; LLVM IR from zhemao/libds :: hashmap (hashmap_resize)

; 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.hashmap = type { ptr, ptr, ptr, i64, i64 }
%struct.item = type { ptr, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local i64 @hash_func(ptr noundef) #1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @hashmap_resize(ptr noundef %0, i64 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.hashmap, ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = load i64, ptr %4, align 8, !tbaa !9
  %14 = mul i64 8, %13
  %15 = call ptr @realloc(ptr noundef %12, i64 noundef %14) #6
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.hashmap, ptr %16, i32 0, i32 0
  store ptr %15, ptr %17, align 8, !tbaa !11
  store i32 0, ptr %5, align 4, !tbaa !13
  br label %18

18:                                               ; preds = %125, %2
  %19 = load i32, ptr %5, align 4, !tbaa !13
  %20 = sext i32 %19 to i64
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.hashmap, ptr %21, i32 0, i32 3
  %23 = load i64, ptr %22, align 8, !tbaa !15
  %24 = icmp ult i64 %20, %23
  br i1 %24, label %25, label %128

25:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.hashmap, ptr %26, i32 0, i32 1
  %28 = load ptr, ptr %27, align 8, !tbaa !16
  %29 = load i32, ptr %5, align 4, !tbaa !13
  %30 = sext i32 %29 to i64
  %31 = call ptr @vector_get(ptr noundef %28, i64 noundef %30)
  store ptr %31, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = call i64 @hash_func(ptr noundef %32)
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.hashmap, ptr %34, i32 0, i32 4
  %36 = load i64, ptr %35, align 8, !tbaa !17
  %37 = urem i64 %33, %36
  %38 = trunc i64 %37 to i32
  store i32 %38, ptr %7, align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  store ptr null, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.hashmap, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !11
  %42 = load i32, ptr %7, align 4, !tbaa !13
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds ptr, ptr %41, i64 %43
  %45 = load ptr, ptr %44, align 8, !tbaa !5
  store ptr %45, ptr %9, align 8, !tbaa !5
  br label %46

46:                                               ; preds = %57, %25
  %47 = load ptr, ptr %9, align 8, !tbaa !5
  %48 = icmp ne ptr %47, null
  br i1 %48, label %49, label %62

49:                                               ; preds = %46
  %50 = load ptr, ptr %9, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.item, ptr %50, i32 0, i32 0
  %52 = load ptr, ptr %51, align 8, !tbaa !18
  %53 = load ptr, ptr %6, align 8, !tbaa !5
  %54 = call i32 @strcmp(ptr noundef %52, ptr noundef %53) #7
  %55 = icmp eq i32 %54, 0
  br i1 %55, label %56, label %57

56:                                               ; preds = %49
  br label %62

57:                                               ; preds = %49
  %58 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %58, ptr %8, align 8, !tbaa !5
  %59 = load ptr, ptr %9, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct.item, ptr %59, i32 0, i32 2
  %61 = load ptr, ptr %60, align 8, !tbaa !20
  store ptr %61, ptr %9, align 8, !tbaa !5
  br label %46, !llvm.loop !21

62:                                               ; preds = %56, %46
  %63 = load ptr, ptr %9, align 8, !tbaa !5
  %64 = icmp ne ptr %63, null
  br i1 %64, label %65, label %87

65:                                               ; preds = %62
  %66 = load ptr, ptr %8, align 8, !tbaa !5
  %67 = icmp eq ptr %66, null
  br i1 %67, label %68, label %78

68:                                               ; preds = %65
  %69 = load ptr, ptr %9, align 8, !tbaa !5
  %70 = getelementptr inbounds %struct.item, ptr %69, i32 0, i32 2
  %71 = load ptr, ptr %70, align 8, !tbaa !20
  %72 = load ptr, ptr %3, align 8, !tbaa !5
  %73 = getelementptr inbounds %struct.hashmap, ptr %72, i32 0, i32 0
  %74 = load ptr, ptr %73, align 8, !tbaa !11
  %75 = load i32, ptr %7, align 4, !tbaa !13
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds ptr, ptr %74, i64 %76
  store ptr %71, ptr %77, align 8, !tbaa !5
  br label %84

