; LLVM IR from xirc/cp-algorithm :: aoj/CGL/CGL4C (main)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%struct.vector2 = type { double, double }
%"struct.std::_Setprecision" = type { i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z12polygon_areaRKSt6vectorI7vector2SaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24)) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10convex_cutRKSt6vectorI7vector2SaIS0_EERKS0_S6_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %struct.vector2, align 8
  %10 = alloca %struct.vector2, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca double, align 8
  %14 = alloca %"struct.std::_Setprecision", align 4
  store i32 0, ptr %1, align 4
  %15 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %16 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %17 = getelementptr i8, ptr %16, i64 -24
  %18 = load i64, ptr %17, align 8
  %19 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %18
  %20 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %19, ptr noundef null)
  %21 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %22 = getelementptr i8, ptr %21, i64 -24
  %23 = load i64, ptr %22, align 8
  %24 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %23
  %25 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %24, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %27 = load i32, ptr %2, align 4, !tbaa !8
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %29 unwind label %35

29:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %30

30:                                               ; preds = %52, %29
  %31 = load i32, ptr %7, align 4, !tbaa !8
  %32 = load i32, ptr %2, align 4, !tbaa !8
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %39, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %59

35:                                               ; preds = %0
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %5, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %6, align 4
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %133

39:                                               ; preds = %30
  %40 = load i32, ptr %7, align 4, !tbaa !8
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %41) #7
  %43 = getelementptr inbounds %struct.vector2, ptr %42, i32 0, i32 0
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %43)
          to label %45 unwind label %55

45:                                               ; preds = %39
  %46 = load i32, ptr %7, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %47) #7
  %49 = getelementptr inbounds %struct.vector2, ptr %48, i32 0, i32 1
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 8 dereferenceable(8) %49)
          to label %51 unwind label %55

51:                                               ; preds = %45
  br label %52

52:                                               ; preds = %51
  %53 = load i32, ptr %7, align 4, !tbaa !8
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %7, align 4, !tbaa !8
  br label %30, !llvm.loop !11

55:                                               ; preds = %45, %39
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %5, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %132

59:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %60 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %61 unwind label %69

61:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #7
  invoke void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16) %9)
          to label %62 unwind label %73

62:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 16, ptr %10) #7
  invoke void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16) %10)
          to label %63 unwind label %77

63:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !8
  br label %64

64:                                               ; preds = %110, %63
  %65 = load i32, ptr %11, align 4, !tbaa !8
  %66 = load i32, ptr %8, align 4, !tbaa !8
  %67 = icmp slt i32 %65, %66
  br i1 %67, label %81, label %68

68:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %127

69:                                               ; preds = %59
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %5, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %6, align 4
  br label %131

73:                                               ; preds = %61
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %5, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %6, align 4
  br label %130

77:                                               ; preds = %62
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %5, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %6, align 4
  br label %129

81:                                               ; preds = %64
  %82 = getelementptr inbounds %struct.vector2, ptr %9, i32 0, i32 0
  %83 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %82)
          to label %84 unwind label %113

84:                                               ; preds = %81
  %85 = getelementptr inbounds %struct.vector2, ptr %9, i32 0, i32 1
  %86 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %83, ptr noundef nonnull align 8 dereferenceable(8) %85)
          to label %87 unwind label %113

87:                                               ; preds = %84
  %88 = getelementptr inbounds %struct.vector2, ptr %10, i32 0, i32 0
  %89 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %86, ptr noundef nonnull align 8 dereferenceable(8) %88)
          to label %90 unwind label %113

90:                                               ; preds = %87
  %91 = getelementptr inbounds %struct.vector2, ptr %10, i32 0, i32 1
  %92 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %89, ptr noundef nonnull align 8 dereferenceable(8) %91)
          to label %93 unwind label %113

93:                                               ; preds = %90
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #7
  invoke void @_Z10convex_cutRKSt6vectorI7vector2SaIS0_EERKS0_S6_(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %12, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 8 dereferenceable(16) %10)
          to label %94 unwind label %117

94:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %95 = call noundef double @_Z12polygon_areaRKSt6vectorI7vector2SaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %12)
  store double %95, ptr %13, align 8, !tbaa !13
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt5fixedRSt8ios_base)
          to label %97 unwind label %121

97:                                               ; preds = %94
  %98 = invoke i32 @_ZSt12setprecisioni(i32 noundef 6)
          to label %99 unwind label %121

99:                                               ; preds = %97
  %100 = getelementptr inbounds %"struct.std::_Setprecision", ptr %14, i32 0, i32 0
  store i32 %98, ptr %100, align 4
  %101 = getelementptr inbounds %"struct.std::_Setprecision", ptr %14, i32 0, i32 0
  %102 = load i32, ptr %101, align 4
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %96, i32 %102)
          to label %104 unwind label %121

104:                                              ; preds = %99
  %105 = load double, ptr %13, align 8, !tbaa !13
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %103, double noundef %105)
          to label %107 unwind label %121

107:                                              ; preds = %104
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %121

109:                                              ; preds = %107
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %11, align 4, !tbaa !8
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %11, align 4, !tbaa !8
  br label %64, !llvm.loop !15

113:                                              ; preds = %90, %87, %84, %81
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %5, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %6, align 4
  br label %126

117:                                              ; preds = %93
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %5, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %6, align 4
  br label %125

121:                                              ; preds = %107, %104, %99, %97, %94
  %122 = landingpad { ptr, i32 }
          cleanup
  %123 = extractvalue { ptr, i32 } %122, 0
  store ptr %123, ptr %5, align 8
  %124 = extractvalue { ptr, i32 } %122, 1
  store i32 %124, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %125

125:                                              ; preds = %121, %117
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #7
  br label %126

126:                                              ; preds = %125, %113
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %129

127:                                              ; preds = %68
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %128 = load i32, ptr %1, align 4
  ret i32 %128

129:                                              ; preds = %126, %77
  call void @llvm.lifetime.end.p0(i64 16, ptr %10) #7
  br label %130

130:                                              ; preds = %129, %73
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #7
  br label %131

131:                                              ; preds = %130, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %132

132:                                              ; preds = %131, %55
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %133

133:                                              ; preds = %132, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %134

134:                                              ; preds = %133
  %135 = load ptr, ptr %5, align 8
  %136 = load i32, ptr %6, align 4
  %137 = insertvalue { ptr, i32 } poison, ptr %135, 0
  %138 = insertvalue { ptr, i32 } %137, i32 %136, 1
  resume { ptr, i32 } %138
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double 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) #2 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "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 = { 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 #7 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"double", !10, i64 0}
!15 = distinct !{!15, !12}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl" = type { %"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" }
%"struct.std::_Vector_base<vector2, std::allocator<vector2>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%struct.vector2 = type { double, double }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef double @_Z12polygon_areaRKSt6vectorI7vector2SaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z10convex_cutRKSt6vectorI7vector2SaIS0_EERKS0_S6_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = alloca %struct.vector2, align 8
  %6 = alloca %struct.vector2, align 8
  %7 = alloca %"class.std::vector", align 8
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  %14 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %16
  %18 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %20 = load i32, ptr %1, align 4, !tbaa !8
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %22 unwind label %26

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  %23 = load i32, ptr %1, align 4, !tbaa !8
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %34, %22
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %40 unwind label %45

26:                                               ; preds = %0
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %80

.lr.ph:                                           ; preds = %22, %34
  %indvars.iv = phi i64 [ %indvars.iv.next, %34 ], [ 0, %22 ]
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %28)
          to label %30 unwind label %38

30:                                               ; preds = %.lr.ph
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %32 = getelementptr inbounds i8, ptr %31, i64 8
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 8 dereferenceable(8) %32)
          to label %34 unwind label %38

