; LLVM IR from abeaumont/competitive-programming :: hackerrank/data-structures (truck-tour)

; 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 i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %11 = 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)
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = zext i32 %12 to i64
  %14 = call ptr @llvm.stacksave.p0()
  store ptr %14, ptr %3, align 8
  %15 = alloca i64, i64 %13, align 16
  store i64 %13, ptr %4, align 8
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = zext i32 %16 to i64
  %18 = alloca i64, i64 %17, align 16
  store i64 %17, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  store i64 0, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %33, %0
  %20 = load i32, ptr %9, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %36

24:                                               ; preds = %19
  %25 = load i32, ptr %9, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds i64, ptr %15, i64 %26
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %27)
  %29 = load i32, ptr %9, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i64, ptr %18, i64 %30
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 8 dereferenceable(8) %31)
  br label %33

33:                                               ; preds = %24
  %34 = load i32, ptr %9, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %9, align 4, !tbaa !5
  br label %19, !llvm.loop !11

36:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %81, %36
  %38 = load i32, ptr %10, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = load i64, ptr %8, align 8, !tbaa !9
  %43 = add nsw i64 %41, %42
  %44 = icmp slt i64 %39, %43
  br i1 %44, label %46, label %45

45:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %84

46:                                               ; preds = %37
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = load i32, ptr %2, align 4, !tbaa !5
  %49 = srem i32 %47, %48
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds i64, ptr %15, i64 %50
  %52 = load i64, ptr %51, align 8, !tbaa !9
  %53 = load i64, ptr %6, align 8, !tbaa !9
  %54 = add nsw i64 %53, %52
  store i64 %54, ptr %6, align 8, !tbaa !9
  %55 = load i32, ptr %10, align 4, !tbaa !5
  %56 = load i32, ptr %2, align 4, !tbaa !5
  %57 = srem i32 %55, %56
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds i64, ptr %18, i64 %58
  %60 = load i64, ptr %59, align 8, !tbaa !9
  %61 = load i64, ptr %7, align 8, !tbaa !9
  %62 = add nsw i64 %61, %60
  store i64 %62, ptr %7, align 8, !tbaa !9
  br label %63

63:                                               ; preds = %67, %46
  %64 = load i64, ptr %6, align 8, !tbaa !9
  %65 = load i64, ptr %7, align 8, !tbaa !9
  %66 = icmp slt i64 %64, %65
  br i1 %66, label %67, label %80

67:                                               ; preds = %63
  %68 = load i64, ptr %8, align 8, !tbaa !9
  %69 = getelementptr inbounds i64, ptr %15, i64 %68
  %70 = load i64, ptr %69, align 8, !tbaa !9
  %71 = load i64, ptr %6, align 8, !tbaa !9
  %72 = sub nsw i64 %71, %70
  store i64 %72, ptr %6, align 8, !tbaa !9
  %73 = load i64, ptr %8, align 8, !tbaa !9
  %74 = getelementptr inbounds i64, ptr %18, i64 %73
  %75 = load i64, ptr %74, align 8, !tbaa !9
  %76 = load i64, ptr %7, align 8, !tbaa !9
  %77 = sub nsw i64 %76, %75
  store i64 %77, ptr %7, align 8, !tbaa !9
  %78 = load i64, ptr %8, align 8, !tbaa !9
  %79 = add nsw i64 %78, 1
  store i64 %79, ptr %8, align 8, !tbaa !9
  br label %63, !llvm.loop !13

80:                                               ; preds = %63
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %10, align 4, !tbaa !5
  %83 = add nsw i32 %82, 1
  store i32 %83, ptr %10, align 4, !tbaa !5
  br label %37, !llvm.loop !14

84:                                               ; preds = %45
  %85 = load i64, ptr %8, align 8, !tbaa !9
  %86 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %85)
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %88 = load ptr, ptr %3, align 8
  call void @llvm.stackrestore.p0(ptr %88)
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %89 = load i32, ptr %1, align 4
  ret i32 %89
}

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

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: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; 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)) #4 align 2

