; LLVM IR from AdarshGaur/Competitive-Programming :: Codeforces/Codeforces Global Round 19/B. MEX and Array.ll (Z5solvev)

; 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.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 {
  %1 = alloca i64, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #4
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %12 = load i64, ptr %1, align 8, !tbaa !5
  %13 = call ptr @llvm.stacksave.p0()
  store ptr %13, ptr %2, align 8
  %14 = alloca i64, i64 %12, align 16
  store i64 %12, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %24, %0
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %1, align 8, !tbaa !5
  %18 = icmp slt i64 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  br label %27

20:                                               ; preds = %15
  %21 = load i64, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds i64, ptr %14, i64 %21
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %22)
  br label %24

24:                                               ; preds = %20
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = add nsw i64 %25, 1
  store i64 %26, ptr %4, align 8, !tbaa !5
  br label %15, !llvm.loop !9

27:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %70, %27
  %29 = load i64, ptr %6, align 8, !tbaa !5
  %30 = load i64, ptr %1, align 8, !tbaa !5
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %73

33:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %34 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %34, ptr %8, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %66, %33
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = load i64, ptr %1, align 8, !tbaa !5
  %38 = icmp slt i64 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %69

40:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  store i64 0, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %41 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %41, ptr %10, align 8, !tbaa !5
  br label %42

42:                                               ; preds = %59, %40
  %43 = load i64, ptr %10, align 8, !tbaa !5
  %44 = load i64, ptr %8, align 8, !tbaa !5
  %45 = icmp sle i64 %43, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %42
  store i32 11, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %62

47:                                               ; preds = %42
  %48 = load i64, ptr %10, align 8, !tbaa !5
  %49 = getelementptr inbounds i64, ptr %14, i64 %48
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = icmp eq i64 %50, 0
  br i1 %51, label %52, label %55

52:                                               ; preds = %47
  %53 = load i64, ptr %9, align 8, !tbaa !5
  %54 = add nsw i64 %53, 2
  store i64 %54, ptr %9, align 8, !tbaa !5
  br label %58

55:                                               ; preds = %47
  %56 = load i64, ptr %9, align 8, !tbaa !5
  %57 = add nsw i64 %56, 1
  store i64 %57, ptr %9, align 8, !tbaa !5
  br label %58

58:                                               ; preds = %55, %52
  br label %59

59:                                               ; preds = %58
  %60 = load i64, ptr %10, align 8, !tbaa !5
  %61 = add nsw i64 %60, 1
  store i64 %61, ptr %10, align 8, !tbaa !5
  br label %42, !llvm.loop !11

62:                                               ; preds = %46
  %63 = load i64, ptr %9, align 8, !tbaa !5
  %64 = load i64, ptr %5, align 8, !tbaa !5
  %65 = add nsw i64 %64, %63
  store i64 %65, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %66

66:                                               ; preds = %62
  %67 = load i64, ptr %8, align 8, !tbaa !5
  %68 = add nsw i64 %67, 1
  store i64 %68, ptr %8, align 8, !tbaa !5
  br label %35, !llvm.loop !12

69:                                               ; preds = %39
  br label %70

70:                                               ; preds = %69
  %71 = load i64, ptr %6, align 8, !tbaa !5
  %72 = add nsw i64 %71, 1
  store i64 %72, ptr %6, align 8, !tbaa !5
  br label %28, !llvm.loop !13

73:                                               ; preds = %32
  %74 = load i64, ptr %5, align 8, !tbaa !5
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %74)
  %76 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef @.str)
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  %77 = load ptr, ptr %2, align 8
  call void @llvm.stackrestore.p0(ptr %77)
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #4
  ret void
}

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn }
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 = { 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 = !{!"long", !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 = distinct !{!12, !10}
!13 = distinct !{!13, !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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %2 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = call ptr @llvm.stacksave.p0()
  %5 = alloca i64, i64 %3, align 16
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = icmp sgt i64 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge36

.preheader25:                                     ; preds = %.lr.ph
  %8 = icmp sgt i64 %12, 0
  br i1 %8, label %.preheader24, label %._crit_edge36

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.02326 = phi i64 [ %11, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds i64, ptr %5, i64 %.02326
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %11 = add nuw nsw i64 %.02326, 1
  %12 = load i64, ptr %1, align 8, !tbaa !5
  %13 = icmp slt i64 %11, %12
  br i1 %13, label %.lr.ph, label %.preheader25, !llvm.loop !9

.preheader24:                                     ; preds = %.preheader25, %28
  %indvars.iv = phi i64 [ %indvars.iv.next, %28 ], [ 1, %.preheader25 ]
  %.02035 = phi i64 [ %29, %28 ], [ 0, %.preheader25 ]
  %.02134 = phi i64 [ %30, %28 ], [ 0, %.preheader25 ]
  %14 = getelementptr i64, ptr %5, i64 %.02035
  br label %.preheader

._crit_edge36:                                    ; preds = %28, %0, %.preheader25
  %.021.lcssa = phi i64 [ 0, %.preheader25 ], [ 0, %0 ], [ %30, %28 ]
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.021.lcssa)
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @.str)
  call void @llvm.stackrestore.p0(ptr %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void

