; LLVM IR from begeekmyfriend/leetcode :: 0128_longest_consecutive_sequence (consec_seq)

; 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.list_head = type { ptr, ptr }
%struct.seq_node = type { i32, %struct.list_head }

; Function Attrs: nounwind uwtable
define dso_local i32 @longestConsecutive(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = mul i64 %13, 16
  %15 = call noalias ptr @malloc(i64 noundef %14) #5
  store ptr %15, ptr %9, align 8, !tbaa !5
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %25, %2
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = load i32, ptr %4, align 4, !tbaa !9
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %20, label %28

20:                                               ; preds = %16
  %21 = load ptr, ptr %9, align 8, !tbaa !5
  %22 = load i32, ptr %5, align 4, !tbaa !9
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds %struct.list_head, ptr %21, i64 %23
  call void @INIT_LIST_HEAD(ptr noundef %24)
  br label %25

25:                                               ; preds = %20
  %26 = load i32, ptr %5, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %5, align 4, !tbaa !9
  br label %16, !llvm.loop !11

28:                                               ; preds = %16
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %84, %28
  %30 = load i32, ptr %5, align 4, !tbaa !9
  %31 = load i32, ptr %4, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %33, label %87

33:                                               ; preds = %29
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = load i32, ptr %5, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds i32, ptr %34, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !9
  %39 = load i32, ptr %4, align 4, !tbaa !9
  %40 = load ptr, ptr %9, align 8, !tbaa !5
  %41 = call ptr @find(i32 noundef %38, i32 noundef %39, ptr noundef %40)
  %42 = icmp ne ptr %41, null
  br i1 %42, label %83, label %43

43:                                               ; preds = %33
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = load i32, ptr %5, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds i32, ptr %44, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !9
  %49 = icmp slt i32 %48, 0
  br i1 %49, label %50, label %59

50:                                               ; preds = %43
  %51 = load ptr, ptr %3, align 8, !tbaa !5
  %52 = load i32, ptr %5, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %54 = getelementptr inbounds i32, ptr %51, i64 %53
  %55 = load i32, ptr %54, align 4, !tbaa !9
  %56 = sub nsw i32 0, %55
  %57 = load i32, ptr %4, align 4, !tbaa !9
  %58 = srem i32 %56, %57
  br label %67

59:                                               ; preds = %43
  %60 = load ptr, ptr %3, align 8, !tbaa !5
  %61 = load i32, ptr %5, align 4, !tbaa !9
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds i32, ptr %60, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !9
  %65 = load i32, ptr %4, align 4, !tbaa !9
  %66 = srem i32 %64, %65
  br label %67

67:                                               ; preds = %59, %50
  %68 = phi i32 [ %58, %50 ], [ %66, %59 ]
  store i32 %68, ptr %6, align 4, !tbaa !9
  %69 = call noalias ptr @malloc(i64 noundef 24) #5
  store ptr %69, ptr %8, align 8, !tbaa !5
  %70 = load ptr, ptr %3, align 8, !tbaa !5
  %71 = load i32, ptr %5, align 4, !tbaa !9
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds i32, ptr %70, i64 %72
  %74 = load i32, ptr %73, align 4, !tbaa !9
  %75 = load ptr, ptr %8, align 8, !tbaa !5
  %76 = getelementptr inbounds %struct.seq_node, ptr %75, i32 0, i32 0
  store i32 %74, ptr %76, align 8, !tbaa !13
  %77 = load ptr, ptr %8, align 8, !tbaa !5
  %78 = getelementptr inbounds %struct.seq_node, ptr %77, i32 0, i32 1
  %79 = load ptr, ptr %9, align 8, !tbaa !5
  %80 = load i32, ptr %6, align 4, !tbaa !9
  %81 = sext i32 %80 to i64
  %82 = getelementptr inbounds %struct.list_head, ptr %79, i64 %81
  call void @list_add(ptr noundef %78, ptr noundef %82)
  br label %83

83:                                               ; preds = %67, %33
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %5, align 4, !tbaa !9
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %5, align 4, !tbaa !9
  br label %29, !llvm.loop !16

87:                                               ; preds = %29
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %88

88:                                               ; preds = %133, %87
  %89 = load i32, ptr %5, align 4, !tbaa !9
  %90 = load i32, ptr %4, align 4, !tbaa !9
  %91 = icmp slt i32 %89, %90
  br i1 %91, label %92, label %136

