %11, align 4, !tbaa !5
  %145 = load i32, ptr %4, align 4, !tbaa !5
  %146 = sext i32 %145 to i64
  %147 = getelementptr inbounds [9 x [161 x i32]], ptr @rep, i64 0, i64 %146
  %148 = load i32, ptr %11, align 4, !tbaa !5
  %149 = sext i32 %148 to i64
  %150 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %149
  %151 = load i32, ptr %150, align 4, !tbaa !5
  %152 = sext i32 %151 to i64
  %153 = getelementptr inbounds [161 x i32], ptr %147, i64 0, i64 %152
  store i32 %144, ptr %153, align 4, !tbaa !5
  %154 = load i32, ptr %11, align 4, !tbaa !5
  %155 = and i32 %154, 15
  %156 = sext i32 %155 to i64
  %157 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %156
  %158 = load i32, ptr %11, align 4, !tbaa !5
  %159 = ashr i32 %158, 4
  %160 = sext i32 %159 to i64
  %161 = getelementptr inbounds [11 x i8], ptr %157, i64 0, i64 %160
  %162 = load i8, ptr %161, align 1, !tbaa !9
  %163 = sext i8 %162 to i32
  %164 = sub nsw i32 %163, 49
  %165 = load i32, ptr %4, align 4, !tbaa !5
  %166 = sext i32 %165 to i64
  %167 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %166
  %168 = load i32, ptr %11, align 4, !tbaa !5
  %169 = sext i32 %168 to i64
  %170 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %169
  %171 = load i32, ptr %170, align 4, !tbaa !5
  %172 = sext i32 %171 to i64
  %173 = getelementptr inbounds [161 x i32], ptr %167, i64 0, i64 %172
  store i32 %164, ptr %173, align 4, !tbaa !5
  %174 = load i32, ptr %4, align 4, !tbaa !5
  %175 = sext i32 %174 to i64
  %176 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %175
  %177 = load i32, ptr %11, align 4, !tbaa !5
  %178 = sext i32 %177 to i64
  %179 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %178
  %180 = load i32, ptr %179, align 4, !tbaa !5
  %181 = sext i32 %180 to i64
  %182 = getelementptr inbounds [161 x i32], ptr %176, i64 0, i64 %181
  store i32 0, ptr %182, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #6
  call void @llvm.memset.p0.i64(ptr align 8 %12, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  %183 = load i32, ptr %4, align 4, !tbaa !5
  %184 = sext i32 %183 to i64
  %185 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %184
  %186 = load i32, ptr %11, align 4, !tbaa !5
  %187 = sext i32 %186 to i64
  %188 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %187
  %189 = load i32, ptr %188, align 4, !tbaa !5
  %190 = sext i32 %189 to i64
  %191 = getelementptr inbounds [161 x %"class.std::vector"], ptr %185, i64 0, i64 %190
  call void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %191) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #6
  br label %192

192:                                              ; preds = %135, %130
  br label %193

193:                                              ; preds = %192
  %194 = load i32, ptr %11, align 4, !tbaa !5
  %195 = add nsw i32 %194, 1
  store i32 %195, ptr %11, align 4, !tbaa !5
  br label %125, !llvm.loop !13

196:                                              ; preds = %129
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %197

197:                                              ; preds = %358, %196
  %198 = load i32, ptr %13, align 4, !tbaa !5
  %199 = load i32, ptr %6, align 4, !tbaa !5
  %200 = icmp slt i32 %198, %199
  br i1 %200, label %202, label %201

201:                                              ; preds = %197
  store i32 11, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %361

202:                                              ; preds = %197
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %203 = load i32, ptr %13, align 4, !tbaa !5
  %204 = call noundef i32 @_Z8dsu_findi(i32 noundef %203)
  %205 = sext i32 %204 to i64
  %206 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %205
  %207 = load i32, ptr %206, align 4, !tbaa !5
  store i32 %207, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  %208 = load i32, ptr %13, align 4, !tbaa !5
  %209 = and i32 %208, 15
  store i32 %209, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  %210 = load i32, ptr %13, align 4, !tbaa !5
  %211 = ashr i32 %210, 4
  store i32 %211, ptr %16, align 4, !tbaa !5
  %212 = load i32, ptr %15, align 4, !tbaa !5
  %213 = icmp ne i32 %212, 0
  br i1 %213, label %214, label %284

214:                                              ; preds = %202
  %215 = load i32, ptr %15, align 4, !tbaa !5
  %216 = sub nsw i32 %215, 1
  %217 = sext i32 %216 to i64
  %218 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %217
  %219 = load i32, ptr %16, align 4, !tbaa !5
  %220 = sext i32 %219 to i64
  %221 = getelementptr inbounds [11 x i8], ptr %218, i64 0, i64 %220
  %222 = load i8, ptr %221, align 1, !tbaa !9
  %223 = sext i8 %222 to i32
  %224 = load i32, ptr %15, align 4, !tbaa !5
  %225 = sext i32 %224 to i64
  %226 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %225
  %227 = load i32, ptr %16, align 4, !tbaa !5
  %228 = sext i32 %227 to i64
  %229 = getelementptr inbounds [11 x i8], ptr %226, i64 0, i64 %228
  %230 = load i8, ptr %229, align 1, !tbaa !9
  %231 = sext i8 %230 to i32
  %232 = icmp ne i32 %223, %231
  br i1 %232, label %233, label %284

233:                                              ; preds = %214
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  %234 = load i32, ptr %13, align 4, !tbaa !5
  %235 = sub nsw i32 %234, 1
  %236 = call noundef i32 @_Z8dsu_findi(i32 noundef %235)
  %237 = sext i32 %236 to i64
  %238 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %237
  %239 = load i32, ptr %238, align 4, !tbaa !5
  store i32 %239, ptr %17, align 4, !tbaa !5
  %240 = load i32, ptr %4, align 4, !tbaa !5
  %241 = sext i32 %240 to i64
  %242 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %241
  %243 = load i32, ptr %17, align 4, !tbaa !5
  %244 = sext i32 %243 to i64
  %245 = getelementptr inbounds [161 x i32], ptr %242, i64 0, i64 %244
  %246 = load i32, ptr %245, align 4, !tbaa !5
  %247 = shl i32 1, %246
  %248 = load i32, ptr %4, align 4, !tbaa !5
  %249 = sext i32 %248 to i64
  %250 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %249
  %251 = load i32, ptr %14, align 4, !tbaa !5
  %252 = sext i32 %251 to i64
  %253 = getelementptr inbounds [161 x i32], ptr %250, i64 0, i64 %252
  %254 = load i32, ptr %253, align 4, !tbaa !5
  %255 = or i32 %254, %247
  store i32 %255, ptr %253, align 4, !tbaa !5
  %256 = load i32, ptr %4, align 4, !tbaa !5
  %257 = sext i32 %256 to i64
  %258 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %257
  %259 = load i32, ptr %14, align 4, !tbaa !5
  %260 = sext i32 %259 to i64
  %261 = getelementptr inbounds [161 x %"class.std::vector"], ptr %258, i64 0, i64 %260
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %261, ptr noundef nonnull align 4 dereferenceable(4) %17)
  %262 = load i32, ptr %4, align 4, !tbaa !5
  %263 = sext i32 %262 to i64
  %264 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %263
  %265 = load i32, ptr %14, align 4, !tbaa !5
  %266 = sext i32 %265 to i64
  %267 = getelementptr inbounds [161 x i32], ptr %264, i64 0, i64 %266
  %268 = load i32, ptr %267, align 4, !tbaa !5
  %269 = shl i32 1, %268
  %270 = load i32, ptr %4, align 4, !tbaa !5
  %271 = sext i32 %270 to i64
  %272 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %271
  %273 = load i32, ptr %17, align 4, !tbaa !5
  %274 = sext i32 %273 to i64
  %275 = getelementptr inbounds [161 x i32], ptr %272, i64 0, i64 %274
  %276 = load i32, ptr %275, align 4, !tbaa !5
  %277 = or i32 %276, %269
  store i32 %277, ptr %275, align 4, !tbaa !5
  %278 = load i32, ptr %4, align 4, !tbaa !5
  %279 = sext i32 %278 to i64
  %280 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %279
  %281 = load i32, ptr %17, align 4, !tbaa !5
  %282 = sext i32 %281 to i64
  %283 = getelementptr inbounds [161 x %"class.std::vector"], ptr %280, i64 0, i64 %282
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %283, ptr noundef nonnull align 4 dereferenceable(4) %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %284