78:                                               ; preds = %65
  %79 = load ptr, ptr %9, align 8, !tbaa !5
  %80 = getelementptr inbounds %struct.item, ptr %79, i32 0, i32 2
  %81 = load ptr, ptr %80, align 8, !tbaa !20
  %82 = load ptr, ptr %8, align 8, !tbaa !5
  %83 = getelementptr inbounds %struct.item, ptr %82, i32 0, i32 2
  store ptr %81, ptr %83, align 8, !tbaa !20
  br label %84

84:                                               ; preds = %78, %68
  %85 = load ptr, ptr %9, align 8, !tbaa !5
  %86 = getelementptr inbounds %struct.item, ptr %85, i32 0, i32 2
  store ptr null, ptr %86, align 8, !tbaa !20
  br label %87

87:                                               ; preds = %84, %62
  %88 = load ptr, ptr %6, align 8, !tbaa !5
  %89 = call i64 @hash_func(ptr noundef %88)
  %90 = load i64, ptr %4, align 8, !tbaa !9
  %91 = urem i64 %89, %90
  %92 = trunc i64 %91 to i32
  store i32 %92, ptr %7, align 4, !tbaa !13
  %93 = load ptr, ptr %3, align 8, !tbaa !5
  %94 = getelementptr inbounds %struct.hashmap, ptr %93, i32 0, i32 0
  %95 = load ptr, ptr %94, align 8, !tbaa !11
  %96 = load i32, ptr %7, align 4, !tbaa !13
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds ptr, ptr %95, i64 %97
  %99 = load ptr, ptr %98, align 8, !tbaa !5
  store ptr %99, ptr %8, align 8, !tbaa !5
  %100 = load ptr, ptr %8, align 8, !tbaa !5
  %101 = icmp eq ptr %100, null
  br i1 %101, label %102, label %110

102:                                              ; preds = %87
  %103 = load ptr, ptr %9, align 8, !tbaa !5
  %104 = load ptr, ptr %3, align 8, !tbaa !5
  %105 = getelementptr inbounds %struct.hashmap, ptr %104, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8, !tbaa !11
  %107 = load i32, ptr %7, align 4, !tbaa !13
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds ptr, ptr %106, i64 %108
  store ptr %103, ptr %109, align 8, !tbaa !5
  br label %124

110:                                              ; preds = %87
  br label %111

111:                                              ; preds = %116, %110
  %112 = load ptr, ptr %8, align 8, !tbaa !5
  %113 = getelementptr inbounds %struct.item, ptr %112, i32 0, i32 2
  %114 = load ptr, ptr %113, align 8, !tbaa !20
  %115 = icmp ne ptr %114, null
  br i1 %115, label %116, label %120

116:                                              ; preds = %111
  %117 = load ptr, ptr %8, align 8, !tbaa !5
  %118 = getelementptr inbounds %struct.item, ptr %117, i32 0, i32 2
  %119 = load ptr, ptr %118, align 8, !tbaa !20
  store ptr %119, ptr %8, align 8, !tbaa !5
  br label %111, !llvm.loop !23

120:                                              ; preds = %111
  %121 = load ptr, ptr %9, align 8, !tbaa !5
  %122 = load ptr, ptr %8, align 8, !tbaa !5
  %123 = getelementptr inbounds %struct.item, ptr %122, i32 0, i32 2
  store ptr %121, ptr %123, align 8, !tbaa !20
  br label %124

124:                                              ; preds = %120, %102
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %125

125:                                              ; preds = %124
  %126 = load i32, ptr %5, align 4, !tbaa !13
  %127 = add nsw i32 %126, 1
  store i32 %127, ptr %5, align 4, !tbaa !13
  br label %18, !llvm.loop !24

