; LLVM IR from abeaumont/competitive-programming :: codeforces/1056 (b)

; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_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 i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(8) %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store i64 1, ptr %5, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %91, %0
  %13 = load i64, ptr %5, align 8, !tbaa !5
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %15 = load i64, ptr %14, align 8, !tbaa !5
  %16 = icmp sle i64 %13, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %12
  store i32 2, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %94

18:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store i64 1, ptr %8, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %65, %18
  %20 = load i64, ptr %8, align 8, !tbaa !5
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %22 = load i64, ptr %21, align 8, !tbaa !5
  %23 = icmp sle i64 %20, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %19
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %68

25:                                               ; preds = %19
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = srem i64 %26, %27
  %29 = load i64, ptr %5, align 8, !tbaa !5
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = srem i64 %29, %30
  %32 = mul nsw i64 %28, %31
  %33 = load i64, ptr %8, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = srem i64 %33, %34
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = load i64, ptr %3, align 8, !tbaa !5
  %38 = srem i64 %36, %37
  %39 = mul nsw i64 %35, %38
  %40 = add nsw i64 %32, %39
  %41 = load i64, ptr %3, align 8, !tbaa !5
  %42 = srem i64 %40, %41
  %43 = icmp eq i64 %42, 0
  br i1 %43, label %44, label %64

44:                                               ; preds = %25
  %45 = load i64, ptr %2, align 8, !tbaa !5
  %46 = load i64, ptr %3, align 8, !tbaa !5
  %47 = sdiv i64 %45, %46
  %48 = load i64, ptr %7, align 8, !tbaa !5
  %49 = add nsw i64 %48, %47
  store i64 %49, ptr %7, align 8, !tbaa !5
  %50 = load i64, ptr %2, align 8, !tbaa !5
  %51 = load i64, ptr %3, align 8, !tbaa !5
  %52 = srem i64 %50, %51
  %53 = icmp sgt i64 %52, 0
  br i1 %53, label %54, label %63

54:                                               ; preds = %44
  %55 = load i64, ptr %8, align 8, !tbaa !5
  %56 = load i64, ptr %2, align 8, !tbaa !5
  %57 = load i64, ptr %3, align 8, !tbaa !5
  %58 = srem i64 %56, %57
  %59 = icmp sle i64 %55, %58
  br i1 %59, label %60, label %63

60:                                               ; preds = %54
  %61 = load i64, ptr %7, align 8, !tbaa !5
  %62 = add nsw i64 %61, 1
  store i64 %62, ptr %7, align 8, !tbaa !5
  br label %63

63:                                               ; preds = %60, %54, %44
  br label %64

64:                                               ; preds = %63, %25
  br label %65

65:                                               ; preds = %64
  %66 = load i64, ptr %8, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  store i64 %67, ptr %8, align 8, !tbaa !5
  br label %19, !llvm.loop !9

68:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %69 = load i64, ptr %2, align 8, !tbaa !5
  %70 = load i64, ptr %3, align 8, !tbaa !5
  %71 = sdiv i64 %69, %70
  store i64 %71, ptr %9, align 8, !tbaa !5
  %72 = load i64, ptr %2, align 8, !tbaa !5
  %73 = load i64, ptr %3, align 8, !tbaa !5
  %74 = srem i64 %72, %73
  %75 = icmp sgt i64 %74, 0
  br i1 %75, label %76, label %85

76:                                               ; preds = %68
  %77 = load i64, ptr %5, align 8, !tbaa !5
  %78 = load i64, ptr %2, align 8, !tbaa !5
  %79 = load i64, ptr %3, align 8, !tbaa !5
  %80 = srem i64 %78, %79
  %81 = icmp sle i64 %77, %80
  br i1 %81, label %82, label %85

82:                                               ; preds = %76
  %83 = load i64, ptr %9, align 8, !tbaa !5
  %84 = add nsw i64 %83, 1
  store i64 %84, ptr %9, align 8, !tbaa !5
  br label %85