; 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) #4 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) #4 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: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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" }

@_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 i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %2 = 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)
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = zext i32 %3 to i64
  %5 = call ptr @llvm.stacksave.p0()
  %6 = alloca i64, i64 %4, align 16
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = zext i32 %7 to i64
  %9 = alloca i64, i64 %8, align 16
  %10 = icmp sgt i32 %7, 0
  br i1 %10, label %.lr.ph, label %._crit_edge39

.preheader:                                       ; preds = %.lr.ph
  %11 = icmp sgt i32 %16, 0
  br i1 %11, label %.lr.ph38, label %._crit_edge39

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %12 = getelementptr inbounds i64, ptr %6, i64 %indvars.iv
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %12)
  %14 = getelementptr inbounds i64, ptr %9, i64 %indvars.iv
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERx(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 8 dereferenceable(8) %14)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = icmp slt i64 %indvars.iv.next, %17
  br i1 %18, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge39:                                    ; preds = %._crit_edge, %0, %.preheader
  %.021.lcssa = phi i64 [ 0, %.preheader ], [ 0, %0 ], [ %.1.lcssa, %._crit_edge ]
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.021.lcssa)
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.stackrestore.p0(ptr %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph38:                                         ; preds = %.preheader, %._crit_edge
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %._crit_edge ], [ 0, %.preheader ]
  %.02136 = phi i64 [ %.1.lcssa, %._crit_edge ], [ 0, %.preheader ]
  %.02235 = phi i64 [ %.123.lcssa, %._crit_edge ], [ 0, %.preheader ]
  %.02434 = phi i64 [ %.125.lcssa, %._crit_edge ], [ 0, %.preheader ]
  %21 = trunc nuw nsw i64 %indvars.iv46 to i32
  %22 = urem i32 %21, %16
  %23 = zext nneg i32 %22 to i64
  %24 = getelementptr inbounds i64, ptr %6, i64 %23
  %25 = load i64, ptr %24, align 8, !tbaa !11
  %26 = add nsw i64 %25, %.02434
  %27 = getelementptr inbounds i64, ptr %9, i64 %23
  %28 = load i64, ptr %27, align 8, !tbaa !11
  %29 = add nsw i64 %28, %.02235
  %30 = icmp slt i64 %26, %29
  br i1 %30, label %.lr.ph30, label %._crit_edge

.lr.ph30:                                         ; preds = %.lr.ph38, %.lr.ph30
  %.129 = phi i64 [ %37, %.lr.ph30 ], [ %.02136, %.lr.ph38 ]
  %.12328 = phi i64 [ %36, %.lr.ph30 ], [ %29, %.lr.ph38 ]
  %.12527 = phi i64 [ %33, %.lr.ph30 ], [ %26, %.lr.ph38 ]
  %31 = getelementptr inbounds i64, ptr %6, i64 %.129
  %32 = load i64, ptr %31, align 8, !tbaa !11
  %33 = sub nsw i64 %.12527, %32
  %34 = getelementptr inbounds i64, ptr %9, i64 %.129
  %35 = load i64, ptr %34, align 8, !tbaa !11
  %36 = sub nsw i64 %.12328, %35
  %37 = add nsw i64 %.129, 1
  %38 = icmp slt i64 %33, %36
  br i1 %38, label %.lr.ph30, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph30, %.lr.ph38
  %.125.lcssa = phi i64 [ %26, %.lr.ph38 ], [ %33, %.lr.ph30 ]
  %.123.lcssa = phi i64 [ %29, %.lr.ph38 ], [ %36, %.lr.ph30 ]
  %.1.lcssa = phi i64 [ %.02136, %.lr.ph38 ], [ %37, %.lr.ph30 ]
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %39 = add nsw i64 %.1.lcssa, %17
  %40 = icmp sgt i64 %39, %indvars.iv.next47
  br i1 %40, label %.lr.ph38, label %._crit_edge39, !llvm.loop !14
}

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

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 nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; 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 #4 align 2

; 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 #4 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 #4 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 nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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 nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"long long", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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