; LLVM IR from tangjz/acm-icpc :: codeforces/complete (3A)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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" }

@x_s = external dso_local global i32, align 4
@y_s = external dso_local global i32, align 4
@x_t = external dso_local global i32, align 4
@y_t = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@_Z3outB5cxx11 = external dso_local global [8 x %"class.std::__cxx11::basic_string"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  %4 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %5 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %3)
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(4) @y_s)
  %7 = load i8, ptr %3, align 1, !tbaa !5
  %8 = sext i8 %7 to i32
  %9 = sub nsw i32 %8, 97
  %10 = add nsw i32 %9, 1
  store i32 %10, ptr @x_s, align 4, !tbaa !8
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %3)
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 4 dereferenceable(4) @y_t)
  %13 = load i8, ptr %3, align 1, !tbaa !5
  %14 = sext i8 %13 to i32
  %15 = sub nsw i32 %14, 97
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr @x_t, align 4, !tbaa !8
  br label %17

17:                                               ; preds = %27, %0
  %18 = load i32, ptr @x_s, align 4, !tbaa !8
  %19 = load i32, ptr @x_t, align 4, !tbaa !8
  %20 = icmp sgt i32 %18, %19
  br i1 %20, label %21, label %25

21:                                               ; preds = %17
  %22 = load i32, ptr @y_s, align 4, !tbaa !8
  %23 = load i32, ptr @y_t, align 4, !tbaa !8
  %24 = icmp slt i32 %22, %23
  br label %25

25:                                               ; preds = %21, %17
  %26 = phi i1 [ false, %17 ], [ %24, %21 ]
  br i1 %26, label %27, label %37

27:                                               ; preds = %25
  %28 = load i32, ptr @ans, align 4, !tbaa !8
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr @ans, align 4, !tbaa !8
  %30 = sext i32 %28 to i64
  %31 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %30
  %32 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %31, ptr noundef @.str)
  %33 = load i32, ptr @x_s, align 4, !tbaa !8
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr @x_s, align 4, !tbaa !8
  %35 = load i32, ptr @y_s, align 4, !tbaa !8
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr @y_s, align 4, !tbaa !8
  br label %17, !llvm.loop !10

37:                                               ; preds = %25
  br label %38

38:                                               ; preds = %48, %37
  %39 = load i32, ptr @x_s, align 4, !tbaa !8
  %40 = load i32, ptr @x_t, align 4, !tbaa !8
  %41 = icmp sgt i32 %39, %40
  br i1 %41, label %42, label %46

42:                                               ; preds = %38
  %43 = load i32, ptr @y_s, align 4, !tbaa !8
  %44 = load i32, ptr @y_t, align 4, !tbaa !8
  %45 = icmp sgt i32 %43, %44
  br label %46

46:                                               ; preds = %42, %38
  %47 = phi i1 [ false, %38 ], [ %45, %42 ]
  br i1 %47, label %48, label %58

48:                                               ; preds = %46
  %49 = load i32, ptr @ans, align 4, !tbaa !8
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr @ans, align 4, !tbaa !8
  %51 = sext i32 %49 to i64
  %52 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %51
  %53 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %52, ptr noundef @.str.2)
  %54 = load i32, ptr @x_s, align 4, !tbaa !8
  %55 = add nsw i32 %54, -1
  store i32 %55, ptr @x_s, align 4, !tbaa !8
  %56 = load i32, ptr @y_s, align 4, !tbaa !8
  %57 = add nsw i32 %56, -1
  store i32 %57, ptr @y_s, align 4, !tbaa !8
  br label %38, !llvm.loop !12

58:                                               ; preds = %46
  br label %59

59:                                               ; preds = %69, %58
  %60 = load i32, ptr @x_s, align 4, !tbaa !8
  %61 = load i32, ptr @x_t, align 4, !tbaa !8
  %62 = icmp slt i32 %60, %61
  br i1 %62, label %63, label %67