284:                                              ; preds = %233, %214, %202
  %285 = load i32, ptr %16, align 4, !tbaa !5
  %286 = icmp ne i32 %285, 0
  br i1 %286, label %287, label %357

287:                                              ; preds = %284
  %288 = load i32, ptr %15, align 4, !tbaa !5
  %289 = sext i32 %288 to i64
  %290 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %289
  %291 = load i32, ptr %16, align 4, !tbaa !5
  %292 = sub nsw i32 %291, 1
  %293 = sext i32 %292 to i64
  %294 = getelementptr inbounds [11 x i8], ptr %290, i64 0, i64 %293
  %295 = load i8, ptr %294, align 1, !tbaa !9
  %296 = sext i8 %295 to i32
  %297 = load i32, ptr %15, align 4, !tbaa !5
  %298 = sext i32 %297 to i64
  %299 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %298
  %300 = load i32, ptr %16, align 4, !tbaa !5
  %301 = sext i32 %300 to i64
  %302 = getelementptr inbounds [11 x i8], ptr %299, i64 0, i64 %301
  %303 = load i8, ptr %302, align 1, !tbaa !9
  %304 = sext i8 %303 to i32
  %305 = icmp ne i32 %296, %304
  br i1 %305, label %306, label %357

306:                                              ; preds = %287
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %307 = load i32, ptr %13, align 4, !tbaa !5
  %308 = sub nsw i32 %307, 16
  %309 = call noundef i32 @_Z8dsu_findi(i32 noundef %308)
  %310 = sext i32 %309 to i64
  %311 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %310
  %312 = load i32, ptr %311, align 4, !tbaa !5
  store i32 %312, ptr %18, align 4, !tbaa !5
  %313 = load i32, ptr %4, align 4, !tbaa !5
  %314 = sext i32 %313 to i64
  %315 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %314
  %316 = load i32, ptr %18, align 4, !tbaa !5
  %317 = sext i32 %316 to i64
  %318 = getelementptr inbounds [161 x i32], ptr %315, i64 0, i64 %317
  %319 = load i32, ptr %318, align 4, !tbaa !5
  %320 = shl i32 1, %319
  %321 = load i32, ptr %4, align 4, !tbaa !5
  %322 = sext i32 %321 to i64
  %323 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %322
  %324 = load i32, ptr %14, align 4, !tbaa !5
  %325 = sext i32 %324 to i64
  %326 = getelementptr inbounds [161 x i32], ptr %323, i64 0, i64 %325
  %327 = load i32, ptr %326, align 4, !tbaa !5
  %328 = or i32 %327, %320
  store i32 %328, ptr %326, align 4, !tbaa !5
  %329 = load i32, ptr %4, align 4, !tbaa !5
  %330 = sext i32 %329 to i64
  %331 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %330
  %332 = load i32, ptr %14, align 4, !tbaa !5
  %333 = sext i32 %332 to i64
  %334 = getelementptr inbounds [161 x %"class.std::vector"], ptr %331, i64 0, i64 %333
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %334, ptr noundef nonnull align 4 dereferenceable(4) %18)
  %335 = load i32, ptr %4, align 4, !tbaa !5
  %336 = sext i32 %335 to i64
  %337 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %336
  %338 = load i32, ptr %14, align 4, !tbaa !5
  %339 = sext i32 %338 to i64
  %340 = getelementptr inbounds [161 x i32], ptr %337, i64 0, i64 %339
  %341 = load i32, ptr %340, align 4, !tbaa !5
  %342 = shl i32 1, %341
  %343 = load i32, ptr %4, align 4, !tbaa !5
  %344 = sext i32 %343 to i64
  %345 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %344
  %346 = load i32, ptr %18, align 4, !tbaa !5
  %347 = sext i32 %346 to i64
  %348 = getelementptr inbounds [161 x i32], ptr %345, i64 0, i64 %347
  %349 = load i32, ptr %348, align 4, !tbaa !5
  %350 = or i32 %349, %342
  store i32 %350, ptr %348, align 4, !tbaa !5
  %351 = load i32, ptr %4, align 4, !tbaa !5
  %352 = sext i32 %351 to i64
  %353 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %352
  %354 = load i32, ptr %18, align 4, !tbaa !5
  %355 = sext i32 %354 to i64
  %356 = getelementptr inbounds [161 x %"class.std::vector"], ptr %353, i64 0, i64 %355
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %356, ptr noundef nonnull align 4 dereferenceable(4) %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %357

357:                                              ; preds = %306, %287, %284
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %358

358:                                              ; preds = %357
  %359 = load i32, ptr %13, align 4, !tbaa !5
  %360 = add nsw i32 %359, 1
  store i32 %360, ptr %13, align 4, !tbaa !5
  br label %197, !llvm.loop !14

361:                                              ; preds = %201
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %655

362:                                              ; preds = %2
  %363 = load i32, ptr %4, align 4, !tbaa !5
  %364 = sub nsw i32 %363, 1
  %365 = sext i32 %364 to i64
  %366 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %365
  %367 = load i32, ptr %366, align 4, !tbaa !5
  %368 = sext i32 %367 to i64
  %369 = mul i64 %368, 4
  call void @llvm.memset.p0.i64(ptr align 16 @dsu, i8 -1, i64 %369, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  %370 = load i32, ptr %4, align 4, !tbaa !5
  %371 = sub nsw i32 %370, 1
  %372 = sext i32 %371 to i64
  %373 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %372
  %374 = load i32, ptr %5, align 4, !tbaa !5
  %375 = sext i32 %374 to i64
  %376 = getelementptr inbounds [161 x %"class.std::vector"], ptr %373, i64 0, i64 %375
  store ptr %376, ptr %19, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  %377 = load ptr, ptr %19, align 8, !tbaa !15
  %378 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %377) #6
  %379 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %378, ptr %379, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %380 = load ptr, ptr %19, align 8, !tbaa !15
  %381 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %380) #6
  %382 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %381, ptr %382, align 8
  br label %383

383:                                              ; preds = %410, %362
  %384 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  br i1 %384, label %386, label %385

385:                                              ; preds = %383
  store i32 14, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br label %412

386:                                              ; preds = %383
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #6
  %387 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #6
  %388 = load i32, ptr %387, align 4, !tbaa !5
  store i32 %388, ptr %22, align 4, !tbaa !5
  %389 = load i32, ptr %4, align 4, !tbaa !5
  %390 = sub nsw i32 %389, 1
  %391 = sext i32 %390 to i64
  %392 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %391
  %393 = load i32, ptr %5, align 4, !tbaa !5
  %394 = sext i32 %393 to i64
  %395 = getelementptr inbounds [161 x i32], ptr %392, i64 0, i64 %394
  %396 = load i32, ptr %395, align 4, !tbaa !5
  %397 = load i32, ptr %4, align 4, !tbaa !5
  %398 = sub nsw i32 %397, 1
  %399 = sext i32 %398 to i64
  %400 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %399
  %401 = load i32, ptr %22, align 4, !tbaa !5
  %402 = sext i32 %401 to i64
  %403 = getelementptr inbounds [161 x i32], ptr %400, i64 0, i64 %402
  %404 = load i32, ptr %403, align 4, !tbaa !5
  %405 = icmp eq i32 %396, %404
  br i1 %405, label %406, label %409

406:                                              ; preds = %386
  %407 = load i32, ptr %5, align 4, !tbaa !5
  %408 = load i32, ptr %22, align 4, !tbaa !5
  call void @_Z9dsu_mergeii(i32 noundef %407, i32 noundef %408)
  br label %409

409:                                              ; preds = %406, %386
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #6
  br label %410

410:                                              ; preds = %409
  %411 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #6
  br label %383

412:                                              ; preds = %385
  %413 = load i32, ptr %4, align 4, !tbaa !5
  %414 = sext i32 %413 to i64
  %415 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %414
  store i32 0, ptr %415, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #6
  store i32 0, ptr %23, align 4, !tbaa !5
  br label %416