.preheader:                                       ; preds = %.preheader24, %._crit_edge
  %indvar = phi i64 [ 0, %.preheader24 ], [ %indvar.next, %._crit_edge ]
  %indvars.iv40 = phi i64 [ %indvars.iv, %.preheader24 ], [ %indvars.iv.next41, %._crit_edge ]
  %.01933 = phi i64 [ %.02035, %.preheader24 ], [ %31, %._crit_edge ]
  %.12232 = phi i64 [ %.02134, %.preheader24 ], [ %30, %._crit_edge ]
  %17 = add i64 %indvar, 1
  %.not27 = icmp ugt i64 %.02035, %.01933
  br i1 %.not27, label %._crit_edge, label %.lr.ph30.preheader

.lr.ph30.preheader:                               ; preds = %.preheader
  %min.iters.check = icmp ult i64 %17, 4
  br i1 %min.iters.check, label %.lr.ph30.preheader48, label %vector.ph

.lr.ph30.preheader48:                             ; preds = %middle.block, %.lr.ph30.preheader
  %.029.ph = phi i64 [ %.02035, %.lr.ph30.preheader ], [ %ind.end, %middle.block ]
  %.01828.ph = phi i64 [ 0, %.lr.ph30.preheader ], [ %27, %middle.block ]
  br label %.lr.ph30

vector.ph:                                        ; preds = %.lr.ph30.preheader
  %n.vec = and i64 %17, -4
  %ind.end = add i64 %.02035, %n.vec
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <2 x i64> [ zeroinitializer, %vector.ph ], [ %24, %vector.body ]
  %vec.phi46 = phi <2 x i64> [ zeroinitializer, %vector.ph ], [ %25, %vector.body ]
  %18 = getelementptr i64, ptr %14, i64 %index
  %19 = getelementptr inbounds i8, ptr %18, i64 16
  %wide.load = load <2 x i64>, ptr %18, align 8, !tbaa !5
  %wide.load47 = load <2 x i64>, ptr %19, align 8, !tbaa !5
  %20 = icmp eq <2 x i64> %wide.load, zeroinitializer
  %21 = icmp eq <2 x i64> %wide.load47, zeroinitializer
  %22 = select <2 x i1> %20, <2 x i64> <i64 2, i64 2>, <2 x i64> <i64 1, i64 1>
  %23 = select <2 x i1> %21, <2 x i64> <i64 2, i64 2>, <2 x i64> <i64 1, i64 1>
  %24 = add <2 x i64> %22, %vec.phi
  %25 = add <2 x i64> %23, %vec.phi46
  %index.next = add nuw i64 %index, 4
  %26 = icmp eq i64 %index.next, %n.vec
  br i1 %26, label %middle.block, label %vector.body, !llvm.loop !11

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <2 x i64> %25, %24
  %27 = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> %bin.rdx)
  %cmp.n = icmp eq i64 %17, %n.vec
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph30.preheader48

28:                                               ; preds = %._crit_edge
  %29 = add nuw nsw i64 %.02035, 1
  %indvars.iv.next = add nuw i64 %indvars.iv, 1
  %exitcond42.not = icmp eq i64 %29, %12
  br i1 %exitcond42.not, label %._crit_edge36, label %.preheader24, !llvm.loop !14

._crit_edge:                                      ; preds = %.lr.ph30, %middle.block, %.preheader
  %.018.lcssa = phi i64 [ 0, %.preheader ], [ %27, %middle.block ], [ %.1, %.lr.ph30 ]
  %30 = add nsw i64 %.018.lcssa, %.12232
  %31 = add nuw nsw i64 %.01933, 1
  %32 = icmp slt i64 %31, %12
  %indvars.iv.next41 = add nuw i64 %indvars.iv40, 1
  %indvar.next = add i64 %indvar, 1
  br i1 %32, label %.preheader, label %28, !llvm.loop !15

.lr.ph30:                                         ; preds = %.lr.ph30.preheader48, %.lr.ph30
  %.029 = phi i64 [ %36, %.lr.ph30 ], [ %.029.ph, %.lr.ph30.preheader48 ]
  %.01828 = phi i64 [ %.1, %.lr.ph30 ], [ %.01828.ph, %.lr.ph30.preheader48 ]
  %33 = getelementptr inbounds i64, ptr %5, i64 %.029
  %34 = load i64, ptr %33, align 8, !tbaa !5
  %35 = icmp eq i64 %34, 0
  %.1.v = select i1 %35, i64 2, i64 1
  %.1 = add nuw nsw i64 %.1.v, %.01828
  %36 = add nuw i64 %.029, 1
  %exitcond.not = icmp eq i64 %36, %indvars.iv40
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph30, !llvm.loop !16
}

; 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 uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.vector.reduce.add.v2i64(<2 x i64>) #4

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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 = !{!"long", !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}
!12 = !{!"llvm.loop.isvectorized", i32 1}
!13 = !{!"llvm.loop.unroll.runtime.disable"}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10, !13, !12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,ReassociatePass,SROAPass,SimplifyCFGPass