; LLVM IR from xirc/cp-algorithm :: atcoder/abc120/D/main.ll (Z5solvev)

; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.UnionFindTree = type { i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl" }
%"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl" = type { %"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.UnionFindTree::node" = type { i32, i32, i32 }
%"class.__gnu_cxx::__normal_iterator.10" = type { ptr }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@A = external dso_local global %"class.std::vector", align 8
@B = external dso_local global %"class.std::vector", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %class.UnionFindTree, align 8
  %6 = alloca %"class.std::vector.5", align 8
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"struct.UnionFindTree::node", align 4
  %15 = alloca { i64, i32 }, align 8
  %16 = alloca i32, align 4
  %17 = alloca %"struct.UnionFindTree::node", align 4
  %18 = alloca { i64, i32 }, align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %21 = alloca i32, align 4
  %22 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %23 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %1, i32 0, i32 0
  store ptr %22, ptr %23, align 8
  %24 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #6
  %25 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  store ptr %24, ptr %25, align 8
  %26 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %1, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8
  %28 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %2, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8
  call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %27, ptr %29)
  %30 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @B) #6
  %31 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %30, ptr %31, align 8
  %32 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @B) #6
  %33 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8
  %36 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  %37 = load ptr, ptr %36, align 8
  call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %35, ptr %37)
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #6
  %38 = load i32, ptr @N, align 4, !tbaa !5
  call void @_ZN13UnionFindTreeC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef %38)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %39 = load i32, ptr @N, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = load i32, ptr @N, align 4, !tbaa !5
  %42 = sub nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  %44 = mul nsw i64 %40, %43
  %45 = sdiv i64 %44, 2
  store i64 %45, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %114, %0
  %47 = load i32, ptr %8, align 4, !tbaa !5
  %48 = load i32, ptr @M, align 4, !tbaa !5
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %119

51:                                               ; preds = %46
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %52 unwind label %91

52:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %53 = load i32, ptr %8, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %54) #6
  %56 = load i32, ptr %55, align 4, !tbaa !5
  store i32 %56, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %57 = load i32, ptr %8, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @B, i64 noundef %58) #6
  %60 = load i32, ptr %59, align 4, !tbaa !5
  store i32 %60, ptr %12, align 4, !tbaa !5
  %61 = load i32, ptr %11, align 4, !tbaa !5
  %62 = add nsw i32 %61, -1
  store i32 %62, ptr %11, align 4, !tbaa !5
  %63 = load i32, ptr %12, align 4, !tbaa !5
  %64 = add nsw i32 %63, -1
  store i32 %64, ptr %12, align 4, !tbaa !5
  %65 = load i32, ptr %11, align 4, !tbaa !5
  %66 = load i32, ptr %12, align 4, !tbaa !5
  %67 = invoke noundef zeroext i1 @_ZN13UnionFindTree4sameEii(ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef %65, i32 noundef %66)
          to label %68 unwind label %95

68:                                               ; preds = %52
  br i1 %67, label %113, label %69

69:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.start.p0(i64 12, ptr %14) #6
  %70 = load i32, ptr %11, align 4, !tbaa !5
  %71 = invoke { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef %70)
          to label %72 unwind label %99

72:                                               ; preds = %69
  store { i64, i32 } %71, ptr %15, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 8 %15, i64 12, i1 false)
  %73 = getelementptr inbounds %"struct.UnionFindTree::node", ptr %14, i32 0, i32 2
  %74 = load i32, ptr %73, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %14) #6
  store i32 %74, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.start.p0(i64 12, ptr %17) #6
  %75 = load i32, ptr %12, align 4, !tbaa !5
  %76 = invoke { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef %75)
          to label %77 unwind label %103

77:                                               ; preds = %72
  store { i64, i32 } %76, ptr %18, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 8 %18, i64 12, i1 false)
  %78 = getelementptr inbounds %"struct.UnionFindTree::node", ptr %17, i32 0, i32 2
  %79 = load i32, ptr %78, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 12, ptr %17) #6
  store i32 %79, ptr %16, align 4, !tbaa !5
  %80 = load i32, ptr %13, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = load i32, ptr %16, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = mul nsw i64 %81, %83
  %85 = load i64, ptr %7, align 8, !tbaa !9
  %86 = sub nsw i64 %85, %84
  store i64 %86, ptr %7, align 8, !tbaa !9
  %87 = load i32, ptr %11, align 4, !tbaa !5
  %88 = load i32, ptr %12, align 4, !tbaa !5
  %89 = invoke noundef zeroext i1 @_ZN13UnionFindTree5uniteEii(ptr noundef nonnull align 8 dereferenceable(32) %5, i32 noundef %87, i32 noundef %88)
          to label %90 unwind label %107