416:                                              ; preds = %492, %412
  %417 = load i32, ptr %23, align 4, !tbaa !5
  %418 = load i32, ptr %4, align 4, !tbaa !5
  %419 = sub nsw i32 %418, 1
  %420 = sext i32 %419 to i64
  %421 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %420
  %422 = load i32, ptr %421, align 4, !tbaa !5
  %423 = icmp slt i32 %417, %422
  br i1 %423, label %425, label %424

424:                                              ; preds = %416
  store i32 16, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #6
  br label %495

425:                                              ; preds = %416
  %426 = load i32, ptr %23, align 4, !tbaa !5
  %427 = call noundef i32 @_Z8dsu_findi(i32 noundef %426)
  %428 = load i32, ptr %23, align 4, !tbaa !5
  %429 = icmp eq i32 %427, %428
  br i1 %429, label %430, label %491

430:                                              ; preds = %425
  %431 = load i32, ptr %4, align 4, !tbaa !5
  %432 = sext i32 %431 to i64
  %433 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %432
  %434 = load i32, ptr %433, align 4, !tbaa !5
  %435 = add nsw i32 %434, 1
  store i32 %435, ptr %433, align 4, !tbaa !5
  %436 = load i32, ptr %23, align 4, !tbaa !5
  %437 = sext i32 %436 to i64
  %438 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %437
  store i32 %434, ptr %438, align 4, !tbaa !5
  %439 = load i32, ptr %4, align 4, !tbaa !5
  %440 = sub nsw i32 %439, 1
  %441 = sext i32 %440 to i64
  %442 = getelementptr inbounds [9 x [161 x i32]], ptr @rep, i64 0, i64 %441
  %443 = load i32, ptr %23, align 4, !tbaa !5
  %444 = sext i32 %443 to i64
  %445 = getelementptr inbounds [161 x i32], ptr %442, i64 0, i64 %444
  %446 = load i32, ptr %445, align 4, !tbaa !5
  %447 = load i32, ptr %4, align 4, !tbaa !5
  %448 = sext i32 %447 to i64
  %449 = getelementptr inbounds [9 x [161 x i32]], ptr @rep, i64 0, i64 %448
  %450 = load i32, ptr %23, align 4, !tbaa !5
  %451 = sext i32 %450 to i64
  %452 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %451
  %453 = load i32, ptr %452, align 4, !tbaa !5
  %454 = sext i32 %453 to i64
  %455 = getelementptr inbounds [161 x i32], ptr %449, i64 0, i64 %454
  store i32 %446, ptr %455, align 4, !tbaa !5
  %456 = load i32, ptr %4, align 4, !tbaa !5
  %457 = sub nsw i32 %456, 1
  %458 = sext i32 %457 to i64
  %459 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %458
  %460 = load i32, ptr %23, align 4, !tbaa !5
  %461 = sext i32 %460 to i64
  %462 = getelementptr inbounds [161 x i32], ptr %459, i64 0, i64 %461
  %463 = load i32, ptr %462, align 4, !tbaa !5
  %464 = load i32, ptr %4, align 4, !tbaa !5
  %465 = sext i32 %464 to i64
  %466 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %465
  %467 = load i32, ptr %23, align 4, !tbaa !5
  %468 = sext i32 %467 to i64
  %469 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %468
  %470 = load i32, ptr %469, align 4, !tbaa !5
  %471 = sext i32 %470 to i64
  %472 = getelementptr inbounds [161 x i32], ptr %466, i64 0, i64 %471
  store i32 %463, ptr %472, align 4, !tbaa !5
  %473 = load i32, ptr %4, align 4, !tbaa !5
  %474 = sext i32 %473 to i64
  %475 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %474
  %476 = load i32, ptr %23, align 4, !tbaa !5
  %477 = sext i32 %476 to i64
  %478 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %477
  %479 = load i32, ptr %478, align 4, !tbaa !5
  %480 = sext i32 %479 to i64
  %481 = getelementptr inbounds [161 x i32], ptr %475, i64 0, i64 %480
  store i32 0, ptr %481, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %24) #6
  call void @llvm.memset.p0.i64(ptr align 8 %24, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %24) #6
  %482 = load i32, ptr %4, align 4, !tbaa !5
  %483 = sext i32 %482 to i64
  %484 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %483
  %485 = load i32, ptr %23, align 4, !tbaa !5
  %486 = sext i32 %485 to i64
  %487 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %486
  %488 = load i32, ptr %487, align 4, !tbaa !5
  %489 = sext i32 %488 to i64
  %490 = getelementptr inbounds [161 x %"class.std::vector"], ptr %484, i64 0, i64 %489
  call void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24) %24, ptr noundef nonnull align 8 dereferenceable(24) %490) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %24) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %24) #6
  br label %491

491:                                              ; preds = %430, %425
  br label %492

492:                                              ; preds = %491
  %493 = load i32, ptr %23, align 4, !tbaa !5
  %494 = add nsw i32 %493, 1
  store i32 %494, ptr %23, align 4, !tbaa !5
  br label %416, !llvm.loop !17

495:                                              ; preds = %424
  call void @llvm.lifetime.start.p0(i64 4, ptr %25) #6
  store i32 0, ptr %25, align 4, !tbaa !5
  br label %496

496:                                              ; preds = %571, %495
  %497 = load i32, ptr %25, align 4, !tbaa !5
  %498 = load i32, ptr %4, align 4, !tbaa !5
  %499 = sub nsw i32 %498, 1
  %500 = sext i32 %499 to i64
  %501 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %500
  %502 = load i32, ptr %501, align 4, !tbaa !5
  %503 = icmp slt i32 %497, %502
  br i1 %503, label %505, label %504

504:                                              ; preds = %496
  store i32 19, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #6
  br label %574

505:                                              ; preds = %496
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #6
  %506 = load i32, ptr %25, align 4, !tbaa !5
  %507 = call noundef i32 @_Z8dsu_findi(i32 noundef %506)
  %508 = sext i32 %507 to i64
  %509 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %508
  %510 = load i32, ptr %509, align 4, !tbaa !5
  store i32 %510, ptr %26, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %27) #6
  %511 = load i32, ptr %4, align 4, !tbaa !5
  %512 = sub nsw i32 %511, 1
  %513 = sext i32 %512 to i64
  %514 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %513
  %515 = load i32, ptr %25, align 4, !tbaa !5
  %516 = sext i32 %515 to i64
  %517 = getelementptr inbounds [161 x %"class.std::vector"], ptr %514, i64 0, i64 %516
  store ptr %517, ptr %27, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %28) #6
  %518 = load ptr, ptr %27, align 8, !tbaa !15
  %519 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %518) #6
  %520 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %28, i32 0, i32 0
  store ptr %519, ptr %520, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %29) #6
  %521 = load ptr, ptr %27, align 8, !tbaa !15
  %522 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %521) #6
  %523 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %29, i32 0, i32 0
  store ptr %522, ptr %523, align 8
  br label %524

524:                                              ; preds = %568, %505
  %525 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull align 8 dereferenceable(8) %29) #6
  br i1 %525, label %527, label %526

526:                                              ; preds = %524
  store i32 22, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %29) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %28) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #6
  br label %570

527:                                              ; preds = %524
  call void @llvm.lifetime.start.p0(i64 4, ptr %30) #6
  %528 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %28) #6
  %529 = load i32, ptr %528, align 4, !tbaa !5
  store i32 %529, ptr %30, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %31) #6
  %530 = load i32, ptr %30, align 4, !tbaa !5
  %531 = call noundef i32 @_Z8dsu_findi(i32 noundef %530)
  %532 = sext i32 %531 to i64
  %533 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %532
  %534 = load i32, ptr %533, align 4, !tbaa !5
  store i32 %534, ptr %31, align 4, !tbaa !5
  %535 = load i32, ptr %26, align 4, !tbaa !5
  %536 = load i32, ptr %31, align 4, !tbaa !5
  %537 = icmp eq i32 %535, %536
  br i1 %537, label %538, label %539

538:                                              ; preds = %527
  store i32 23, ptr %8, align 4
  br label %562

