; LLVM IR from tangjz/acm-icpc :: hdu/4769.ll (Z5checkb)

; 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.Bitset = type { i32, [10 x i64] }

@m = external dso_local global i32, align 4
@rcnt = external dso_local global i32, align 4
@bits = external dso_local global [201 x i32], align 16
@tim = external dso_local global [601 x i32], align 16
@con = external dso_local global [61 x i32], align 16
@lim = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@row = external dso_local global [601 x %struct.Bitset], align 16
@col = external dso_local global [201 x %struct.Bitset], align 16
@_ZL3upp = external hidden constant i32, align 4

; 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: mustprogress uwtable
declare dso_local void @_Z3dfsib(i32 noundef, i1 noundef zeroext) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5checkb(i1 noundef zeroext %0) #1 {
  %2 = alloca i8, align 1
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = zext i1 %0 to i8
  store i8 %6, ptr %2, align 1, !tbaa !5
  store i32 0, ptr @rcnt, align 4, !tbaa !9
  br label %7

7:                                                ; preds = %15, %1
  %8 = load i32, ptr @rcnt, align 4, !tbaa !9
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds [601 x i32], ptr @tim, i64 0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = load i32, ptr @lim, align 4, !tbaa !9
  %13 = icmp sle i32 %11, %12
  br i1 %13, label %14, label %18

14:                                               ; preds = %7
  br label %15

15:                                               ; preds = %14
  %16 = load i32, ptr @rcnt, align 4, !tbaa !9
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr @rcnt, align 4, !tbaa !9
  br label %7, !llvm.loop !11

18:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %19

19:                                               ; preds = %58, %18
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = load i32, ptr @m, align 4, !tbaa !9
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %24, label %23

23:                                               ; preds = %19
  store i32 5, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %61

24:                                               ; preds = %19
  %25 = load i32, ptr @rcnt, align 4, !tbaa !9
  %26 = sub nsw i32 %25, 1
  %27 = ashr i32 %26, 6
  %28 = add nsw i32 %27, 1
  %29 = load i32, ptr %3, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %30
  %32 = getelementptr inbounds %struct.Bitset, ptr %31, i32 0, i32 0
  store i32 %28, ptr %32, align 8, !tbaa !13
  %33 = load i32, ptr %3, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [201 x i32], ptr @bits, i64 0, i64 %34
  store i32 0, ptr %35, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %54, %24
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = load i32, ptr @rcnt, align 4, !tbaa !9
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %41, label %40

40:                                               ; preds = %36
  store i32 8, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %57

41:                                               ; preds = %36
  %42 = load i32, ptr %5, align 4, !tbaa !9
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [601 x %struct.Bitset], ptr @row, i64 0, i64 %43
  %45 = load i32, ptr %3, align 4, !tbaa !9
  %46 = call noundef zeroext i1 @_ZNK6Bitset4testEi(ptr noundef nonnull align 8 dereferenceable(88) %44, i32 noundef %45)
  br i1 %46, label %47, label %53

47:                                               ; preds = %41
  %48 = load i32, ptr %3, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [201 x i32], ptr @bits, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !9
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %50, align 4, !tbaa !9
  br label %53

53:                                               ; preds = %47, %41
  br label %54

54:                                               ; preds = %53
  %55 = load i32, ptr %5, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %5, align 4, !tbaa !9
  br label %36, !llvm.loop !15

57:                                               ; preds = %40
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %3, align 4, !tbaa !9
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %3, align 4, !tbaa !9
  br label %19, !llvm.loop !16

61:                                               ; preds = %23
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @lim, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3upp)
  %63 = load i32, ptr %62, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr @ans, align 4, !tbaa !9
  %65 = load i32, ptr @lim, align 4, !tbaa !9
  %66 = sext i32 %65 to i64
  %67 = mul i64 %66, 4
  call void @llvm.memset.p0.i64(ptr align 4 getelementptr inbounds (i32, ptr @con, i64 1), i8 -1, i64 %67, i1 false)
  %68 = load i8, ptr %2, align 1, !tbaa !5, !range !17, !noundef !18
  %69 = trunc i8 %68 to i1
  call void @_Z3dfsib(i32 noundef 0, i1 noundef zeroext %69)
  %70 = load i32, ptr @ans, align 4, !tbaa !9
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @lim, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3upp)
  %72 = load i32, ptr %71, align 4, !tbaa !9
  %73 = icmp sle i32 %70, %72
  ret i1 %73
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK6Bitset4testEi(ptr noundef nonnull align 8 dereferenceable(88), i32 noundef) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #3 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple 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 = !{!"_ZTS6Bitset", !10, i64 0, !7, i64 8}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}
!17 = !{i8 0, i8 2}
!18 = !{}