63:                                               ; preds = %59
  %64 = load i32, ptr @y_s, align 4, !tbaa !8
  %65 = load i32, ptr @y_t, align 4, !tbaa !8
  %66 = icmp slt i32 %64, %65
  br label %67

67:                                               ; preds = %63, %59
  %68 = phi i1 [ false, %59 ], [ %66, %63 ]
  br i1 %68, label %69, label %79

69:                                               ; preds = %67
  %70 = load i32, ptr @ans, align 4, !tbaa !8
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr @ans, align 4, !tbaa !8
  %72 = sext i32 %70 to i64
  %73 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %72
  %74 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %73, ptr noundef @.str.3)
  %75 = load i32, ptr @x_s, align 4, !tbaa !8
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr @x_s, align 4, !tbaa !8
  %77 = load i32, ptr @y_s, align 4, !tbaa !8
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr @y_s, align 4, !tbaa !8
  br label %59, !llvm.loop !13

79:                                               ; preds = %67
  br label %80

80:                                               ; preds = %90, %79
  %81 = load i32, ptr @x_s, align 4, !tbaa !8
  %82 = load i32, ptr @x_t, align 4, !tbaa !8
  %83 = icmp slt i32 %81, %82
  br i1 %83, label %84, label %88

84:                                               ; preds = %80
  %85 = load i32, ptr @y_s, align 4, !tbaa !8
  %86 = load i32, ptr @y_t, align 4, !tbaa !8
  %87 = icmp sgt i32 %85, %86
  br label %88

88:                                               ; preds = %84, %80
  %89 = phi i1 [ false, %80 ], [ %87, %84 ]
  br i1 %89, label %90, label %100

90:                                               ; preds = %88
  %91 = load i32, ptr @ans, align 4, !tbaa !8
  %92 = add nsw i32 %91, 1
  store i32 %92, ptr @ans, align 4, !tbaa !8
  %93 = sext i32 %91 to i64
  %94 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %93
  %95 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %94, ptr noundef @.str.4)
  %96 = load i32, ptr @x_s, align 4, !tbaa !8
  %97 = add nsw i32 %96, 1
  store i32 %97, ptr @x_s, align 4, !tbaa !8
  %98 = load i32, ptr @y_s, align 4, !tbaa !8
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr @y_s, align 4, !tbaa !8
  br label %80, !llvm.loop !14

100:                                              ; preds = %88
  br label %101

101:                                              ; preds = %105, %100
  %102 = load i32, ptr @x_s, align 4, !tbaa !8
  %103 = load i32, ptr @x_t, align 4, !tbaa !8
  %104 = icmp sgt i32 %102, %103
  br i1 %104, label %105, label %113

105:                                              ; preds = %101
  %106 = load i32, ptr @ans, align 4, !tbaa !8
  %107 = add nsw i32 %106, 1
  store i32 %107, ptr @ans, align 4, !tbaa !8
  %108 = sext i32 %106 to i64
  %109 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %108
  %110 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %109, ptr noundef @.str.5)
  %111 = load i32, ptr @x_s, align 4, !tbaa !8
  %112 = add nsw i32 %111, -1
  store i32 %112, ptr @x_s, align 4, !tbaa !8
  br label %101, !llvm.loop !15

113:                                              ; preds = %101
  br label %114

114:                                              ; preds = %118, %113
  %115 = load i32, ptr @x_s, align 4, !tbaa !8
  %116 = load i32, ptr @x_t, align 4, !tbaa !8
  %117 = icmp slt i32 %115, %116
  br i1 %117, label %118, label %126

118:                                              ; preds = %114
  %119 = load i32, ptr @ans, align 4, !tbaa !8
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr @ans, align 4, !tbaa !8
  %121 = sext i32 %119 to i64
  %122 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %121
  %123 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %122, ptr noundef @.str.6)
  %124 = load i32, ptr @x_s, align 4, !tbaa !8
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr @x_s, align 4, !tbaa !8
  br label %114, !llvm.loop !16