539:                                              ; preds = %527
  %540 = load i32, ptr %4, align 4, !tbaa !5
  %541 = sext i32 %540 to i64
  %542 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %541
  %543 = load i32, ptr %31, align 4, !tbaa !5
  %544 = sext i32 %543 to i64
  %545 = getelementptr inbounds [161 x i32], ptr %542, i64 0, i64 %544
  %546 = load i32, ptr %545, align 4, !tbaa !5
  %547 = shl i32 1, %546
  %548 = load i32, ptr %4, align 4, !tbaa !5
  %549 = sext i32 %548 to i64
  %550 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %549
  %551 = load i32, ptr %26, align 4, !tbaa !5
  %552 = sext i32 %551 to i64
  %553 = getelementptr inbounds [161 x i32], ptr %550, i64 0, i64 %552
  %554 = load i32, ptr %553, align 4, !tbaa !5
  %555 = or i32 %554, %547
  store i32 %555, ptr %553, align 4, !tbaa !5
  %556 = load i32, ptr %4, align 4, !tbaa !5
  %557 = sext i32 %556 to i64
  %558 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %557
  %559 = load i32, ptr %26, align 4, !tbaa !5
  %560 = sext i32 %559 to i64
  %561 = getelementptr inbounds [161 x %"class.std::vector"], ptr %558, i64 0, i64 %560
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %561, ptr noundef nonnull align 4 dereferenceable(4) %31)
  store i32 0, ptr %8, align 4
  br label %562

562:                                              ; preds = %539, %538
  call void @llvm.lifetime.end.p0(i64 4, ptr %31) #6
  %563 = load i32, ptr %8, align 4
  switch i32 %563, label %565 [
    i32 0, label %564
  ]

564:                                              ; preds = %562
  store i32 0, ptr %8, align 4
  br label %565

565:                                              ; preds = %564, %562
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #6
  %566 = load i32, ptr %8, align 4
  switch i32 %566, label %657 [
    i32 0, label %567
    i32 23, label %568
  ]

567:                                              ; preds = %565
  br label %568

568:                                              ; preds = %567, %565
  %569 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %28) #6
  br label %524

570:                                              ; preds = %526
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #6
  br label %571

571:                                              ; preds = %570
  %572 = load i32, ptr %25, align 4, !tbaa !5
  %573 = add nsw i32 %572, 1
  store i32 %573, ptr %25, align 4, !tbaa !5
  br label %496, !llvm.loop !18

574:                                              ; preds = %504
  call void @llvm.lifetime.start.p0(i64 4, ptr %32) #6
  store i32 0, ptr %32, align 4, !tbaa !5
  br label %575

575:                                              ; preds = %646, %574
  %576 = load i32, ptr %32, align 4, !tbaa !5
  %577 = load i32, ptr %4, align 4, !tbaa !5
  %578 = sext i32 %577 to i64
  %579 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %578
  %580 = load i32, ptr %579, align 4, !tbaa !5
  %581 = icmp slt i32 %576, %580
  br i1 %581, label %583, label %582

582:                                              ; preds = %575
  store i32 24, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %32) #6
  br label %649

583:                                              ; preds = %575
  %584 = load i32, ptr %4, align 4, !tbaa !5
  %585 = sext i32 %584 to i64
  %586 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %585
  %587 = load i32, ptr %32, align 4, !tbaa !5
  %588 = sext i32 %587 to i64
  %589 = getelementptr inbounds [161 x %"class.std::vector"], ptr %586, i64 0, i64 %588
  %590 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %589) #6
  %591 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %33, i32 0, i32 0
  store ptr %590, ptr %591, align 8
  %592 = load i32, ptr %4, align 4, !tbaa !5
  %593 = sext i32 %592 to i64
  %594 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %593
  %595 = load i32, ptr %32, align 4, !tbaa !5
  %596 = sext i32 %595 to i64
  %597 = getelementptr inbounds [161 x %"class.std::vector"], ptr %594, i64 0, i64 %596
  %598 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %597) #6
  %599 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %34, i32 0, i32 0
  store ptr %598, ptr %599, align 8
  %600 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %33, i32 0, i32 0
  %601 = load ptr, ptr %600, align 8
  %602 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %34, i32 0, i32 0
  %603 = load ptr, ptr %602, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %601, ptr %603)
  %604 = load i32, ptr %4, align 4, !tbaa !5
  %605 = sext i32 %604 to i64
  %606 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %605
  %607 = load i32, ptr %32, align 4, !tbaa !5
  %608 = sext i32 %607 to i64
  %609 = getelementptr inbounds [161 x %"class.std::vector"], ptr %606, i64 0, i64 %608
  call void @llvm.lifetime.start.p0(i64 8, ptr %36) #6
  %610 = load i32, ptr %4, align 4, !tbaa !5
  %611 = sext i32 %610 to i64
  %612 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %611
  %613 = load i32, ptr %32, align 4, !tbaa !5
  %614 = sext i32 %613 to i64
  %615 = getelementptr inbounds [161 x %"class.std::vector"], ptr %612, i64 0, i64 %614
  %616 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %615) #6
  %617 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %37, i32 0, i32 0
  store ptr %616, ptr %617, align 8
  %618 = load i32, ptr %4, align 4, !tbaa !5
  %619 = sext i32 %618 to i64
  %620 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %619
  %621 = load i32, ptr %32, align 4, !tbaa !5
  %622 = sext i32 %621 to i64
  %623 = getelementptr inbounds [161 x %"class.std::vector"], ptr %620, i64 0, i64 %622
  %624 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %623) #6
  %625 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %38, i32 0, i32 0
  store ptr %624, ptr %625, align 8
  %626 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %37, i32 0, i32 0
  %627 = load ptr, ptr %626, align 8
  %628 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %38, i32 0, i32 0
  %629 = load ptr, ptr %628, align 8
  %630 = call ptr @_ZSt6uniqueIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %627, ptr %629)
  %631 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %36, i32 0, i32 0
  store ptr %630, ptr %631, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef nonnull align 8 dereferenceable(8) %36) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %40) #6
  %632 = load i32, ptr %4, align 4, !tbaa !5
  %633 = sext i32 %632 to i64
  %634 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %633
  %635 = load i32, ptr %32, align 4, !tbaa !5
  %636 = sext i32 %635 to i64
  %637 = getelementptr inbounds [161 x %"class.std::vector"], ptr %634, i64 0, i64 %636
  %638 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %637) #6
  %639 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %40, i32 0, i32 0
  store ptr %638, ptr %639, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef nonnull align 8 dereferenceable(8) %40) #6
  %640 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %35, i32 0, i32 0
  %641 = load ptr, ptr %640, align 8
  %642 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %39, i32 0, i32 0
  %643 = load ptr, ptr %642, align 8
  %644 = call ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EES6_(ptr noundef nonnull align 8 dereferenceable(24) %609, ptr %641, ptr %643)
  %645 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %41, i32 0, i32 0
  store ptr %644, ptr %645, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %40) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %36) #6
  br label %646

646:                                              ; preds = %583
  %647 = load i32, ptr %32, align 4, !tbaa !5
  %648 = add nsw i32 %647, 1
  store i32 %648, ptr %32, align 4, !tbaa !5
  br label %575, !llvm.loop !19

649:                                              ; preds = %582
  %650 = load i32, ptr %5, align 4, !tbaa !5
  %651 = call noundef i32 @_Z8dsu_findi(i32 noundef %650)
  %652 = sext i32 %651 to i64
  %653 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %652
  %654 = load i32, ptr %653, align 4, !tbaa !5
  store i32 %654, ptr %3, align 4
  br label %655

655:                                              ; preds = %649, %361
  %656 = load i32, ptr %3, align 4
  ret i32 %656

657:                                              ; preds = %565
  unreachable
}

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 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)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EES6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt6uniqueIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 #6 = { 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"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = distinct !{!17, !11}
!18 = distinct !{!18, !11}
!19 = distinct !{!19, !11}


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@dsu = external dso_local local_unnamed_addr global [161 x i32], align 16
@idx = external dso_local local_unnamed_addr global [161 x i32], align 16
@sz = external dso_local local_unnamed_addr global [9 x i32], align 16
@rep = external dso_local local_unnamed_addr global [9 x [161 x i32]], align 16
@col = external dso_local local_unnamed_addr global [9 x [161 x i32]], align 16
@msk = external dso_local local_unnamed_addr global [9 x [161 x i32]], align 16
@buf = external dso_local local_unnamed_addr global [17 x [11 x i8]], align 16
@e = external dso_local global [9 x [161 x %"class.std::vector"]], align 16

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z8dsu_findi(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9dsu_mergeii(i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z8getGraphii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %.not = icmp eq i32 %0, 0
  br i1 %.not, label %17, label %321