90:                                               ; preds = %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %113

91:                                               ; preds = %51
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %9, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %10, align 4
  br label %118

95:                                               ; preds = %52
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %9, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %10, align 4
  br label %117

99:                                               ; preds = %69
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %9, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 12, ptr %14) #6
  br label %112

103:                                              ; preds = %72
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %9, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 12, ptr %17) #6
  br label %111

107:                                              ; preds = %77
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %9, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %10, align 4
  br label %111

111:                                              ; preds = %107, %103
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %112

112:                                              ; preds = %111, %99
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %117

113:                                              ; preds = %90, %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %8, align 4, !tbaa !5
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %8, align 4, !tbaa !5
  br label %46, !llvm.loop !13

117:                                              ; preds = %112, %95
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %118

118:                                              ; preds = %117, %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %155

119:                                              ; preds = %50
  %120 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %121 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %19, i32 0, i32 0
  store ptr %120, ptr %121, align 8
  %122 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %123 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %20, i32 0, i32 0
  store ptr %122, ptr %123, align 8
  %124 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %19, i32 0, i32 0
  %125 = load ptr, ptr %124, align 8
  %126 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %20, i32 0, i32 0
  %127 = load ptr, ptr %126, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %125, ptr %127)
          to label %128 unwind label %134

128:                                              ; preds = %119
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #6
  store i32 0, ptr %21, align 4, !tbaa !5
  br label %129

129:                                              ; preds = %147, %128
  %130 = load i32, ptr %21, align 4, !tbaa !5
  %131 = load i32, ptr @M, align 4, !tbaa !5
  %132 = icmp slt i32 %130, %131
  br i1 %132, label %138, label %133

133:                                              ; preds = %129
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  br label %154

134:                                              ; preds = %119
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %9, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %10, align 4
  br label %155

138:                                              ; preds = %129
  %139 = load i32, ptr %21, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %140) #6
  %142 = load i64, ptr %141, align 8, !tbaa !9
  %143 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %142)
          to label %144 unwind label %150

144:                                              ; preds = %138
  %145 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %143, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %146 unwind label %150

146:                                              ; preds = %144
  br label %147

147:                                              ; preds = %146
  %148 = load i32, ptr %21, align 4, !tbaa !5
  %149 = add nsw i32 %148, 1
  store i32 %149, ptr %21, align 4, !tbaa !5
  br label %129, !llvm.loop !15

150:                                              ; preds = %144, %138
  %151 = landingpad { ptr, i32 }
          cleanup
  %152 = extractvalue { ptr, i32 } %151, 0
  store ptr %152, ptr %9, align 8
  %153 = extractvalue { ptr, i32 } %151, 1
  store i32 %153, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  br label %155

154:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  ret void

155:                                              ; preds = %150, %134, %118
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #6
  br label %156

156:                                              ; preds = %155
  %157 = load ptr, ptr %9, align 8
  %158 = load i32, ptr %10, align 4
  %159 = insertvalue { ptr, i32 } poison, ptr %157, 0
  %160 = insertvalue { ptr, i32 } %159, i32 %158, 1
  resume { ptr, i32 } %160
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #1