126:                                              ; preds = %114
  br label %127

127:                                              ; preds = %131, %126
  %128 = load i32, ptr @y_s, align 4, !tbaa !8
  %129 = load i32, ptr @y_t, align 4, !tbaa !8
  %130 = icmp slt i32 %128, %129
  br i1 %130, label %131, label %139

131:                                              ; preds = %127
  %132 = load i32, ptr @ans, align 4, !tbaa !8
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr @ans, align 4, !tbaa !8
  %134 = sext i32 %132 to i64
  %135 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %134
  %136 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %135, ptr noundef @.str.7)
  %137 = load i32, ptr @y_s, align 4, !tbaa !8
  %138 = add nsw i32 %137, 1
  store i32 %138, ptr @y_s, align 4, !tbaa !8
  br label %127, !llvm.loop !17

139:                                              ; preds = %127
  br label %140

140:                                              ; preds = %144, %139
  %141 = load i32, ptr @y_s, align 4, !tbaa !8
  %142 = load i32, ptr @y_t, align 4, !tbaa !8
  %143 = icmp sgt i32 %141, %142
  br i1 %143, label %144, label %152

144:                                              ; preds = %140
  %145 = load i32, ptr @ans, align 4, !tbaa !8
  %146 = add nsw i32 %145, 1
  store i32 %146, ptr @ans, align 4, !tbaa !8
  %147 = sext i32 %145 to i64
  %148 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %147
  %149 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %148, ptr noundef @.str.8)
  %150 = load i32, ptr @y_s, align 4, !tbaa !8
  %151 = add nsw i32 %150, -1
  store i32 %151, ptr @y_s, align 4, !tbaa !8
  br label %140, !llvm.loop !18

152:                                              ; preds = %140
  %153 = load i32, ptr @ans, align 4, !tbaa !8
  %154 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %153)
  %155 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %154, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 0, ptr %2, align 4, !tbaa !8
  br label %156

156:                                              ; preds = %166, %152
  %157 = load i32, ptr %2, align 4, !tbaa !8
  %158 = load i32, ptr @ans, align 4, !tbaa !8
  %159 = icmp slt i32 %157, %158
  br i1 %159, label %160, label %169

160:                                              ; preds = %156
  %161 = load i32, ptr %2, align 4, !tbaa !8
  %162 = sext i32 %161 to i64
  %163 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %162
  %164 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %163)
  %165 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %164, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %166

166:                                              ; preds = %160
  %167 = load i32, ptr %2, align 4, !tbaa !8
  %168 = add nsw i32 %167, 1
  store i32 %168, ptr %2, align 4, !tbaa !8
  br label %156, !llvm.loop !19

169:                                              ; preds = %156
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  ret i32 0
}

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

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #4

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

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"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" }

@x_s = external dso_local local_unnamed_addr global i32, align 4
@y_s = external dso_local global i32, align 4
@x_t = external dso_local local_unnamed_addr global i32, align 4
@y_t = external dso_local global i32, align 4
@ans = external dso_local local_unnamed_addr global i32, align 4
@_Z3outB5cxx11 = external dso_local global [8 x %"class.std::__cxx11::basic_string"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [2 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i8, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %1) #5
  %2 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %1)
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(4) @y_s)
  %5 = load i8, ptr %1, align 1, !tbaa !5
  %6 = sext i8 %5 to i32
  %7 = add nsw i32 %6, -96
  store i32 %7, ptr @x_s, align 4, !tbaa !8
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %1)
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef nonnull align 4 dereferenceable(4) @y_t)
  %10 = load i8, ptr %1, align 1, !tbaa !5
  %11 = sext i8 %10 to i32
  %12 = add nsw i32 %11, -96
  store i32 %12, ptr @x_t, align 4, !tbaa !8
  %13 = load i32, ptr @x_s, align 4, !tbaa !8
  %14 = icmp sgt i32 %13, %12
  %15 = load i32, ptr @y_s, align 4
  %16 = load i32, ptr @y_t, align 4
  %17 = icmp slt i32 %15, %16
  %18 = select i1 %14, i1 %17, i1 false
  br i1 %18, label %.lr.ph, label %.preheader8

