; LLVM IR from mncoppola/rpef :: utilities_src/squashfs2.1/lzma/C/Common (CommandLineParser)

; 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.CStringBase = type { ptr, i32, i32 }
%"struct.NCommandLineParser::CCommandForm" = type { ptr, i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11CStringBaseIwE5EmptyEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK11CStringBaseIwE6LengthEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 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 dso_local void @_ZNK11CStringBaseIwE3MidEi(ptr dead_on_unwind noalias writable sret(%class.CStringBase) align 8, ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN11CStringBaseIwEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11CStringBaseIwEC2EPKw(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN18NCommandLineParser12ParseCommandEiPKNS_12CCommandFormERK11CStringBaseIwERS4_(i32 noundef %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(16) %3) #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %class.CStringBase, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %class.CStringBase, align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %76, %4
  %17 = load i32, ptr %10, align 4, !tbaa !5
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = icmp slt i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  store i32 2, ptr %11, align 4
  br label %80

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #3
  %22 = load ptr, ptr %7, align 8, !tbaa !9
  %23 = load i32, ptr %10, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds %"struct.NCommandLineParser::CCommandForm", ptr %22, i64 %24
  %26 = getelementptr inbounds %"struct.NCommandLineParser::CCommandForm", ptr %25, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  call void @_ZN11CStringBaseIwEC2EPKw(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef %27)
  %28 = load ptr, ptr %7, align 8, !tbaa !9
  %29 = load i32, ptr %10, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds %"struct.NCommandLineParser::CCommandForm", ptr %28, i64 %30
  %32 = getelementptr inbounds %"struct.NCommandLineParser::CCommandForm", ptr %31, i32 0, i32 1
  %33 = load i8, ptr %32, align 8, !tbaa !14, !range !15, !noundef !16
  %34 = trunc i8 %33 to i1
  br i1 %34, label %35, label %63

35:                                               ; preds = %21
  %36 = load ptr, ptr %8, align 8, !tbaa !9
  %37 = invoke noundef i32 @_ZNK11CStringBaseIwE4FindERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %36, ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %38 unwind label %49

38:                                               ; preds = %35
  %39 = icmp eq i32 %37, 0
  br i1 %39, label %40, label %62

40:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #3
  %41 = load ptr, ptr %8, align 8, !tbaa !9
  %42 = invoke noundef i32 @_ZNK11CStringBaseIwE6LengthEv(ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %43 unwind label %53

43:                                               ; preds = %40
  invoke void @_ZNK11CStringBaseIwE3MidEi(ptr dead_on_unwind writable sret(%class.CStringBase) align 8 %15, ptr noundef nonnull align 8 dereferenceable(16) %41, i32 noundef %42)
          to label %44 unwind label %53

44:                                               ; preds = %43
  %45 = load ptr, ptr %9, align 8, !tbaa !9
  %46 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZN11CStringBaseIwEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %45, ptr noundef nonnull align 8 dereferenceable(16) %15)
          to label %47 unwind label %57

47:                                               ; preds = %44
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %15) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  %48 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %48, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %73

49:                                               ; preds = %67, %63, %35
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %13, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %14, align 4
  br label %79

53:                                               ; preds = %43, %40
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %13, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %14, align 4
  br label %61

57:                                               ; preds = %44
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %13, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %14, align 4
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %15) #3
  br label %61

61:                                               ; preds = %57, %53
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  br label %79

62:                                               ; preds = %38
  br label %72

63:                                               ; preds = %21
  %64 = load ptr, ptr %8, align 8, !tbaa !9
  %65 = invoke noundef zeroext i1 @_ZeqIwEbRK11CStringBaseIT_ES4_(ptr noundef nonnull align 8 dereferenceable(16) %64, ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %66 unwind label %49

66:                                               ; preds = %63
  br i1 %65, label %67, label %71

67:                                               ; preds = %66
  %68 = load ptr, ptr %9, align 8, !tbaa !9
  invoke void @_ZN11CStringBaseIwE5EmptyEv(ptr noundef nonnull align 8 dereferenceable(16) %68)
          to label %69 unwind label %49

69:                                               ; preds = %67
  %70 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %70, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %73

71:                                               ; preds = %66
  br label %72

72:                                               ; preds = %71, %62
  store i32 0, ptr %11, align 4
  br label %73

73:                                               ; preds = %72, %69, %47
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %12) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  %74 = load i32, ptr %11, align 4
  switch i32 %74, label %80 [
    i32 0, label %75
  ]

75:                                               ; preds = %73
  br label %76

76:                                               ; preds = %75
  %77 = load i32, ptr %10, align 4, !tbaa !5
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %10, align 4, !tbaa !5
  br label %16, !llvm.loop !17

79:                                               ; preds = %61, %49
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %12) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %85

80:                                               ; preds = %73, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  %81 = load i32, ptr %11, align 4
  switch i32 %81, label %90 [
    i32 2, label %82
    i32 1, label %83
  ]