128:                                              ; preds = %18
  %129 = load i64, ptr %4, align 8, !tbaa !9
  %130 = load ptr, ptr %3, align 8, !tbaa !5
  %131 = getelementptr inbounds %struct.hashmap, ptr %130, i32 0, i32 4
  store i64 %129, ptr %131, align 8, !tbaa !17
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret void
}

; Function Attrs: nounwind allocsize(1)
declare ptr @realloc(ptr noundef, i64 noundef) #3

declare ptr @vector_get(ptr noundef, i64 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nounwind willreturn memory(read) "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 = { nounwind allocsize(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 #4 = { "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 }
attributes #6 = { nounwind allocsize(1) }
attributes #7 = { nounwind willreturn memory(read) }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"hashmap", !6, i64 0, !6, i64 8, !6, i64 16, !10, i64 24, !10, i64 32}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!12, !10, i64 24}
!16 = !{!12, !6, i64 8}
!17 = !{!12, !10, i64 32}
!18 = !{!19, !6, i64 0}
!19 = !{!"item", !6, i64 0, !6, i64 8, !6, i64 16}
!20 = !{!19, !6, i64 16}
!21 = distinct !{!21, !22}
!22 = !{!"llvm.loop.mustprogress"}
!23 = distinct !{!23, !22}
!24 = distinct !{!24, !22}


; 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"

; Function Attrs: nounwind uwtable
declare dso_local i64 @hash_func(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @hashmap_resize(ptr nocapture noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = shl i64 %1, 3
  %5 = tail call ptr @realloc(ptr noundef %3, i64 noundef %4) #4
  store ptr %5, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  %7 = load i64, ptr %6, align 8, !tbaa !11
  %.not54 = icmp eq i64 %7, 0
  br i1 %.not54, label %._crit_edge, label %.lr.ph53

.lr.ph53:                                         ; preds = %2
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = getelementptr inbounds i8, ptr %0, i64 32
  br label %10

10:                                               ; preds = %.lr.ph53, %42
  %indvars.iv = phi i64 [ 0, %.lr.ph53 ], [ %indvars.iv.next, %42 ]
  %11 = load ptr, ptr %8, align 8, !tbaa !12
  %12 = tail call ptr @vector_get(ptr noundef %11, i64 noundef %indvars.iv) #5
  %13 = tail call i64 @hash_func(ptr noundef %12)
  %14 = load i64, ptr %9, align 8, !tbaa !13
  %15 = urem i64 %13, %14
  %16 = load ptr, ptr %0, align 8, !tbaa !5
  %sext = shl i64 %15, 32
  %17 = ashr exact i64 %sext, 29
  %18 = getelementptr inbounds i8, ptr %16, i64 %17
  %.048 = load ptr, ptr %18, align 8, !tbaa !14
  %.not49 = icmp eq ptr %.048, null
  br i1 %.not49, label %.critedge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %10
  %19 = load ptr, ptr %.048, align 8, !tbaa !15
  %20 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %19, ptr noundef nonnull dereferenceable(1) %12) #6
  %21 = icmp eq i32 %20, 0
  br i1 %21, label %.lr.ph._crit_edge, label %.lr.ph64

.lr.ph:                                           ; preds = %.lr.ph64
  %22 = load ptr, ptr %.0, align 8, !tbaa !15
  %23 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %22, ptr noundef nonnull dereferenceable(1) %12) #6
  %24 = icmp eq i32 %23, 0
  br i1 %24, label %.lr.ph._crit_edge, label %.lr.ph64, !llvm.loop !17

.lr.ph64:                                         ; preds = %.lr.ph.preheader, %.lr.ph
  %.05163 = phi ptr [ %.0, %.lr.ph ], [ %.048, %.lr.ph.preheader ]
  %25 = getelementptr inbounds i8, ptr %.05163, i64 16
  %.0 = load ptr, ptr %25, align 8, !tbaa !14
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %.critedge, label %.lr.ph, !llvm.loop !17

.lr.ph._crit_edge:                                ; preds = %.lr.ph, %.lr.ph.preheader
  %.051.lcssa = phi ptr [ %.048, %.lr.ph.preheader ], [ %.0, %.lr.ph ]
  %.03850.lcssa = phi ptr [ null, %.lr.ph.preheader ], [ %.05163, %.lr.ph ]
  %26 = icmp eq ptr %.03850.lcssa, null
  %27 = getelementptr inbounds i8, ptr %.051.lcssa, i64 16
  %28 = load ptr, ptr %27, align 8, !tbaa !19
  %29 = getelementptr inbounds i8, ptr %.03850.lcssa, i64 16
  %.sink = select i1 %26, ptr %18, ptr %29
  store ptr %28, ptr %.sink, align 8, !tbaa !14
  %30 = getelementptr inbounds i8, ptr %.051.lcssa, i64 16
  store ptr null, ptr %30, align 8, !tbaa !19
  br label %.critedge

.critedge:                                        ; preds = %.lr.ph64, %10, %.lr.ph._crit_edge
  %.046 = phi ptr [ %.051.lcssa, %.lr.ph._crit_edge ], [ null, %10 ], [ null, %.lr.ph64 ]
  %31 = tail call i64 @hash_func(ptr noundef %12)
  %32 = urem i64 %31, %1
  %33 = load ptr, ptr %0, align 8, !tbaa !5
  %sext43 = shl i64 %32, 32
  %34 = ashr exact i64 %sext43, 29
  %35 = getelementptr inbounds i8, ptr %33, i64 %34
  %36 = load ptr, ptr %35, align 8, !tbaa !14
  %37 = icmp eq ptr %36, null
  br i1 %37, label %42, label %.preheader

.preheader:                                       ; preds = %.critedge, %.preheader
  %.1 = phi ptr [ %39, %.preheader ], [ %36, %.critedge ]
  %38 = getelementptr inbounds i8, ptr %.1, i64 16
  %39 = load ptr, ptr %38, align 8, !tbaa !19
  %.not44 = icmp eq ptr %39, null
  br i1 %.not44, label %40, label %.preheader, !llvm.loop !20

40:                                               ; preds = %.preheader
  %41 = getelementptr inbounds i8, ptr %.1, i64 16
  br label %42

42:                                               ; preds = %.critedge, %40
  %.sink60 = phi ptr [ %41, %40 ], [ %35, %.critedge ]
  store ptr %.046, ptr %.sink60, align 8, !tbaa !14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %43 = load i64, ptr %6, align 8, !tbaa !11
  %44 = icmp ugt i64 %43, %indvars.iv.next
  br i1 %44, label %10, label %._crit_edge, !llvm.loop !21

._crit_edge:                                      ; preds = %42, %2
  %45 = getelementptr inbounds i8, ptr %0, i64 32
  store i64 %1, ptr %45, align 8, !tbaa !13
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias noundef ptr @realloc(ptr allocptr nocapture noundef, i64 noundef) local_unnamed_addr #2

declare ptr @vector_get(ptr noundef, i64 noundef) local_unnamed_addr #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 memory(argmem: read) "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 = { mustprogress nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, 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 #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 allocsize(1) }
attributes #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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, !7, i64 0}
!6 = !{!"hashmap", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !10, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 24}
!12 = !{!6, !7, i64 8}
!13 = !{!6, !10, i64 32}
!14 = !{!7, !7, i64 0}
!15 = !{!16, !7, i64 0}
!16 = !{!"item", !7, i64 0, !7, i64 8, !7, i64 16}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = !{!16, !7, i64 16}
!20 = distinct !{!20, !18}
!21 = distinct !{!21, !18}


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