.preheader8:                                      ; preds = %.lr.ph, %0
  %19 = phi i32 [ %16, %0 ], [ %37, %.lr.ph ]
  %20 = phi i32 [ %15, %0 ], [ %34, %.lr.ph ]
  %21 = phi i32 [ %12, %0 ], [ %35, %.lr.ph ]
  %22 = phi i32 [ %13, %0 ], [ %32, %.lr.ph ]
  %23 = icmp sgt i32 %22, %21
  %24 = icmp sgt i32 %20, %19
  %25 = select i1 %23, i1 %24, i1 false
  br i1 %25, label %.lr.ph9, label %.preheader7

.lr.ph:                                           ; preds = %0, %.lr.ph
  %26 = load i32, ptr @ans, align 4, !tbaa !8
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr @ans, align 4, !tbaa !8
  %28 = sext i32 %26 to i64
  %29 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %28
  %30 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %29, ptr noundef nonnull @.str)
  %31 = load i32, ptr @x_s, align 4, !tbaa !8
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr @x_s, align 4, !tbaa !8
  %33 = load i32, ptr @y_s, align 4, !tbaa !8
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr @y_s, align 4, !tbaa !8
  %35 = load i32, ptr @x_t, align 4, !tbaa !8
  %36 = icmp sgt i32 %32, %35
  %37 = load i32, ptr @y_t, align 4
  %38 = icmp slt i32 %34, %37
  %39 = select i1 %36, i1 %38, i1 false
  br i1 %39, label %.lr.ph, label %.preheader8, !llvm.loop !10

.preheader7:                                      ; preds = %.lr.ph9, %.preheader8
  %40 = phi i32 [ %19, %.preheader8 ], [ %58, %.lr.ph9 ]
  %41 = phi i32 [ %20, %.preheader8 ], [ %55, %.lr.ph9 ]
  %42 = phi i32 [ %21, %.preheader8 ], [ %56, %.lr.ph9 ]
  %43 = phi i32 [ %22, %.preheader8 ], [ %53, %.lr.ph9 ]
  %44 = icmp slt i32 %43, %42
  %45 = icmp slt i32 %41, %40
  %46 = select i1 %44, i1 %45, i1 false
  br i1 %46, label %.lr.ph10, label %.preheader6

.lr.ph9:                                          ; preds = %.preheader8, %.lr.ph9
  %47 = load i32, ptr @ans, align 4, !tbaa !8
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr @ans, align 4, !tbaa !8
  %49 = sext i32 %47 to i64
  %50 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %49
  %51 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %50, ptr noundef nonnull @.str.2)
  %52 = load i32, ptr @x_s, align 4, !tbaa !8
  %53 = add nsw i32 %52, -1
  store i32 %53, ptr @x_s, align 4, !tbaa !8
  %54 = load i32, ptr @y_s, align 4, !tbaa !8
  %55 = add nsw i32 %54, -1
  store i32 %55, ptr @y_s, align 4, !tbaa !8
  %56 = load i32, ptr @x_t, align 4, !tbaa !8
  %57 = icmp sgt i32 %53, %56
  %58 = load i32, ptr @y_t, align 4
  %59 = icmp sgt i32 %55, %58
  %60 = select i1 %57, i1 %59, i1 false
  br i1 %60, label %.lr.ph9, label %.preheader7, !llvm.loop !12

.preheader6:                                      ; preds = %.lr.ph10, %.preheader7
  %61 = phi i32 [ %40, %.preheader7 ], [ %79, %.lr.ph10 ]
  %62 = phi i32 [ %41, %.preheader7 ], [ %76, %.lr.ph10 ]
  %63 = phi i32 [ %42, %.preheader7 ], [ %77, %.lr.ph10 ]
  %64 = phi i32 [ %43, %.preheader7 ], [ %74, %.lr.ph10 ]
  %65 = icmp slt i32 %64, %63
  %66 = icmp sgt i32 %62, %61
  %67 = select i1 %65, i1 %66, i1 false
  br i1 %67, label %.lr.ph11, label %.preheader5