92:                                               ; preds = %88
  %93 = load ptr, ptr %3, align 8, !tbaa !5
  %94 = load i32, ptr %5, align 4, !tbaa !9
  %95 = sext i32 %94 to i64
  %96 = getelementptr inbounds i32, ptr %93, i64 %95
  %97 = load i32, ptr %96, align 4, !tbaa !9
  %98 = sub nsw i32 %97, 1
  %99 = load i32, ptr %4, align 4, !tbaa !9
  %100 = load ptr, ptr %9, align 8, !tbaa !5
  %101 = call ptr @find(i32 noundef %98, i32 noundef %99, ptr noundef %100)
  store ptr %101, ptr %8, align 8, !tbaa !5
  %102 = load ptr, ptr %8, align 8, !tbaa !5
  %103 = icmp eq ptr %102, null
  br i1 %103, label %104, label %132

104:                                              ; preds = %92
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %105 = load ptr, ptr %3, align 8, !tbaa !5
  %106 = load i32, ptr %5, align 4, !tbaa !9
  %107 = sext i32 %106 to i64
  %108 = getelementptr inbounds i32, ptr %105, i64 %107
  %109 = load i32, ptr %108, align 4, !tbaa !9
  store i32 %109, ptr %11, align 4, !tbaa !9
  br label %110

110:                                              ; preds = %117, %104
  %111 = load i32, ptr %11, align 4, !tbaa !9
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %11, align 4, !tbaa !9
  %113 = load i32, ptr %4, align 4, !tbaa !9
  %114 = load ptr, ptr %9, align 8, !tbaa !5
  %115 = call ptr @find(i32 noundef %111, i32 noundef %113, ptr noundef %114)
  store ptr %115, ptr %8, align 8, !tbaa !5
  %116 = icmp ne ptr %115, null
  br i1 %116, label %117, label %122

117:                                              ; preds = %110
  %118 = load i32, ptr %10, align 4, !tbaa !9
  %119 = add nsw i32 %118, 1
  store i32 %119, ptr %10, align 4, !tbaa !9
  %120 = load ptr, ptr %8, align 8, !tbaa !5
  %121 = getelementptr inbounds %struct.seq_node, ptr %120, i32 0, i32 1
  call void @list_del(ptr noundef %121)
  br label %110, !llvm.loop !17

122:                                              ; preds = %110
  %123 = load i32, ptr %10, align 4, !tbaa !9
  %124 = load i32, ptr %7, align 4, !tbaa !9
  %125 = icmp sgt i32 %123, %124
  br i1 %125, label %126, label %128

126:                                              ; preds = %122
  %127 = load i32, ptr %10, align 4, !tbaa !9
  br label %130

128:                                              ; preds = %122
  %129 = load i32, ptr %7, align 4, !tbaa !9
  br label %130

130:                                              ; preds = %128, %126
  %131 = phi i32 [ %127, %126 ], [ %129, %128 ]
  store i32 %131, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %132

132:                                              ; preds = %130, %92
  br label %133

133:                                              ; preds = %132
  %134 = load i32, ptr %5, align 4, !tbaa !9
  %135 = add nsw i32 %134, 1
  store i32 %135, ptr %5, align 4, !tbaa !9
  br label %88, !llvm.loop !18

136:                                              ; preds = %88
  %137 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret i32 %137
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @INIT_LIST_HEAD(ptr noundef) #3

; Function Attrs: nounwind uwtable
declare hidden ptr @find(i32 noundef, i32 noundef, ptr noundef) #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @list_add(ptr noundef, ptr noundef) #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @list_del(ptr noundef) #3

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

attributes #0 = { 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 = { nounwind allocsize(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 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 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"seq_node", !10, i64 0, !15, i64 8}
!15 = !{!"list_head", !6, i64 0, !6, i64 8}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !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"

%struct.list_head = type { ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @longestConsecutive(ptr nocapture noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = sext i32 %1 to i64
  %4 = shl nsw i64 %3, 4
  %5 = tail call noalias ptr @malloc(i64 noundef %4) #4
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph.preheader, label %._crit_edge66

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

.preheader55:                                     ; preds = %.lr.ph
  br i1 %6, label %.lr.ph58.preheader, label %._crit_edge66

.lr.ph58.preheader:                               ; preds = %.preheader55
  %wide.trip.count72 = zext nneg i32 %1 to i64
  br label %.lr.ph58

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %7 = getelementptr inbounds %struct.list_head, ptr %5, i64 %indvars.iv
  tail call void @INIT_LIST_HEAD(ptr noundef %7)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.preheader55, label %.lr.ph, !llvm.loop !5

.preheader:                                       ; preds = %25
  br i1 %6, label %.lr.ph65.preheader, label %._crit_edge66

.lr.ph65.preheader:                               ; preds = %.preheader
  %wide.trip.count77 = zext nneg i32 %1 to i64
  br label %.lr.ph65

.lr.ph58:                                         ; preds = %.lr.ph58.preheader, %25
  %indvars.iv69 = phi i64 [ 0, %.lr.ph58.preheader ], [ %indvars.iv.next70, %25 ]
  %8 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv69
  %9 = load i32, ptr %8, align 4, !tbaa !7
  %10 = tail call ptr @find(i32 noundef %9, i32 noundef %1, ptr noundef %5)
  %.not54 = icmp eq ptr %10, null
  br i1 %.not54, label %11, label %25