17:                                               ; preds = %2
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(640) @dsu, i8 -1, i64 640, i1 false)
  br label %.preheader157

.preheader157:                                    ; preds = %17, %.split.us
  %indvars.iv191 = phi i64 [ 0, %17 ], [ %indvars.iv.next192, %.split.us ]
  %.not155 = icmp eq i64 %indvars.iv191, 0
  %18 = add nsw i64 %indvars.iv191, -1
  br i1 %.not155, label %.preheader157.split.us.1, label %.preheader157.split.preheader

.preheader157.split.preheader:                    ; preds = %.preheader157
  %19 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 0
  %20 = load i8, ptr %19, align 1, !tbaa !5
  %21 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 0
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = icmp eq i8 %20, %22
  br i1 %23, label %24, label %.preheader157.split.peel.next

24:                                               ; preds = %.preheader157.split.preheader
  %25 = trunc nuw nsw i64 %indvars.iv191 to i32
  %26 = trunc nsw i64 %18 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %25, i32 noundef %26)
  br label %.preheader157.split.peel.next

.preheader157.split.peel.next:                    ; preds = %24, %.preheader157.split.preheader
  %27 = trunc nuw nsw i64 %indvars.iv191 to i32
  %28 = add nuw nsw i64 %indvars.iv191, 16
  %29 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 1
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 1
  %32 = load i8, ptr %31, align 1, !tbaa !5
  %33 = icmp eq i8 %30, %32
  br i1 %33, label %71, label %74

.preheader157.split.us.1:                         ; preds = %.preheader157
  %34 = load i8, ptr @buf, align 16, !tbaa !5
  %35 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 1), align 1, !tbaa !5
  %36 = icmp eq i8 %34, %35
  br i1 %36, label %37, label %.preheader157.split.us.2

37:                                               ; preds = %.preheader157.split.us.1
  tail call void @_Z9dsu_mergeii(i32 noundef 16, i32 noundef 0)
  br label %.preheader157.split.us.2

.preheader157.split.us.2:                         ; preds = %.preheader157.split.us.1, %37
  %38 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 1), align 1, !tbaa !5
  %39 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 2), align 2, !tbaa !5
  %40 = icmp eq i8 %38, %39
  br i1 %40, label %41, label %.preheader157.split.us.3

41:                                               ; preds = %.preheader157.split.us.2
  tail call void @_Z9dsu_mergeii(i32 noundef 32, i32 noundef 16)
  br label %.preheader157.split.us.3

.preheader157.split.us.3:                         ; preds = %.preheader157.split.us.2, %41
  %42 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 2), align 2, !tbaa !5
  %43 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 3), align 1, !tbaa !5
  %44 = icmp eq i8 %42, %43
  br i1 %44, label %45, label %.preheader157.split.us.4

45:                                               ; preds = %.preheader157.split.us.3
  tail call void @_Z9dsu_mergeii(i32 noundef 48, i32 noundef 32)
  br label %.preheader157.split.us.4

.preheader157.split.us.4:                         ; preds = %.preheader157.split.us.3, %45
  %46 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 3), align 1, !tbaa !5
  %47 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 4), align 4, !tbaa !5
  %48 = icmp eq i8 %46, %47
  br i1 %48, label %49, label %.preheader157.split.us.5

49:                                               ; preds = %.preheader157.split.us.4
  tail call void @_Z9dsu_mergeii(i32 noundef 64, i32 noundef 48)
  br label %.preheader157.split.us.5

.preheader157.split.us.5:                         ; preds = %.preheader157.split.us.4, %49
  %50 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 4), align 4, !tbaa !5
  %51 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 5), align 1, !tbaa !5
  %52 = icmp eq i8 %50, %51
  br i1 %52, label %53, label %.preheader157.split.us.6

53:                                               ; preds = %.preheader157.split.us.5
  tail call void @_Z9dsu_mergeii(i32 noundef 80, i32 noundef 64)
  br label %.preheader157.split.us.6

.preheader157.split.us.6:                         ; preds = %.preheader157.split.us.5, %53
  %54 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 5), align 1, !tbaa !5
  %55 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 6), align 2, !tbaa !5
  %56 = icmp eq i8 %54, %55
  br i1 %56, label %57, label %.preheader157.split.us.7

57:                                               ; preds = %.preheader157.split.us.6
  tail call void @_Z9dsu_mergeii(i32 noundef 96, i32 noundef 80)
  br label %.preheader157.split.us.7

.preheader157.split.us.7:                         ; preds = %.preheader157.split.us.6, %57
  %58 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 6), align 2, !tbaa !5
  %59 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 7), align 1, !tbaa !5
  %60 = icmp eq i8 %58, %59
  br i1 %60, label %61, label %.preheader157.split.us.8

61:                                               ; preds = %.preheader157.split.us.7
  tail call void @_Z9dsu_mergeii(i32 noundef 112, i32 noundef 96)
  br label %.preheader157.split.us.8

.preheader157.split.us.8:                         ; preds = %.preheader157.split.us.7, %61
  %62 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 7), align 1, !tbaa !5
  %63 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 8), align 8, !tbaa !5
  %64 = icmp eq i8 %62, %63
  br i1 %64, label %65, label %.preheader157.split.us.9

65:                                               ; preds = %.preheader157.split.us.8
  tail call void @_Z9dsu_mergeii(i32 noundef 128, i32 noundef 112)
  br label %.preheader157.split.us.9

.preheader157.split.us.9:                         ; preds = %.preheader157.split.us.8, %65
  %66 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 8), align 8, !tbaa !5
  %67 = load i8, ptr getelementptr inbounds (i8, ptr @buf, i64 9), align 1, !tbaa !5
  %68 = icmp eq i8 %66, %67
  br i1 %68, label %69, label %.split.us

69:                                               ; preds = %.preheader157.split.us.9
  tail call void @_Z9dsu_mergeii(i32 noundef 144, i32 noundef 128)
  br label %.split.us

70:                                               ; preds = %.split.us
  store i32 0, ptr @sz, align 16, !tbaa !8
  br label %217

.split.us:                                        ; preds = %209, %214, %.preheader157.split.us.9, %69
  %indvars.iv.next192 = add nuw nsw i64 %indvars.iv191, 1
  %exitcond194.not = icmp eq i64 %indvars.iv.next192, 16
  br i1 %exitcond194.not, label %70, label %.preheader157, !llvm.loop !10

71:                                               ; preds = %.preheader157.split.peel.next
  %72 = add nsw i32 %27, 15
  %73 = trunc nuw nsw i64 %28 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %73, i32 noundef %72)
  br label %74

74:                                               ; preds = %.preheader157.split.peel.next, %71
  %75 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 0
  %76 = load i8, ptr %75, align 1, !tbaa !5
  %77 = load i8, ptr %31, align 1, !tbaa !5
  %78 = icmp eq i8 %76, %77
  br i1 %78, label %79, label %.preheader157.split.1

79:                                               ; preds = %74
  %80 = trunc nuw nsw i64 %28 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %80, i32 noundef %27)
  br label %.preheader157.split.1

.preheader157.split.1:                            ; preds = %79, %74
  %81 = add nuw nsw i64 %indvars.iv191, 32
  %82 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 2
  %83 = load i8, ptr %82, align 1, !tbaa !5
  %84 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 2
  %85 = load i8, ptr %84, align 1, !tbaa !5
  %86 = icmp eq i8 %83, %85
  br i1 %86, label %87, label %90

87:                                               ; preds = %.preheader157.split.1
  %88 = add nsw i32 %27, 31
  %89 = trunc nuw nsw i64 %81 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %89, i32 noundef %88)
  br label %90

90:                                               ; preds = %87, %.preheader157.split.1
  %91 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 1
  %92 = load i8, ptr %91, align 1, !tbaa !5
  %93 = load i8, ptr %84, align 1, !tbaa !5
  %94 = icmp eq i8 %92, %93
  br i1 %94, label %95, label %.preheader157.split.2

95:                                               ; preds = %90
  %96 = add nsw i32 %27, 16
  %97 = trunc nuw nsw i64 %81 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %97, i32 noundef %96)
  br label %.preheader157.split.2

