; LLVM IR from tangjz/acm-icpc :: lydsy (2292)

; 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.Edge = type { i32, i32 }

@t = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@pre = external dso_local global [1100001 x i32], align 16
@que = external dso_local global [1100001 x i32], align 16
@L = external dso_local global i32, align 4
@R = external dso_local global i32, align 4
@dis = external dso_local global [1100001 x i32], align 16
@e = external dso_local global [2000002 x %struct.Edge], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z7AddEdgeii(i32 noundef, i32 noundef) #0

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n, ptr noundef @m)
  %8 = load i32, ptr @n, align 4, !tbaa !5
  store i32 %8, ptr @t, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %26, %0
  %10 = load i32, ptr @m, align 4, !tbaa !5
  %11 = add nsw i32 %10, -1
  store i32 %11, ptr @m, align 4, !tbaa !5
  %12 = icmp ne i32 %10, 0
  br i1 %12, label %13, label %27

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = icmp eq i32 %15, 1
  br i1 %16, label %17, label %20

17:                                               ; preds = %13
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %18, i32 noundef %19)
  br label %26

20:                                               ; preds = %13
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = load i32, ptr @n, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr @n, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %21, i32 noundef %23)
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %24, i32 noundef %25)
  br label %26

26:                                               ; preds = %20, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %9, !llvm.loop !9

27:                                               ; preds = %9
  %28 = load i32, ptr @R, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr @R, align 4, !tbaa !5
  %30 = sext i32 %28 to i64
  %31 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %30
  store i32 1, ptr %31, align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds ([1100001 x i32], ptr @dis, i64 0, i64 1), align 4, !tbaa !5
  br label %32

32:                                               ; preds = %90, %27
  %33 = load i32, ptr @L, align 4, !tbaa !5
  %34 = load i32, ptr @R, align 4, !tbaa !5
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %36, label %91

36:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %37 = load i32, ptr @L, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr @L, align 4, !tbaa !5
  %39 = sext i32 %37 to i64
  %40 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %39
  store ptr %40, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  %41 = load ptr, ptr %5, align 8, !tbaa !11
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [1100001 x i32], ptr @pre, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  store i32 %45, ptr %6, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %84, %36
  %47 = load i32, ptr %6, align 4, !tbaa !5
  %48 = icmp ne i32 %47, 0
  br i1 %48, label %50, label %49

49:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %90

50:                                               ; preds = %46
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [2000002 x %struct.Edge], ptr @e, i64 0, i64 %52
  %54 = getelementptr inbounds %struct.Edge, ptr %53, i32 0, i32 1
  %55 = load i32, ptr %54, align 4, !tbaa !13
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %56
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = icmp ne i32 %58, 0
  br i1 %59, label %83, label %60

60:                                               ; preds = %50
  %61 = load ptr, ptr %5, align 8, !tbaa !11
  %62 = load i32, ptr %61, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  %67 = load i32, ptr %6, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [2000002 x %struct.Edge], ptr @e, i64 0, i64 %68
  %70 = getelementptr inbounds %struct.Edge, ptr %69, i32 0, i32 1
  %71 = load i32, ptr %70, align 4, !tbaa !13
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %72
  store i32 %66, ptr %73, align 4, !tbaa !5
  %74 = load i32, ptr %6, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = getelementptr inbounds [2000002 x %struct.Edge], ptr @e, i64 0, i64 %75
  %77 = getelementptr inbounds %struct.Edge, ptr %76, i32 0, i32 1
  %78 = load i32, ptr %77, align 4, !tbaa !13
  %79 = load i32, ptr @R, align 4, !tbaa !5
  %80 = add nsw i32 %79, 1
  store i32 %80, ptr @R, align 4, !tbaa !5
  %81 = sext i32 %79 to i64
  %82 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %81
  store i32 %78, ptr %82, align 4, !tbaa !5
  br label %83

83:                                               ; preds = %60, %50
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %6, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = getelementptr inbounds [2000002 x %struct.Edge], ptr @e, i64 0, i64 %86
  %88 = getelementptr inbounds %struct.Edge, ptr %87, i32 0, i32 0
  %89 = load i32, ptr %88, align 8, !tbaa !15
  store i32 %89, ptr %6, align 4, !tbaa !5
  br label %46, !llvm.loop !16

90:                                               ; preds = %49
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %32, !llvm.loop !17

91:                                               ; preds = %32
  %92 = load i32, ptr @t, align 4, !tbaa !5
  %93 = sext i32 %92 to i64
  %94 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %93
  %95 = load i32, ptr %94, align 4, !tbaa !5
  %96 = load i32, ptr getelementptr inbounds ([1100001 x i32], ptr @dis, i64 0, i64 1), align 4, !tbaa !5
  %97 = sub nsw i32 %95, %96
  %98 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %97)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 = { 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 = !{!"any pointer", !7, i64 0}
!13 = !{!14, !6, i64 4}
!14 = !{!"_ZTS4Edge", !6, i64 0, !6, i64 4}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !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.Edge = type { i32, i32 }