.lr.ph10:                                         ; preds = %.preheader7, %.lr.ph10
  %68 = load i32, ptr @ans, align 4, !tbaa !8
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr @ans, align 4, !tbaa !8
  %70 = sext i32 %68 to i64
  %71 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %70
  %72 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %71, ptr noundef nonnull @.str.3)
  %73 = load i32, ptr @x_s, align 4, !tbaa !8
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr @x_s, align 4, !tbaa !8
  %75 = load i32, ptr @y_s, align 4, !tbaa !8
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr @y_s, align 4, !tbaa !8
  %77 = load i32, ptr @x_t, align 4, !tbaa !8
  %78 = icmp slt i32 %74, %77
  %79 = load i32, ptr @y_t, align 4
  %80 = icmp slt i32 %76, %79
  %81 = select i1 %78, i1 %80, i1 false
  br i1 %81, label %.lr.ph10, label %.preheader6, !llvm.loop !13

.preheader5:                                      ; preds = %.lr.ph11, %.preheader6
  %82 = phi i32 [ %63, %.preheader6 ], [ %94, %.lr.ph11 ]
  %83 = phi i32 [ %64, %.preheader6 ], [ %91, %.lr.ph11 ]
  %84 = icmp sgt i32 %83, %82
  br i1 %84, label %.lr.ph12, label %.preheader4

.lr.ph11:                                         ; preds = %.preheader6, %.lr.ph11
  %85 = load i32, ptr @ans, align 4, !tbaa !8
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr @ans, align 4, !tbaa !8
  %87 = sext i32 %85 to i64
  %88 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %87
  %89 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %88, ptr noundef nonnull @.str.4)
  %90 = load i32, ptr @x_s, align 4, !tbaa !8
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr @x_s, align 4, !tbaa !8
  %92 = load i32, ptr @y_s, align 4, !tbaa !8
  %93 = add nsw i32 %92, -1
  store i32 %93, ptr @y_s, align 4, !tbaa !8
  %94 = load i32, ptr @x_t, align 4, !tbaa !8
  %95 = icmp slt i32 %91, %94
  %96 = load i32, ptr @y_t, align 4
  %97 = icmp sgt i32 %93, %96
  %98 = select i1 %95, i1 %97, i1 false
  br i1 %98, label %.lr.ph11, label %.preheader5, !llvm.loop !14

.preheader4:                                      ; preds = %.lr.ph12, %.preheader5
  %99 = phi i32 [ %82, %.preheader5 ], [ %109, %.lr.ph12 ]
  %100 = phi i32 [ %83, %.preheader5 ], [ %108, %.lr.ph12 ]
  %101 = icmp slt i32 %100, %99
  br i1 %101, label %.lr.ph13, label %.preheader3

.lr.ph12:                                         ; preds = %.preheader5, %.lr.ph12
  %102 = load i32, ptr @ans, align 4, !tbaa !8
  %103 = add nsw i32 %102, 1
  store i32 %103, ptr @ans, align 4, !tbaa !8
  %104 = sext i32 %102 to i64
  %105 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %104
  %106 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %105, ptr noundef nonnull @.str.5)
  %107 = load i32, ptr @x_s, align 4, !tbaa !8
  %108 = add nsw i32 %107, -1
  store i32 %108, ptr @x_s, align 4, !tbaa !8
  %109 = load i32, ptr @x_t, align 4, !tbaa !8
  %110 = icmp sgt i32 %108, %109
  br i1 %110, label %.lr.ph12, label %.preheader4, !llvm.loop !15

.preheader3:                                      ; preds = %.lr.ph13, %.preheader4
  %111 = load i32, ptr @y_s, align 4, !tbaa !8
  %112 = load i32, ptr @y_t, align 4, !tbaa !8
  %113 = icmp slt i32 %111, %112
  br i1 %113, label %.lr.ph14, label %.preheader