.preheader157.split.2:                            ; preds = %95, %90
  %98 = add nuw nsw i64 %indvars.iv191, 48
  %99 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 3
  %100 = load i8, ptr %99, align 1, !tbaa !5
  %101 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 3
  %102 = load i8, ptr %101, align 1, !tbaa !5
  %103 = icmp eq i8 %100, %102
  br i1 %103, label %104, label %107

104:                                              ; preds = %.preheader157.split.2
  %105 = add nsw i32 %27, 47
  %106 = trunc nuw nsw i64 %98 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %106, i32 noundef %105)
  br label %107

107:                                              ; preds = %104, %.preheader157.split.2
  %108 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 2
  %109 = load i8, ptr %108, align 1, !tbaa !5
  %110 = load i8, ptr %101, align 1, !tbaa !5
  %111 = icmp eq i8 %109, %110
  br i1 %111, label %112, label %.preheader157.split.3

112:                                              ; preds = %107
  %113 = add nsw i32 %27, 32
  %114 = trunc nuw nsw i64 %98 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %114, i32 noundef %113)
  br label %.preheader157.split.3

.preheader157.split.3:                            ; preds = %112, %107
  %115 = add nuw nsw i64 %indvars.iv191, 64
  %116 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 4
  %117 = load i8, ptr %116, align 1, !tbaa !5
  %118 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 4
  %119 = load i8, ptr %118, align 1, !tbaa !5
  %120 = icmp eq i8 %117, %119
  br i1 %120, label %121, label %124

121:                                              ; preds = %.preheader157.split.3
  %122 = add nsw i32 %27, 63
  %123 = trunc nuw nsw i64 %115 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %123, i32 noundef %122)
  br label %124

124:                                              ; preds = %121, %.preheader157.split.3
  %125 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 3
  %126 = load i8, ptr %125, align 1, !tbaa !5
  %127 = load i8, ptr %118, align 1, !tbaa !5
  %128 = icmp eq i8 %126, %127
  br i1 %128, label %129, label %.preheader157.split.4

129:                                              ; preds = %124
  %130 = add nsw i32 %27, 48
  %131 = trunc nuw nsw i64 %115 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %131, i32 noundef %130)
  br label %.preheader157.split.4

.preheader157.split.4:                            ; preds = %129, %124
  %132 = add nuw nsw i64 %indvars.iv191, 80
  %133 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 5
  %134 = load i8, ptr %133, align 1, !tbaa !5
  %135 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 5
  %136 = load i8, ptr %135, align 1, !tbaa !5
  %137 = icmp eq i8 %134, %136
  br i1 %137, label %138, label %141

138:                                              ; preds = %.preheader157.split.4
  %139 = add nsw i32 %27, 79
  %140 = trunc nuw nsw i64 %132 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %140, i32 noundef %139)
  br label %141

141:                                              ; preds = %138, %.preheader157.split.4
  %142 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 4
  %143 = load i8, ptr %142, align 1, !tbaa !5
  %144 = load i8, ptr %135, align 1, !tbaa !5
  %145 = icmp eq i8 %143, %144
  br i1 %145, label %146, label %.preheader157.split.5

146:                                              ; preds = %141
  %147 = add nsw i32 %27, 64
  %148 = trunc nuw nsw i64 %132 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %148, i32 noundef %147)
  br label %.preheader157.split.5

.preheader157.split.5:                            ; preds = %146, %141
  %149 = add nuw nsw i64 %indvars.iv191, 96
  %150 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 6
  %151 = load i8, ptr %150, align 1, !tbaa !5
  %152 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 6
  %153 = load i8, ptr %152, align 1, !tbaa !5
  %154 = icmp eq i8 %151, %153
  br i1 %154, label %155, label %158

155:                                              ; preds = %.preheader157.split.5
  %156 = add nsw i32 %27, 95
  %157 = trunc nuw nsw i64 %149 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %157, i32 noundef %156)
  br label %158

158:                                              ; preds = %155, %.preheader157.split.5
  %159 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 5
  %160 = load i8, ptr %159, align 1, !tbaa !5
  %161 = load i8, ptr %152, align 1, !tbaa !5
  %162 = icmp eq i8 %160, %161
  br i1 %162, label %163, label %.preheader157.split.6

163:                                              ; preds = %158
  %164 = add nsw i32 %27, 80
  %165 = trunc nuw nsw i64 %149 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %165, i32 noundef %164)
  br label %.preheader157.split.6

.preheader157.split.6:                            ; preds = %163, %158
  %166 = add nuw nsw i64 %indvars.iv191, 112
  %167 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 7
  %168 = load i8, ptr %167, align 1, !tbaa !5
  %169 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 7
  %170 = load i8, ptr %169, align 1, !tbaa !5
  %171 = icmp eq i8 %168, %170
  br i1 %171, label %172, label %175

172:                                              ; preds = %.preheader157.split.6
  %173 = add nsw i32 %27, 111
  %174 = trunc nuw nsw i64 %166 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %174, i32 noundef %173)
  br label %175

175:                                              ; preds = %172, %.preheader157.split.6
  %176 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 6
  %177 = load i8, ptr %176, align 1, !tbaa !5
  %178 = load i8, ptr %169, align 1, !tbaa !5
  %179 = icmp eq i8 %177, %178
  br i1 %179, label %180, label %.preheader157.split.7

180:                                              ; preds = %175
  %181 = add nsw i32 %27, 96
  %182 = trunc nuw nsw i64 %166 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %182, i32 noundef %181)
  br label %.preheader157.split.7

.preheader157.split.7:                            ; preds = %180, %175
  %183 = add nuw nsw i64 %indvars.iv191, 128
  %184 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 8
  %185 = load i8, ptr %184, align 1, !tbaa !5
  %186 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 8
  %187 = load i8, ptr %186, align 1, !tbaa !5
  %188 = icmp eq i8 %185, %187
  br i1 %188, label %189, label %192

189:                                              ; preds = %.preheader157.split.7
  %190 = add nsw i32 %27, 127
  %191 = trunc nuw nsw i64 %183 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %191, i32 noundef %190)
  br label %192

192:                                              ; preds = %189, %.preheader157.split.7
  %193 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 7
  %194 = load i8, ptr %193, align 1, !tbaa !5
  %195 = load i8, ptr %186, align 1, !tbaa !5
  %196 = icmp eq i8 %194, %195
  br i1 %196, label %197, label %.preheader157.split.8

197:                                              ; preds = %192
  %198 = add nsw i32 %27, 112
  %199 = trunc nuw nsw i64 %183 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %199, i32 noundef %198)
  br label %.preheader157.split.8

.preheader157.split.8:                            ; preds = %197, %192
  %200 = add nuw nsw i64 %indvars.iv191, 144
  %201 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %18, i64 9
  %202 = load i8, ptr %201, align 1, !tbaa !5
  %203 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 9
  %204 = load i8, ptr %203, align 1, !tbaa !5
  %205 = icmp eq i8 %202, %204
  br i1 %205, label %206, label %209

206:                                              ; preds = %.preheader157.split.8
  %207 = add nsw i32 %27, 143
  %208 = trunc nuw nsw i64 %200 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %208, i32 noundef %207)
  br label %209

209:                                              ; preds = %206, %.preheader157.split.8
  %210 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %indvars.iv191, i64 8
  %211 = load i8, ptr %210, align 1, !tbaa !5
  %212 = load i8, ptr %203, align 1, !tbaa !5
  %213 = icmp eq i8 %211, %212
  br i1 %213, label %214, label %.split.us

214:                                              ; preds = %209
  %215 = add nsw i32 %27, 128
  %216 = trunc nuw nsw i64 %200 to i32
  tail call void @_Z9dsu_mergeii(i32 noundef %216, i32 noundef %215)
  br label %.split.us

217:                                              ; preds = %70, %239
  %indvars.iv195 = phi i64 [ 0, %70 ], [ %indvars.iv.next196, %239 ]
  %218 = trunc nuw nsw i64 %indvars.iv195 to i32
  %219 = call noundef i32 @_Z8dsu_findi(i32 noundef %218)
  %220 = zext i32 %219 to i64
  %221 = icmp eq i64 %indvars.iv195, %220
  br i1 %221, label %222, label %239