82:                                               ; preds = %80
  store i32 -1, ptr %5, align 4
  br label %83

83:                                               ; preds = %82, %80
  %84 = load i32, ptr %5, align 4
  ret i32 %84

85:                                               ; preds = %79
  %86 = load ptr, ptr %13, align 8
  %87 = load i32, ptr %14, align 4
  %88 = insertvalue { ptr, i32 } poison, ptr %86, 0
  %89 = insertvalue { ptr, i32 } %88, i32 %87, 1
  resume { ptr, i32 } %89

90:                                               ; preds = %80
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK11CStringBaseIwE4FindERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZeqIwEbRK11CStringBaseIT_ES4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #2

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 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 = { 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 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSN18NCommandLineParser12CCommandFormE", !10, i64 0, !13, i64 8}
!13 = !{!"bool", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; 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.CStringBase = type { ptr, i32, i32 }
%"struct.NCommandLineParser::CCommandForm" = type { ptr, i8 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11CStringBaseIwE5EmptyEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; 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 nounwind uwtable
declare dso_local noundef i32 @_ZNK11CStringBaseIwE6LengthEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 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 dso_local void @_ZNK11CStringBaseIwE3MidEi(ptr dead_on_unwind noalias writable sret(%class.CStringBase) align 8, ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN11CStringBaseIwEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11CStringBaseIwEC2EPKw(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN18NCommandLineParser12ParseCommandEiPKNS_12CCommandFormERK11CStringBaseIwERS4_(i32 noundef %0, ptr nocapture noundef readonly %1, ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(16) %3) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %class.CStringBase, align 8
  %6 = alloca %class.CStringBase, align 8
  %.not34 = icmp sgt i32 %0, 0
  br i1 %.not34, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %4
  %wide.trip.count = zext nneg i32 %0 to i64
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %33
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %33 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #3
  %7 = getelementptr inbounds %"struct.NCommandLineParser::CCommandForm", ptr %1, i64 %indvars.iv
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  call void @_ZN11CStringBaseIwEC2EPKw(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef %8)
  %9 = getelementptr inbounds i8, ptr %7, i64 8
  %10 = load i8, ptr %9, align 8, !tbaa !11, !range !12, !noundef !13
  %11 = trunc nuw i8 %10 to i1
  br i1 %11, label %12, label %28

12:                                               ; preds = %.lr.ph
  %13 = invoke noundef i32 @_ZNK11CStringBaseIwE4FindERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(16) %5)
          to label %14 unwind label %21

14:                                               ; preds = %12
  %15 = icmp eq i32 %13, 0
  br i1 %15, label %16, label %33

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  %17 = call noundef i32 @_ZNK11CStringBaseIwE6LengthEv(ptr noundef nonnull align 8 dereferenceable(16) %5)
  invoke void @_ZNK11CStringBaseIwE3MidEi(ptr dead_on_unwind nonnull writable sret(%class.CStringBase) align 8 %6, ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef %17)
          to label %18 unwind label %23

18:                                               ; preds = %16
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZN11CStringBaseIwEaSERKS0_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %20 unwind label %25

20:                                               ; preds = %18
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %6) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  br label %32

21:                                               ; preds = %28, %12
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %34

23:                                               ; preds = %16
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %27

25:                                               ; preds = %18
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %6) #3
  br label %27

27:                                               ; preds = %25, %23
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  br label %34

28:                                               ; preds = %.lr.ph
  %29 = invoke noundef zeroext i1 @_ZeqIwEbRK11CStringBaseIT_ES4_(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(16) %5)
          to label %30 unwind label %21

30:                                               ; preds = %28
  br i1 %29, label %31, label %33

31:                                               ; preds = %30
  call void @_ZN11CStringBaseIwE5EmptyEv(ptr noundef nonnull align 8 dereferenceable(16) %3)
  br label %32

32:                                               ; preds = %31, %20
  %.0223539 = trunc i64 %indvars.iv to i32
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  br label %.loopexit

33:                                               ; preds = %30, %14
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  %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 %.loopexit, label %.lr.ph, !llvm.loop !14

34:                                               ; preds = %27, %21
  %.pn.pn = phi { ptr, i32 } [ %.pn, %27 ], [ %22, %21 ]
  call void @_ZN11CStringBaseIwED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #3
  resume { ptr, i32 } %.pn.pn

.loopexit:                                        ; preds = %33, %4, %32
  %spec.select = phi i32 [ %.0223539, %32 ], [ -1, %4 ], [ -1, %33 ]
  ret i32 %spec.select
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNK11CStringBaseIwE4FindERKS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZeqIwEbRK11CStringBaseIT_ES4_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2

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 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 = { 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, !7, i64 0}
!6 = !{!"_ZTSN18NCommandLineParser12CCommandFormE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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