34:                                               ; preds = %30
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = load i32, ptr %1, align 4, !tbaa !8
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next, %36
  br i1 %37, label %.lr.ph, label %._crit_edge, !llvm.loop !11

38:                                               ; preds = %30, %.lr.ph
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %79

40:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #7
  call void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #7
  call void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16) %6)
  %41 = load i32, ptr %4, align 4, !tbaa !8
  %42 = icmp sgt i32 %41, 0
  br i1 %42, label %.lr.ph25, label %._crit_edge26

.lr.ph25:                                         ; preds = %40
  %43 = getelementptr inbounds i8, ptr %5, i64 8
  %44 = getelementptr inbounds i8, ptr %6, i64 8
  br label %47

._crit_edge26:                                    ; preds = %66, %40
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

45:                                               ; preds = %._crit_edge
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %78

47:                                               ; preds = %.lr.ph25, %66
  %.0923 = phi i32 [ 0, %.lr.ph25 ], [ %67, %66 ]
  %48 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %49 unwind label %70

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 8 dereferenceable(8) %43)
          to label %51 unwind label %70

51:                                               ; preds = %49
  %52 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %50, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %53 unwind label %70

53:                                               ; preds = %51
  %54 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16) %52, ptr noundef nonnull align 8 dereferenceable(8) %44)
          to label %55 unwind label %70

55:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  invoke void @_Z10convex_cutRKSt6vectorI7vector2SaIS0_EERKS0_S6_(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %56 unwind label %72

56:                                               ; preds = %55
  %57 = call noundef double @_Z12polygon_areaRKSt6vectorI7vector2SaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %7)
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt5fixedRSt8ios_base)
          to label %59 unwind label %74

59:                                               ; preds = %56
  %60 = call i32 @_ZSt12setprecisioni(i32 noundef 6)
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8) %58, i32 %60)
          to label %62 unwind label %74

62:                                               ; preds = %59
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8) %61, double noundef %57)
          to label %64 unwind label %74

64:                                               ; preds = %62
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %66 unwind label %74

66:                                               ; preds = %64
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  %67 = add nuw nsw i32 %.0923, 1
  %68 = load i32, ptr %4, align 4, !tbaa !8
  %69 = icmp slt i32 %67, %68
  br i1 %69, label %47, label %._crit_edge26, !llvm.loop !13

70:                                               ; preds = %53, %51, %49, %47
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %77

72:                                               ; preds = %55
  %73 = landingpad { ptr, i32 }
          cleanup
  br label %76

74:                                               ; preds = %64, %62, %59, %56
  %75 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  br label %76

76:                                               ; preds = %74, %72
  %.pn = phi { ptr, i32 } [ %75, %74 ], [ %73, %72 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  br label %77

77:                                               ; preds = %76, %70
  %.pn.pn = phi { ptr, i32 } [ %.pn, %76 ], [ %71, %70 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #7
  br label %78

78:                                               ; preds = %77, %45
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %77 ], [ %46, %45 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %79

79:                                               ; preds = %78, %38
  %.pn19 = phi { ptr, i32 } [ %39, %38 ], [ %.pn.pn.pn, %78 ]
  call void @_ZNSt6vectorI7vector2SaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %80

80:                                               ; preds = %79, %26
  %.pn19.pn = phi { ptr, i32 } [ %.pn19, %79 ], [ %27, %26 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn19.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaI7vector2EC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI7vector2SaIS0_EEC2EmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERd(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorI7vector2SaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7vector2C2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_St13_Setprecision(ptr noundef nonnull align 8 dereferenceable(8), i32) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSt8ios_baseS0_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(216) ptr @_ZSt5fixedRSt8ios_base(ptr noundef nonnull align 8 dereferenceable(216)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local i32 @_ZSt12setprecisioni(i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEd(ptr noundef nonnull align 8 dereferenceable(8), double 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 #2 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorI7vector2ED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "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 = { 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 #7 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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