.lr.ph13:                                         ; preds = %.preheader4, %.lr.ph13
  %114 = load i32, ptr @ans, align 4, !tbaa !8
  %115 = add nsw i32 %114, 1
  store i32 %115, ptr @ans, align 4, !tbaa !8
  %116 = sext i32 %114 to i64
  %117 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %116
  %118 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %117, ptr noundef nonnull @.str.6)
  %119 = load i32, ptr @x_s, align 4, !tbaa !8
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr @x_s, align 4, !tbaa !8
  %121 = load i32, ptr @x_t, align 4, !tbaa !8
  %122 = icmp slt i32 %120, %121
  br i1 %122, label %.lr.ph13, label %.preheader3, !llvm.loop !16

.preheader:                                       ; preds = %.lr.ph14, %.preheader3
  %123 = phi i32 [ %112, %.preheader3 ], [ %133, %.lr.ph14 ]
  %124 = phi i32 [ %111, %.preheader3 ], [ %132, %.lr.ph14 ]
  %125 = icmp sgt i32 %124, %123
  br i1 %125, label %.lr.ph15, label %._crit_edge

.lr.ph14:                                         ; preds = %.preheader3, %.lr.ph14
  %126 = load i32, ptr @ans, align 4, !tbaa !8
  %127 = add nsw i32 %126, 1
  store i32 %127, ptr @ans, align 4, !tbaa !8
  %128 = sext i32 %126 to i64
  %129 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %128
  %130 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %129, ptr noundef nonnull @.str.7)
  %131 = load i32, ptr @y_s, align 4, !tbaa !8
  %132 = add nsw i32 %131, 1
  store i32 %132, ptr @y_s, align 4, !tbaa !8
  %133 = load i32, ptr @y_t, align 4, !tbaa !8
  %134 = icmp slt i32 %132, %133
  br i1 %134, label %.lr.ph14, label %.preheader, !llvm.loop !17

.lr.ph15:                                         ; preds = %.preheader, %.lr.ph15
  %135 = load i32, ptr @ans, align 4, !tbaa !8
  %136 = add nsw i32 %135, 1
  store i32 %136, ptr @ans, align 4, !tbaa !8
  %137 = sext i32 %135 to i64
  %138 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %137
  %139 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32) %138, ptr noundef nonnull @.str.8)
  %140 = load i32, ptr @y_s, align 4, !tbaa !8
  %141 = add nsw i32 %140, -1
  store i32 %141, ptr @y_s, align 4, !tbaa !8
  %142 = load i32, ptr @y_t, align 4, !tbaa !8
  %143 = icmp sgt i32 %141, %142
  br i1 %143, label %.lr.ph15, label %._crit_edge, !llvm.loop !18

._crit_edge:                                      ; preds = %.lr.ph15, %.preheader
  %144 = load i32, ptr @ans, align 4, !tbaa !8
  %145 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %144)
  %146 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %145, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %147 = load i32, ptr @ans, align 4, !tbaa !8
  %148 = icmp sgt i32 %147, 0
  br i1 %148, label %.lr.ph18, label %._crit_edge19

.lr.ph18:                                         ; preds = %._crit_edge, %.lr.ph18
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph18 ], [ 0, %._crit_edge ]
  %149 = getelementptr inbounds [8 x %"class.std::__cxx11::basic_string"], ptr @_Z3outB5cxx11, i64 0, i64 %indvars.iv
  %150 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %149)
  %151 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %150, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %152 = load i32, ptr @ans, align 4, !tbaa !8
  %153 = sext i32 %152 to i64
  %154 = icmp slt i64 %indvars.iv.next, %153
  br i1 %154, label %.lr.ph18, label %._crit_edge19, !llvm.loop !19

._crit_edge19:                                    ; preds = %.lr.ph18, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #5
  ret i32 0
}

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

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #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 #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

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

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!17 = distinct !{!17, !11}
!18 = distinct !{!18, !11}
!19 = distinct !{!19, !11}


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