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

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13UnionFindTreeC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13UnionFindTree4sameEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13UnionFindTree5uniteEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { 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 #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #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 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTSN13UnionFindTree4nodeE", !6, i64 0, !6, i64 4, !6, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.UnionFindTree = type { i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl" }
%"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl" = type { %"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl_data" }
%"struct.std::_Vector_base<UnionFindTree::node, std::allocator<UnionFindTree::node>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@N = external dso_local local_unnamed_addr global i32, align 4
@M = external dso_local local_unnamed_addr global i32, align 4
@A = external dso_local global %"class.std::vector", align 8
@B = external dso_local global %"class.std::vector", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.UnionFindTree, align 8
  %2 = alloca %"class.std::vector.5", align 8
  %3 = alloca i64, align 8
  %4 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #5
  %5 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @A) #5
  tail call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %4, ptr %5)
  %6 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @B) #5
  %7 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @B) #5
  tail call void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %6, ptr %7)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #5
  %8 = load i32, ptr @N, align 4, !tbaa !5
  call void @_ZN13UnionFindTreeC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef %8)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %9 = load i32, ptr @N, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = add nsw i32 %9, -1
  %12 = sext i32 %11 to i64
  %13 = mul nsw i64 %12, %10
  %14 = sdiv i64 %13, 2
  store i64 %14, ptr %3, align 8, !tbaa !9
  %15 = load i32, ptr @M, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %51, %0
  %17 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %18 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %17, ptr %18)
          to label %.preheader unwind label %55

.preheader:                                       ; preds = %._crit_edge
  %19 = load i32, ptr @M, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph45, label %._crit_edge46

.lr.ph:                                           ; preds = %0, %51
  %indvars.iv = phi i64 [ %indvars.iv.next, %51 ], [ 0, %0 ]
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
          to label %21 unwind label %41

21:                                               ; preds = %.lr.ph
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv) #5
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @B, i64 noundef %indvars.iv) #5
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = add nsw i32 %23, -1
  %27 = add nsw i32 %25, -1
  %28 = invoke noundef zeroext i1 @_ZN13UnionFindTree4sameEii(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef %26, i32 noundef %27)
          to label %29 unwind label %43

29:                                               ; preds = %21
  br i1 %28, label %51, label %30

30:                                               ; preds = %29
  %31 = invoke { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef %26)
          to label %32 unwind label %45

32:                                               ; preds = %30
  %33 = invoke { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef %27)
          to label %34 unwind label %47

34:                                               ; preds = %32
  %.fca.1.extract8 = extractvalue { i64, i32 } %31, 1
  %.fca.1.extract = extractvalue { i64, i32 } %33, 1
  %35 = sext i32 %.fca.1.extract8 to i64
  %36 = sext i32 %.fca.1.extract to i64
  %37 = mul nsw i64 %36, %35
  %38 = load i64, ptr %3, align 8, !tbaa !9
  %39 = sub nsw i64 %38, %37
  store i64 %39, ptr %3, align 8, !tbaa !9
  %40 = invoke noundef zeroext i1 @_ZN13UnionFindTree5uniteEii(ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef %26, i32 noundef %27)
          to label %51 unwind label %49

41:                                               ; preds = %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  br label %68

43:                                               ; preds = %21
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %68

45:                                               ; preds = %30
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %68

47:                                               ; preds = %32
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %68

49:                                               ; preds = %34
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %68

51:                                               ; preds = %34, %29
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %52 = load i32, ptr @M, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = icmp slt i64 %indvars.iv.next, %53
  br i1 %54, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge46:                                    ; preds = %62, %.preheader
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  ret void

55:                                               ; preds = %._crit_edge
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph45:                                         ; preds = %.preheader, %62
  %indvars.iv48 = phi i64 [ %indvars.iv.next49, %62 ], [ 0, %.preheader ]
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv48) #5
  %58 = load i64, ptr %57, align 8, !tbaa !9
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %58)
          to label %60 unwind label %66

60:                                               ; preds = %.lr.ph45
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %62 unwind label %66

62:                                               ; preds = %60
  %indvars.iv.next49 = add nuw nsw i64 %indvars.iv48, 1
  %63 = load i32, ptr @M, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = icmp slt i64 %indvars.iv.next49, %64
  br i1 %65, label %.lr.ph45, label %._crit_edge46, !llvm.loop !13

66:                                               ; preds = %60, %.lr.ph45
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %68

68:                                               ; preds = %41, %45, %49, %47, %43, %66, %55
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %67, %66 ], [ %56, %55 ], [ %42, %41 ], [ %44, %43 ], [ %46, %45 ], [ %50, %49 ], [ %48, %47 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn.pn.pn.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #1

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

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13UnionFindTreeC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13UnionFindTree4sameEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i32 } @_ZN13UnionFindTree4findEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN13UnionFindTree5uniteEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13UnionFindTreeD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

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

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

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


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass