; LLVM IR from tangjz/acm-icpc :: lydsy (1029)

; 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"

%"struct.std::pair" = type { i32, i32 }
%"class.std::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@n = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@t = external dso_local global [150010 x %"struct.std::pair"], align 16
@q = external dso_local global %"class.std::priority_queue", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %7

7:                                                ; preds = %22, %0
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr @n, align 4, !tbaa !5
  %10 = icmp slt i32 %8, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %25

12:                                               ; preds = %7
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %14
  %16 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 1
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %18
  %20 = getelementptr inbounds %"struct.std::pair", ptr %19, i32 0, i32 0
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %16, ptr noundef %20)
  br label %22

22:                                               ; preds = %12
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %2, align 4, !tbaa !5
  br label %7, !llvm.loop !9

25:                                               ; preds = %11
  %26 = load i32, ptr @n, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = getelementptr inbounds %"struct.std::pair", ptr @t, i64 %27
  call void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef @t, ptr noundef %28)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  br label %29

29:                                               ; preds = %88, %25
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %31 = load i32, ptr @n, align 4, !tbaa !5
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  br label %91

34:                                               ; preds = %29
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %37
  %39 = getelementptr inbounds %"struct.std::pair", ptr %38, i32 0, i32 1
  %40 = load i32, ptr %39, align 4, !tbaa !11
  %41 = add nsw i32 %35, %40
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %43
  %45 = getelementptr inbounds %"struct.std::pair", ptr %44, i32 0, i32 0
  %46 = load i32, ptr %45, align 8, !tbaa !13
  %47 = icmp sle i32 %41, %46
  br i1 %47, label %48, label %62

48:                                               ; preds = %34
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %50
  %52 = getelementptr inbounds %"struct.std::pair", ptr %51, i32 0, i32 1
  %53 = load i32, ptr %52, align 4, !tbaa !11
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = add nsw i32 %54, %53
  store i32 %55, ptr %4, align 4, !tbaa !5
  %56 = load i32, ptr %3, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %57
  %59 = getelementptr inbounds %"struct.std::pair", ptr %58, i32 0, i32 1
  call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25) @q, ptr noundef nonnull align 4 dereferenceable(4) %59)
  %60 = load i32, ptr @ans, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr @ans, align 4, !tbaa !5
  br label %87

62:                                               ; preds = %34
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) @q)
  %64 = load i32, ptr %63, align 4, !tbaa !5
  store i32 %64, ptr %5, align 4, !tbaa !5
  %65 = load i32, ptr %3, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %66
  %68 = getelementptr inbounds %"struct.std::pair", ptr %67, i32 0, i32 1
  %69 = load i32, ptr %68, align 4, !tbaa !11
  %70 = load i32, ptr %5, align 4, !tbaa !5
  %71 = icmp slt i32 %69, %70
  br i1 %71, label %72, label %86

72:                                               ; preds = %62
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %74
  %76 = getelementptr inbounds %"struct.std::pair", ptr %75, i32 0, i32 1
  %77 = load i32, ptr %76, align 4, !tbaa !11
  %78 = load i32, ptr %5, align 4, !tbaa !5
  %79 = sub nsw i32 %77, %78
  %80 = load i32, ptr %4, align 4, !tbaa !5
  %81 = add nsw i32 %80, %79
  store i32 %81, ptr %4, align 4, !tbaa !5
  call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) @q)
  %82 = load i32, ptr %3, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %83
  %85 = getelementptr inbounds %"struct.std::pair", ptr %84, i32 0, i32 1
  call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25) @q, ptr noundef nonnull align 4 dereferenceable(4) %85)
  br label %86

86:                                               ; preds = %72, %62
  br label %87

87:                                               ; preds = %86, %48
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %3, align 4, !tbaa !5
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %3, align 4, !tbaa !5
  br label %29, !llvm.loop !14

91:                                               ; preds = %33
  %92 = load i32, ptr @ans, align 4, !tbaa !5
  %93 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %92)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #4 align 2

declare i32 @printf(ptr noundef, ...) #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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 4}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 0}
!14 = distinct !{!14, !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"

%"struct.std::pair" = type { i32, i32 }
%"class.std::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@n = external dso_local global i32, align 4
@ans = external dso_local local_unnamed_addr global i32, align 4
@t = external dso_local global [150010 x %"struct.std::pair"], align 16
@q = external dso_local global %"class.std::priority_queue", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  %2 = load i32, ptr @n, align 4, !tbaa !5
  %3 = icmp sgt i32 %2, 0
  br i1 %3, label %.lr.ph, label %.._crit_edge_crit_edge

.._crit_edge_crit_edge:                           ; preds = %0
  %.pre = sext i32 %2 to i64
  br label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.._crit_edge_crit_edge ], [ %11, %.lr.ph ]
  %4 = getelementptr inbounds %"struct.std::pair", ptr @t, i64 %.pre-phi
  tail call void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef nonnull @t, ptr noundef nonnull %4)
  %5 = load i32, ptr @n, align 4, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph28, label %._crit_edge29

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %7 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %indvars.iv
  %8 = getelementptr inbounds i8, ptr %7, i64 4
  %9 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %8, ptr noundef nonnull %7)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge29:                                    ; preds = %31, %._crit_edge
  %13 = load i32, ptr @ans, align 4, !tbaa !5
  %14 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %13)
  ret i32 0

.lr.ph28:                                         ; preds = %._crit_edge, %31
  %indvars.iv32 = phi i64 [ %indvars.iv.next33, %31 ], [ 0, %._crit_edge ]
  %.01826 = phi i32 [ %.1, %31 ], [ 0, %._crit_edge ]
  %15 = getelementptr inbounds [150010 x %"struct.std::pair"], ptr @t, i64 0, i64 %indvars.iv32
  %16 = getelementptr inbounds i8, ptr %15, i64 4
  %17 = load i32, ptr %16, align 4, !tbaa !11
  %18 = add nsw i32 %17, %.01826
  %19 = load i32, ptr %15, align 8, !tbaa !13
  %.not = icmp sgt i32 %18, %19
  br i1 %.not, label %23, label %20

20:                                               ; preds = %.lr.ph28
  tail call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25) @q, ptr noundef nonnull align 4 dereferenceable(4) %16)
  %21 = load i32, ptr @ans, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr @ans, align 4, !tbaa !5
  br label %31

23:                                               ; preds = %.lr.ph28
  %24 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3topEv(ptr noundef nonnull align 8 dereferenceable(25) @q)
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = load i32, ptr %16, align 4, !tbaa !11
  %27 = icmp slt i32 %26, %25
  br i1 %27, label %28, label %31

28:                                               ; preds = %23
  %29 = sub i32 %.01826, %25
  %30 = add i32 %29, %26
  tail call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3popEv(ptr noundef nonnull align 8 dereferenceable(25) @q)
  tail call void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25) @q, ptr noundef nonnull align 4 dereferenceable(4) %16)
  br label %31

31:                                               ; preds = %20, %28, %23
  %.1 = phi i32 [ %18, %20 ], [ %30, %28 ], [ %.01826, %23 ]
  %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1
  %32 = load i32, ptr @n, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = icmp slt i64 %indvars.iv.next33, %33
  br i1 %34, label %.lr.ph28, label %._crit_edge29, !llvm.loop !14
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIPSt4pairIiiEEvT_S3_(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueIiSt6vectorIiSaIiEESt4lessIiEE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #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 = { nofree nounwind "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 = { 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 #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 = { 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" }

!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, !6, i64 4}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{!12, !6, i64 0}
!14 = distinct !{!14, !10}


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