222:                                              ; preds = %217
  %223 = load i32, ptr @sz, align 16, !tbaa !8
  %224 = add nsw i32 %223, 1
  store i32 %224, ptr @sz, align 16, !tbaa !8
  %225 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %indvars.iv195
  store i32 %223, ptr %225, align 4, !tbaa !8
  %226 = sext i32 %223 to i64
  %227 = getelementptr inbounds [161 x i32], ptr @rep, i64 0, i64 %226
  store i32 %218, ptr %227, align 4, !tbaa !8
  %228 = and i64 %indvars.iv195, 15
  %229 = lshr i64 %indvars.iv195, 4
  %230 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %228, i64 %229
  %231 = load i8, ptr %230, align 1, !tbaa !5
  %232 = sext i8 %231 to i32
  %233 = add nsw i32 %232, -49
  %234 = getelementptr inbounds [161 x i32], ptr @col, i64 0, i64 %226
  store i32 %233, ptr %234, align 4, !tbaa !8
  %235 = getelementptr inbounds [161 x i32], ptr @msk, i64 0, i64 %226
  store i32 0, ptr %235, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %3, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %236 = load i32, ptr %225, align 4, !tbaa !8
  %237 = sext i32 %236 to i64
  %238 = getelementptr inbounds [161 x %"class.std::vector"], ptr @e, i64 0, i64 %237
  call void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %238) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  br label %239

239:                                              ; preds = %217, %222
  %indvars.iv.next196 = add nuw nsw i64 %indvars.iv195, 1
  %exitcond198.not = icmp eq i64 %indvars.iv.next196, 160
  br i1 %exitcond198.not, label %.preheader, label %217, !llvm.loop !12

.preheader:                                       ; preds = %239, %319
  %.0143174 = phi i32 [ %320, %319 ], [ 0, %239 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %240 = call noundef i32 @_Z8dsu_findi(i32 noundef %.0143174)
  %241 = sext i32 %240 to i64
  %242 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %241
  %243 = load i32, ptr %242, align 4, !tbaa !8
  store i32 %243, ptr %4, align 4, !tbaa !8
  %244 = and i32 %.0143174, 15
  %245 = lshr i32 %.0143174, 4
  %.not151 = icmp eq i32 %244, 0
  br i1 %.not151, label %282, label %246

246:                                              ; preds = %.preheader
  %247 = add nsw i32 %244, -1
  %248 = zext nneg i32 %247 to i64
  %249 = zext nneg i32 %245 to i64
  %250 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %248, i64 %249
  %251 = load i8, ptr %250, align 1, !tbaa !5
  %252 = zext nneg i32 %244 to i64
  %253 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %252, i64 %249
  %254 = load i8, ptr %253, align 1, !tbaa !5
  %.not152 = icmp eq i8 %251, %254
  br i1 %.not152, label %282, label %255

255:                                              ; preds = %246
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %256 = add nsw i32 %.0143174, -1
  %257 = call noundef i32 @_Z8dsu_findi(i32 noundef %256)
  %258 = sext i32 %257 to i64
  %259 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %258
  %260 = load i32, ptr %259, align 4, !tbaa !8
  store i32 %260, ptr %5, align 4, !tbaa !8
  %261 = sext i32 %260 to i64
  %262 = getelementptr inbounds [161 x i32], ptr @col, i64 0, i64 %261
  %263 = load i32, ptr %262, align 4, !tbaa !8
  %264 = shl nuw i32 1, %263
  %265 = load i32, ptr %4, align 4, !tbaa !8
  %266 = sext i32 %265 to i64
  %267 = getelementptr inbounds [161 x i32], ptr @msk, i64 0, i64 %266
  %268 = load i32, ptr %267, align 4, !tbaa !8
  %269 = or i32 %268, %264
  store i32 %269, ptr %267, align 4, !tbaa !8
  %270 = getelementptr inbounds [161 x %"class.std::vector"], ptr @e, i64 0, i64 %266
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %270, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %271 = load i32, ptr %4, align 4, !tbaa !8
  %272 = sext i32 %271 to i64
  %273 = getelementptr inbounds [161 x i32], ptr @col, i64 0, i64 %272
  %274 = load i32, ptr %273, align 4, !tbaa !8
  %275 = shl nuw i32 1, %274
  %276 = load i32, ptr %5, align 4, !tbaa !8
  %277 = sext i32 %276 to i64
  %278 = getelementptr inbounds [161 x i32], ptr @msk, i64 0, i64 %277
  %279 = load i32, ptr %278, align 4, !tbaa !8
  %280 = or i32 %279, %275
  store i32 %280, ptr %278, align 4, !tbaa !8
  %281 = getelementptr inbounds [161 x %"class.std::vector"], ptr @e, i64 0, i64 %277
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %281, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %282

282:                                              ; preds = %255, %246, %.preheader
  %.not153 = icmp ult i32 %.0143174, 16
  br i1 %.not153, label %319, label %283

283:                                              ; preds = %282
  %284 = zext nneg i32 %244 to i64
  %285 = add nsw i32 %245, -1
  %286 = sext i32 %285 to i64
  %287 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %284, i64 %286
  %288 = load i8, ptr %287, align 1, !tbaa !5
  %289 = zext nneg i32 %245 to i64
  %290 = getelementptr inbounds [17 x [11 x i8]], ptr @buf, i64 0, i64 %284, i64 %289
  %291 = load i8, ptr %290, align 1, !tbaa !5
  %.not154 = icmp eq i8 %288, %291
  br i1 %.not154, label %319, label %292

292:                                              ; preds = %283
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %293 = add nsw i32 %.0143174, -16
  %294 = call noundef i32 @_Z8dsu_findi(i32 noundef %293)
  %295 = sext i32 %294 to i64
  %296 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %295
  %297 = load i32, ptr %296, align 4, !tbaa !8
  store i32 %297, ptr %6, align 4, !tbaa !8
  %298 = sext i32 %297 to i64
  %299 = getelementptr inbounds [161 x i32], ptr @col, i64 0, i64 %298
  %300 = load i32, ptr %299, align 4, !tbaa !8
  %301 = shl nuw i32 1, %300
  %302 = load i32, ptr %4, align 4, !tbaa !8
  %303 = sext i32 %302 to i64
  %304 = getelementptr inbounds [161 x i32], ptr @msk, i64 0, i64 %303
  %305 = load i32, ptr %304, align 4, !tbaa !8
  %306 = or i32 %305, %301
  store i32 %306, ptr %304, align 4, !tbaa !8
  %307 = getelementptr inbounds [161 x %"class.std::vector"], ptr @e, i64 0, i64 %303
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %307, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %308 = load i32, ptr %4, align 4, !tbaa !8
  %309 = sext i32 %308 to i64
  %310 = getelementptr inbounds [161 x i32], ptr @col, i64 0, i64 %309
  %311 = load i32, ptr %310, align 4, !tbaa !8
  %312 = shl nuw i32 1, %311
  %313 = load i32, ptr %6, align 4, !tbaa !8
  %314 = sext i32 %313 to i64
  %315 = getelementptr inbounds [161 x i32], ptr @msk, i64 0, i64 %314
  %316 = load i32, ptr %315, align 4, !tbaa !8
  %317 = or i32 %316, %312
  store i32 %317, ptr %315, align 4, !tbaa !8
  %318 = getelementptr inbounds [161 x %"class.std::vector"], ptr @e, i64 0, i64 %314
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %318, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %319

319:                                              ; preds = %292, %283, %282
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %320 = add nuw nsw i32 %.0143174, 1
  %exitcond199.not = icmp eq i32 %320, 160
  br i1 %exitcond199.not, label %.loopexit, label %.preheader, !llvm.loop !13

321:                                              ; preds = %2
  %322 = add nsw i32 %0, -1
  %323 = sext i32 %322 to i64
  %324 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %323
  %325 = load i32, ptr %324, align 4, !tbaa !8
  %326 = sext i32 %325 to i64
  %327 = shl nsw i64 %326, 2
  tail call void @llvm.memset.p0.i64(ptr nonnull align 16 @dsu, i8 -1, i64 %327, i1 false)
  %328 = sext i32 %1 to i64
  %329 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %323, i64 %328
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %330 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %329) #6
  store ptr %330, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %331 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %329) #6
  store ptr %331, ptr %8, align 8
  %332 = 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) #6
  br i1 %332, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %321
  %333 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %323, i64 %328
  br label %338