85:                                               ; preds = %82, %76, %68
  %86 = load i64, ptr %7, align 8, !tbaa !5
  %87 = load i64, ptr %9, align 8, !tbaa !5
  %88 = mul nsw i64 %86, %87
  %89 = load i64, ptr %4, align 8, !tbaa !5
  %90 = add nsw i64 %89, %88
  store i64 %90, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %91

91:                                               ; preds = %85
  %92 = load i64, ptr %5, align 8, !tbaa !5
  %93 = add nsw i64 %92, 1
  store i64 %93, ptr %5, align 8, !tbaa !5
  br label %12, !llvm.loop !11

94:                                               ; preds = %17
  %95 = load i64, ptr %4, align 8, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %95)
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %98 = load i32, ptr %1, align 4
  ret i32 %98
}

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

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

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

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 = { 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

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


; 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" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_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 i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %3 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %5 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %.not33 = icmp slt i64 %6, 1
  br i1 %.not33, label %._crit_edge36, label %.preheader

.preheader:                                       ; preds = %0, %._crit_edge
  %.02035 = phi i64 [ %19, %._crit_edge ], [ 1, %0 ]
  %.02134 = phi i64 [ %18, %._crit_edge ], [ 0, %0 ]
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %8 = load i64, ptr %7, align 8, !tbaa !5
  %.not2430 = icmp slt i64 %8, 1
  br i1 %.not2430, label %._crit_edge, label %.lr.ph

._crit_edge36:                                    ; preds = %._crit_edge, %0
  %.021.lcssa = phi i64 [ 0, %0 ], [ %18, %._crit_edge ]
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.021.lcssa)
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0

._crit_edge:                                      ; preds = %37, %.preheader
  %.019.lcssa = phi i64 [ 0, %.preheader ], [ %.1, %37 ]
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = sdiv i64 %11, %12
  %14 = srem i64 %11, %12
  %15 = icmp sgt i64 %14, 0
  %.not25 = icmp sle i64 %.02035, %14
  %or.cond27.not = select i1 %15, i1 %.not25, i1 false
  %16 = zext i1 %or.cond27.not to i64
  %.0 = add nsw i64 %13, %16
  %17 = mul nsw i64 %.0, %.019.lcssa
  %18 = add nsw i64 %17, %.02134
  %19 = add nuw nsw i64 %.02035, 1
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %21 = load i64, ptr %20, align 8, !tbaa !5
  %.not.not = icmp slt i64 %.02035, %21
  br i1 %.not.not, label %.preheader, label %._crit_edge36, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader, %37
  %.01832 = phi i64 [ %38, %37 ], [ 1, %.preheader ]
  %.01931 = phi i64 [ %.1, %37 ], [ 0, %.preheader ]
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = srem i64 %.02035, %22
  %24 = mul nuw nsw i64 %23, %23
  %25 = srem i64 %.01832, %22
  %26 = mul nuw nsw i64 %25, %25
  %27 = add nuw nsw i64 %26, %24
  %28 = srem i64 %27, %22
  %29 = icmp eq i64 %28, 0
  br i1 %29, label %30, label %37

30:                                               ; preds = %.lr.ph
  %31 = load i64, ptr %1, align 8, !tbaa !5
  %32 = sdiv i64 %31, %22
  %33 = add nsw i64 %32, %.01931
  %34 = srem i64 %31, %22
  %35 = icmp sgt i64 %34, 0
  %.not26 = icmp sle i64 %.01832, %34
  %or.cond.not = and i1 %35, %.not26
  %36 = zext i1 %or.cond.not to i64
  %spec.select = add nsw i64 %33, %36
  br label %37

37:                                               ; preds = %30, %.lr.ph
  %.1 = phi i64 [ %.01931, %.lr.ph ], [ %spec.select, %30 ]
  %38 = add nuw nsw i64 %.01832, 1
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2)
  %40 = load i64, ptr %39, align 8, !tbaa !5
  %.not24.not = icmp slt i64 %.01832, %40
  br i1 %.not24.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3minIxERKT_S2_S2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

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

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

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 = { 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 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

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


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