; 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.Bitset = type { i32, [10 x i64] }

@m = external dso_local local_unnamed_addr global i32, align 4
@rcnt = external dso_local local_unnamed_addr global i32, align 4
@bits = external dso_local local_unnamed_addr global [201 x i32], align 16
@tim = external dso_local local_unnamed_addr global [601 x i32], align 16
@con = external dso_local local_unnamed_addr global [61 x i32], align 16
@lim = external dso_local global i32, align 4
@ans = external dso_local local_unnamed_addr global i32, align 4
@row = external dso_local global [601 x %struct.Bitset], align 16
@col = external dso_local local_unnamed_addr global [201 x %struct.Bitset], align 16
@_ZL3upp = external hidden constant i32, align 4

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3dfsib(i32 noundef, i1 noundef zeroext) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z5checkb(i1 noundef zeroext %0) local_unnamed_addr #0 {
  %2 = load i32, ptr @lim, align 4, !tbaa !5
  br label %3

3:                                                ; preds = %3, %1
  %indvars.iv = phi i64 [ %indvars.iv.next, %3 ], [ 0, %1 ]
  %4 = getelementptr inbounds [601 x i32], ptr @tim, i64 0, i64 %indvars.iv
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %.not = icmp sgt i32 %5, %2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  br i1 %.not, label %.preheader, label %3, !llvm.loop !9

.preheader:                                       ; preds = %3
  %6 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %6, ptr @rcnt, align 4, !tbaa !5
  %7 = load i32, ptr @m, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph13, label %._crit_edge14

.lr.ph13:                                         ; preds = %.preheader
  %.not27 = icmp eq i64 %indvars.iv, 0
  br i1 %.not27, label %.lr.ph13.split.us, label %.lr.ph13.split

.lr.ph13.split.us:                                ; preds = %.lr.ph13
  %9 = zext nneg i32 %7 to i64
  %10 = shl nuw nsw i64 %9, 2
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(1) @bits, i8 0, i64 %10, i1 false), !tbaa !5
  %xtraiter = and i64 %9, 3
  %11 = icmp ult i32 %7, 4
  br i1 %11, label %._crit_edge14.loopexit.unr-lcssa, label %.lr.ph13.split.us.new

.lr.ph13.split.us.new:                            ; preds = %.lr.ph13.split.us
  %unroll_iter = and i64 %9, 2147483644
  br label %12

12:                                               ; preds = %12, %.lr.ph13.split.us.new
  %indvars.iv17 = phi i64 [ 0, %.lr.ph13.split.us.new ], [ %indvars.iv.next18.3, %12 ]
  %niter = phi i64 [ 0, %.lr.ph13.split.us.new ], [ %niter.next.3, %12 ]
  %13 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv17
  store i32 0, ptr %13, align 16, !tbaa !11
  %indvars.iv.next18 = or disjoint i64 %indvars.iv17, 1
  %14 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv.next18
  store i32 0, ptr %14, align 8, !tbaa !11
  %indvars.iv.next18.1 = or disjoint i64 %indvars.iv17, 2
  %15 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv.next18.1
  store i32 0, ptr %15, align 16, !tbaa !11
  %indvars.iv.next18.2 = or disjoint i64 %indvars.iv17, 3
  %16 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv.next18.2
  store i32 0, ptr %16, align 8, !tbaa !11
  %indvars.iv.next18.3 = add nuw nsw i64 %indvars.iv17, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge14.loopexit.unr-lcssa, label %12, !llvm.loop !13

._crit_edge14.loopexit.unr-lcssa:                 ; preds = %12, %.lr.ph13.split.us
  %indvars.iv17.unr = phi i64 [ 0, %.lr.ph13.split.us ], [ %indvars.iv.next18.3, %12 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge14, label %.epil.preheader