._crit_edge:                                      ; preds = %347, %321
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %334 = sext i32 %0 to i64
  %335 = getelementptr inbounds [9 x i32], ptr @sz, i64 0, i64 %334
  store i32 0, ptr %335, align 4, !tbaa !8
  %336 = load i32, ptr %324, align 4, !tbaa !8
  %337 = icmp sgt i32 %336, 0
  br i1 %337, label %.lr.ph162, label %._crit_edge170

338:                                              ; preds = %.lr.ph, %347
  %339 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %340 = load i32, ptr %339, align 4, !tbaa !8
  %341 = load i32, ptr %333, align 4, !tbaa !8
  %342 = sext i32 %340 to i64
  %343 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %323, i64 %342
  %344 = load i32, ptr %343, align 4, !tbaa !8
  %345 = icmp eq i32 %341, %344
  br i1 %345, label %346, label %347

346:                                              ; preds = %338
  call void @_Z9dsu_mergeii(i32 noundef %1, i32 noundef %340)
  br label %347

347:                                              ; preds = %346, %338
  %348 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %349 = 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) #6
  br i1 %349, label %338, label %._crit_edge

.preheader159:                                    ; preds = %370
  %350 = icmp sgt i32 %371, 0
  br i1 %350, label %.lr.ph167, label %.preheader158

.lr.ph162:                                        ; preds = %._crit_edge, %370
  %indvars.iv = phi i64 [ %indvars.iv.next, %370 ], [ 0, %._crit_edge ]
  %351 = trunc nuw nsw i64 %indvars.iv to i32
  %352 = call noundef i32 @_Z8dsu_findi(i32 noundef %351)
  %353 = zext i32 %352 to i64
  %354 = icmp eq i64 %indvars.iv, %353
  br i1 %354, label %355, label %370

355:                                              ; preds = %.lr.ph162
  %356 = load i32, ptr %335, align 4, !tbaa !8
  %357 = add nsw i32 %356, 1
  store i32 %357, ptr %335, align 4, !tbaa !8
  %358 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %indvars.iv
  store i32 %356, ptr %358, align 4, !tbaa !8
  %359 = getelementptr inbounds [9 x [161 x i32]], ptr @rep, i64 0, i64 %323, i64 %indvars.iv
  %360 = load i32, ptr %359, align 4, !tbaa !8
  %361 = sext i32 %356 to i64
  %362 = getelementptr inbounds [9 x [161 x i32]], ptr @rep, i64 0, i64 %334, i64 %361
  store i32 %360, ptr %362, align 4, !tbaa !8
  %363 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %323, i64 %indvars.iv
  %364 = load i32, ptr %363, align 4, !tbaa !8
  %365 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %334, i64 %361
  store i32 %364, ptr %365, align 4, !tbaa !8
  %366 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %334, i64 %361
  store i32 0, ptr %366, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #6
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %9, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  %367 = load i32, ptr %358, align 4, !tbaa !8
  %368 = sext i32 %367 to i64
  %369 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %334, i64 %368
  call void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %369) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  br label %370

370:                                              ; preds = %.lr.ph162, %355
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %371 = load i32, ptr %324, align 4, !tbaa !8
  %372 = sext i32 %371 to i64
  %373 = icmp slt i64 %indvars.iv.next, %372
  br i1 %373, label %.lr.ph162, label %.preheader159, !llvm.loop !14

.preheader158:                                    ; preds = %._crit_edge165, %.preheader159
  %.pr = load i32, ptr %335, align 4, !tbaa !8
  %374 = icmp sgt i32 %.pr, 0
  br i1 %374, label %.lr.ph169, label %._crit_edge170

.lr.ph167:                                        ; preds = %.preheader159, %._crit_edge165
  %indvars.iv177 = phi i64 [ %indvars.iv.next178, %._crit_edge165 ], [ 0, %.preheader159 ]
  %375 = trunc nuw nsw i64 %indvars.iv177 to i32
  %376 = call noundef i32 @_Z8dsu_findi(i32 noundef %375)
  %377 = sext i32 %376 to i64
  %378 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %377
  %379 = load i32, ptr %378, align 4, !tbaa !8
  %380 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %323, i64 %indvars.iv177
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %381 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %380) #6
  store ptr %381, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %382 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %380) #6
  store ptr %382, ptr %11, align 8
  %383 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %383, label %.lr.ph164, label %._crit_edge165

.lr.ph164:                                        ; preds = %.lr.ph167
  %384 = sext i32 %379 to i64
  %385 = getelementptr inbounds [9 x [161 x i32]], ptr @msk, i64 0, i64 %334, i64 %384
  %386 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %334, i64 %384
  br label %390

._crit_edge165:                                   ; preds = %405, %.lr.ph167
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  %indvars.iv.next178 = add nuw nsw i64 %indvars.iv177, 1
  %387 = load i32, ptr %324, align 4, !tbaa !8
  %388 = sext i32 %387 to i64
  %389 = icmp slt i64 %indvars.iv.next178, %388
  br i1 %389, label %.lr.ph167, label %.preheader158, !llvm.loop !15

390:                                              ; preds = %.lr.ph164, %405
  %391 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %392 = load i32, ptr %391, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #6
  %393 = call noundef i32 @_Z8dsu_findi(i32 noundef %392)
  %394 = sext i32 %393 to i64
  %395 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %394
  %396 = load i32, ptr %395, align 4, !tbaa !8
  store i32 %396, ptr %12, align 4, !tbaa !8
  %397 = icmp eq i32 %379, %396
  br i1 %397, label %405, label %398

398:                                              ; preds = %390
  %399 = sext i32 %396 to i64
  %400 = getelementptr inbounds [9 x [161 x i32]], ptr @col, i64 0, i64 %334, i64 %399
  %401 = load i32, ptr %400, align 4, !tbaa !8
  %402 = shl nuw i32 1, %401
  %403 = load i32, ptr %385, align 4, !tbaa !8
  %404 = or i32 %403, %402
  store i32 %404, ptr %385, align 4, !tbaa !8
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %386, ptr noundef nonnull align 4 dereferenceable(4) %12)
  br label %405

405:                                              ; preds = %390, %398
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #6
  %406 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  %407 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %407, label %390, label %._crit_edge165

._crit_edge170:                                   ; preds = %.lr.ph169, %._crit_edge, %.preheader158
  %408 = call noundef i32 @_Z8dsu_findi(i32 noundef %1)
  %409 = sext i32 %408 to i64
  %410 = getelementptr inbounds [161 x i32], ptr @idx, i64 0, i64 %409
  %411 = load i32, ptr %410, align 4, !tbaa !8
  br label %.loopexit

.lr.ph169:                                        ; preds = %.preheader158, %.lr.ph169
  %indvars.iv180 = phi i64 [ %indvars.iv.next181, %.lr.ph169 ], [ 0, %.preheader158 ]
  %412 = getelementptr inbounds [9 x [161 x %"class.std::vector"]], ptr @e, i64 0, i64 %334, i64 %indvars.iv180
  %413 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %412) #6
  %414 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %412) #6
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %413, ptr %414)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #6
  %415 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %412) #6
  %416 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %412) #6
  %417 = call ptr @_ZSt6uniqueIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %415, ptr %416)
  store ptr %417, ptr %14, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #6
  %418 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %412) #6
  store ptr %418, ptr %16, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  %419 = load ptr, ptr %13, align 8
  %420 = load ptr, ptr %15, align 8
  %421 = call ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EES6_(ptr noundef nonnull align 8 dereferenceable(24) %412, ptr %419, ptr %420)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  %indvars.iv.next181 = add nuw nsw i64 %indvars.iv180, 1
  %422 = load i32, ptr %335, align 4, !tbaa !8
  %423 = sext i32 %422 to i64
  %424 = icmp slt i64 %indvars.iv.next181, %423
  br i1 %424, label %.lr.ph169, label %._crit_edge170, !llvm.loop !16

.loopexit:                                        ; preds = %319, %._crit_edge170
  %.0 = phi i32 [ %411, %._crit_edge170 ], [ -1, %319 ]
  ret i32 %.0
}

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE4swapERS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 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 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 #0 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 #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5eraseEN9__gnu_cxx17__normal_iteratorIPKiS1_EES6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt6uniqueIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEC2IPivEERKNS0_IT_S5_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { 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 #6 = { 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 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}
!14 = distinct !{!14, !11}
!15 = distinct !{!15, !11}
!16 = distinct !{!16, !11}


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