11:                                               ; preds = %.lr.ph58
  %12 = load i32, ptr %8, align 4, !tbaa !7
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %14, label %17

14:                                               ; preds = %11
  %15 = srem i32 %12, %1
  %16 = sub nsw i32 0, %15
  br label %19

17:                                               ; preds = %11
  %18 = urem i32 %12, %1
  br label %19

19:                                               ; preds = %17, %14
  %20 = phi i32 [ %16, %14 ], [ %18, %17 ]
  %21 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #4
  store i32 %12, ptr %21, align 8, !tbaa !11
  %22 = getelementptr inbounds i8, ptr %21, i64 8
  %23 = zext nneg i32 %20 to i64
  %24 = getelementptr inbounds %struct.list_head, ptr %5, i64 %23
  tail call void @list_add(ptr noundef nonnull %22, ptr noundef %24)
  br label %25

25:                                               ; preds = %.lr.ph58, %19
  %indvars.iv.next70 = add nuw nsw i64 %indvars.iv69, 1
  %exitcond73.not = icmp eq i64 %indvars.iv.next70, %wide.trip.count72
  br i1 %exitcond73.not, label %.preheader, label %.lr.ph58, !llvm.loop !15

.lr.ph65:                                         ; preds = %.lr.ph65.preheader, %40
  %indvars.iv74 = phi i64 [ 0, %.lr.ph65.preheader ], [ %indvars.iv.next75, %40 ]
  %.04863 = phi i32 [ 0, %.lr.ph65.preheader ], [ %.149, %40 ]
  %26 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv74
  %27 = load i32, ptr %26, align 4, !tbaa !7
  %28 = add nsw i32 %27, -1
  %29 = tail call ptr @find(i32 noundef %28, i32 noundef %1, ptr noundef %5)
  %30 = icmp eq ptr %29, null
  br i1 %30, label %31, label %40

31:                                               ; preds = %.lr.ph65
  %32 = load i32, ptr %26, align 4, !tbaa !7
  %33 = tail call ptr @find(i32 noundef %32, i32 noundef %1, ptr noundef %5)
  %.not59 = icmp eq ptr %33, null
  br i1 %.not59, label %._crit_edge, label %.lr.ph62

.lr.ph62:                                         ; preds = %31, %.lr.ph62
  %34 = phi ptr [ %38, %.lr.ph62 ], [ %33, %31 ]
  %.061 = phi i32 [ %35, %.lr.ph62 ], [ %32, %31 ]
  %.04660 = phi i32 [ %36, %.lr.ph62 ], [ 0, %31 ]
  %35 = add nsw i32 %.061, 1
  %36 = add nuw nsw i32 %.04660, 1
  %37 = getelementptr inbounds i8, ptr %34, i64 8
  tail call void @list_del(ptr noundef nonnull %37)
  %38 = tail call ptr @find(i32 noundef %35, i32 noundef %1, ptr noundef %5)
  %.not = icmp eq ptr %38, null
  br i1 %.not, label %._crit_edge, label %.lr.ph62, !llvm.loop !16

._crit_edge:                                      ; preds = %.lr.ph62, %31
  %.046.lcssa = phi i32 [ 0, %31 ], [ %36, %.lr.ph62 ]
  %39 = tail call i32 @llvm.smax.i32(i32 %.046.lcssa, i32 %.04863)
  br label %40

40:                                               ; preds = %.lr.ph65, %._crit_edge
  %.149 = phi i32 [ %39, %._crit_edge ], [ %.04863, %.lr.ph65 ]
  %indvars.iv.next75 = add nuw nsw i64 %indvars.iv74, 1
  %exitcond78.not = icmp eq i64 %indvars.iv.next75, %wide.trip.count77
  br i1 %exitcond78.not, label %._crit_edge66, label %.lr.ph65, !llvm.loop !17

._crit_edge66:                                    ; preds = %40, %2, %.preheader55, %.preheader
  %.048.lcssa = phi i32 [ 0, %.preheader ], [ 0, %.preheader55 ], [ 0, %2 ], [ %.149, %40 ]
  ret i32 %.048.lcssa
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @INIT_LIST_HEAD(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden ptr @find(i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @list_add(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @list_del(ptr noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { 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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { nounwind allocsize(0) }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!12, !8, i64 0}
!12 = !{!"seq_node", !8, i64 0, !13, i64 8}
!13 = !{!"list_head", !14, i64 0, !14, i64 8}
!14 = !{!"any pointer", !9, i64 0}
!15 = distinct !{!15, !6}
!16 = distinct !{!16, !6}
!17 = distinct !{!17, !6}


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