@t = external dso_local local_unnamed_addr global i32, align 4
@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@pre = external dso_local local_unnamed_addr global [1100001 x i32], align 16
@que = external dso_local local_unnamed_addr global [1100001 x i32], align 16
@L = external dso_local local_unnamed_addr global i32, align 4
@R = external dso_local local_unnamed_addr global i32, align 4
@dis = external dso_local local_unnamed_addr global [1100001 x i32], align 16
@e = external dso_local local_unnamed_addr global [2000002 x %struct.Edge], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z7AddEdgeii(i32 noundef, i32 noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n, ptr noundef nonnull @m)
  %5 = load i32, ptr @n, align 4, !tbaa !5
  store i32 %5, ptr @t, align 4, !tbaa !5
  %6 = load i32, ptr @m, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr @m, align 4, !tbaa !5
  %.not9 = icmp eq i32 %6, 0
  br i1 %.not9, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %19
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = icmp eq i32 %9, 1
  %11 = load i32, ptr %1, align 4, !tbaa !5
  br i1 %10, label %12, label %14

12:                                               ; preds = %.lr.ph
  %13 = load i32, ptr %2, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %11, i32 noundef %13)
  br label %19

14:                                               ; preds = %.lr.ph
  %15 = load i32, ptr @n, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr @n, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %11, i32 noundef %16)
  %17 = load i32, ptr @n, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  call void @_Z7AddEdgeii(i32 noundef %17, i32 noundef %18)
  br label %19

19:                                               ; preds = %14, %12
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  %20 = load i32, ptr @m, align 4, !tbaa !5
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr @m, align 4, !tbaa !5
  %.not = icmp eq i32 %20, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %19, %0
  %22 = load i32, ptr @R, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr @R, align 4, !tbaa !5
  %24 = sext i32 %22 to i64
  %25 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %24
  store i32 1, ptr %25, align 4, !tbaa !5
  store i32 1, ptr getelementptr inbounds (i8, ptr @dis, i64 4), align 4, !tbaa !5
  %L.promoted = load i32, ptr @L, align 4, !tbaa !5
  %.not24 = icmp sgt i32 %L.promoted, %22
  br i1 %.not24, label %53, label %.lr.ph22.preheader

.lr.ph22.preheader:                               ; preds = %._crit_edge
  %26 = sext i32 %L.promoted to i64
  br label %.lr.ph22

.loopexit:                                        ; preds = %50, %.lr.ph22
  %R.promoted18 = phi i32 [ %R.promoted1920, %.lr.ph22 ], [ %R.promoted16, %50 ]
  %27 = sext i32 %R.promoted18 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph22, label %._crit_edge23, !llvm.loop !11

.lr.ph22:                                         ; preds = %.lr.ph22.preheader, %.loopexit
  %indvars.iv = phi i64 [ %26, %.lr.ph22.preheader ], [ %indvars.iv.next, %.loopexit ]
  %R.promoted1920 = phi i32 [ %23, %.lr.ph22.preheader ], [ %R.promoted18, %.loopexit ]
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %29 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %indvars.iv
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds [1100001 x i32], ptr @pre, i64 0, i64 %31
  %.010 = load i32, ptr %32, align 4, !tbaa !5
  %.not711 = icmp eq i32 %.010, 0
  br i1 %.not711, label %.loopexit, label %.lr.ph14

.lr.ph14:                                         ; preds = %.lr.ph22, %50
  %R.promoted17 = phi i32 [ %R.promoted16, %50 ], [ %R.promoted1920, %.lr.ph22 ]
  %.012 = phi i32 [ %.0, %50 ], [ %.010, %.lr.ph22 ]
  %33 = phi i32 [ %51, %50 ], [ %R.promoted1920, %.lr.ph22 ]
  %34 = sext i32 %.012 to i64
  %35 = getelementptr inbounds [2000002 x %struct.Edge], ptr @e, i64 0, i64 %34
  %36 = getelementptr inbounds i8, ptr %35, i64 4
  %37 = load i32, ptr %36, align 4, !tbaa !12
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %38
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %.not8 = icmp eq i32 %40, 0
  br i1 %.not8, label %41, label %50

41:                                               ; preds = %.lr.ph14
  %42 = load i32, ptr %29, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %43
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %39, align 4, !tbaa !5
  %47 = add nsw i32 %33, 1
  store i32 %47, ptr @R, align 4, !tbaa !5
  %48 = sext i32 %33 to i64
  %49 = getelementptr inbounds [1100001 x i32], ptr @que, i64 0, i64 %48
  store i32 %37, ptr %49, align 4, !tbaa !5
  br label %50

50:                                               ; preds = %.lr.ph14, %41
  %R.promoted16 = phi i32 [ %R.promoted17, %.lr.ph14 ], [ %47, %41 ]
  %51 = phi i32 [ %33, %.lr.ph14 ], [ %47, %41 ]
  %.0 = load i32, ptr %35, align 8, !tbaa !5
  %.not7 = icmp eq i32 %.0, 0
  br i1 %.not7, label %.loopexit, label %.lr.ph14, !llvm.loop !14

._crit_edge23:                                    ; preds = %.loopexit
  %52 = trunc nsw i64 %indvars.iv.next to i32
  store i32 %52, ptr @L, align 4, !tbaa !5
  %.pre = load i32, ptr getelementptr inbounds (i8, ptr @dis, i64 4), align 4, !tbaa !5
  br label %53

53:                                               ; preds = %._crit_edge23, %._crit_edge
  %54 = phi i32 [ %.pre, %._crit_edge23 ], [ 1, %._crit_edge ]
  %55 = load i32, ptr @t, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [1100001 x i32], ptr @dis, i64 0, i64 %56
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = sub nsw i32 %58, %54
  %60 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %59)
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress norecurse 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 #3 = { 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 #4 = { 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 = distinct !{!11, !10}
!12 = !{!13, !6, i64 4}
!13 = !{!"_ZTS4Edge", !6, i64 0, !6, i64 4}
!14 = distinct !{!14, !10}


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