.epil.preheader:                                  ; preds = %._crit_edge14.loopexit.unr-lcssa, %.epil.preheader
  %indvars.iv17.epil = phi i64 [ %indvars.iv.next18.epil, %.epil.preheader ], [ %indvars.iv17.unr, %._crit_edge14.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %._crit_edge14.loopexit.unr-lcssa ]
  %17 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv17.epil
  store i32 0, ptr %17, align 8, !tbaa !11
  %indvars.iv.next18.epil = add nuw nsw i64 %indvars.iv17.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge14, label %.epil.preheader, !llvm.loop !14

._crit_edge14:                                    ; preds = %._crit_edge, %._crit_edge14.loopexit.unr-lcssa, %.epil.preheader, %.preheader
  %18 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @lim, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3upp)
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr @ans, align 4, !tbaa !5
  %21 = load i32, ptr @lim, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = shl nsw i64 %22, 2
  tail call void @llvm.memset.p0.i64(ptr nonnull align 4 getelementptr inbounds (i8, ptr @con, i64 4), i8 -1, i64 %23, i1 false)
  tail call void @_Z3dfsib(i32 noundef 0, i1 noundef zeroext %0)
  %24 = load i32, ptr @ans, align 4, !tbaa !5
  %25 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @lim, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3upp)
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = icmp sle i32 %24, %26
  ret i1 %27

.lr.ph13.split:                                   ; preds = %.lr.ph13, %._crit_edge
  %28 = phi i32 [ %37, %._crit_edge ], [ %7, %.lr.ph13 ]
  %29 = phi i32 [ %38, %._crit_edge ], [ %6, %.lr.ph13 ]
  %indvars.iv24 = phi i64 [ %indvars.iv.next25, %._crit_edge ], [ 0, %.lr.ph13 ]
  %30 = add nsw i32 %29, -1
  %31 = ashr i32 %30, 6
  %32 = add nsw i32 %31, 1
  %33 = getelementptr inbounds [201 x %struct.Bitset], ptr @col, i64 0, i64 %indvars.iv24
  store i32 %32, ptr %33, align 8, !tbaa !11
  %34 = getelementptr inbounds [201 x i32], ptr @bits, i64 0, i64 %indvars.iv24
  store i32 0, ptr %34, align 4, !tbaa !5
  %35 = icmp sgt i32 %29, 0
  br i1 %35, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.lr.ph13.split
  %36 = trunc nuw nsw i64 %indvars.iv24 to i32
  br label %.lr.ph

._crit_edge.loopexit:                             ; preds = %46
  %.pre = load i32, ptr @m, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.lr.ph13.split
  %37 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %28, %.lr.ph13.split ]
  %38 = phi i32 [ %47, %._crit_edge.loopexit ], [ %29, %.lr.ph13.split ]
  %indvars.iv.next25 = add nuw nsw i64 %indvars.iv24, 1
  %39 = sext i32 %37 to i64
  %40 = icmp slt i64 %indvars.iv.next25, %39
  br i1 %40, label %.lr.ph13.split, label %._crit_edge14, !llvm.loop !16

.lr.ph:                                           ; preds = %.lr.ph.preheader, %46
  %indvars.iv21 = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next22, %46 ]
  %41 = getelementptr inbounds [601 x %struct.Bitset], ptr @row, i64 0, i64 %indvars.iv21
  %42 = tail call noundef zeroext i1 @_ZNK6Bitset4testEi(ptr noundef nonnull align 8 dereferenceable(88) %41, i32 noundef %36)
  br i1 %42, label %43, label %46

43:                                               ; preds = %.lr.ph
  %44 = load i32, ptr %34, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %34, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %.lr.ph, %43
  %indvars.iv.next22 = add nuw nsw i64 %indvars.iv21, 1
  %47 = load i32, ptr @rcnt, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = icmp slt i64 %indvars.iv.next22, %48
  br i1 %49, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !18
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK6Bitset4testEi(ptr noundef nonnull align 8 dereferenceable(88), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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 = { inlinehint 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 #2 = { 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }

!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, !6, i64 0}
!12 = !{!"_ZTS6Bitset", !6, i64 0, !7, i64 8}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.unroll.disable"}
!16 = distinct !{!16, !10, !17}
!17 = !{!"llvm.loop.unswitch.partial.disable"}
!18 = distinct !{!18, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass