; LLVM IR from sfu-dis/mosaicdb :: benchmarks/egen/MEETickerTape.ll (ZN4TPCE14CMEETickerTape10AddToBatchEPNS_12TTickerEntryE)

; 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.TPCE::CMEETickerTape" = type { ptr, ptr, %"struct.TPCE::TMarketFeedTxnInput", i32, i32, %"class.TPCE::CRandom", i8, ptr, ptr, %"class.TPCE::CTimerWheel", %"class.std::queue", ptr, ptr }
%"struct.TPCE::TMarketFeedTxnInput" = type { i32, [4 x i8], %"struct.TPCE::TStatusAndTradeType", [4 x i8], [20 x %"struct.TPCE::TTickerEntry"] }
%"struct.TPCE::TStatusAndTradeType" = type { [5 x i8], [4 x i8], [4 x i8], [4 x i8] }
%"struct.TPCE::TTickerEntry" = type { double, i32, [16 x i8] }
%"class.TPCE::CRandom" = type { i64 }
%"class.TPCE::CTimerWheel" = type <{ %"class.TPCE::CDateTime", %"class.TPCE::CWheelTime", %"class.TPCE::CWheelTime", %"class.TPCE::CWheelTime", %"struct.TPCE::TWheelConfig", [900 x %"class.std::__cxx11::list"], i32, [4 x i8] }>
%"class.TPCE::CDateTime" = type { i32, i32, ptr }
%"class.TPCE::CWheelTime" = type { ptr, i32, i32 }
%"struct.TPCE::TWheelConfig" = type { i32, i32 }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<TPCE::CTimerWheelTimer<TPCE::TTickerEntry, TPCE::CMEETickerTape> *, std::allocator<TPCE::CTimerWheelTimer<TPCE::TTickerEntry, TPCE::CMEETickerTape> *>>::_List_impl" }
%"struct.std::__cxx11::_List_base<TPCE::CTimerWheelTimer<TPCE::TTickerEntry, TPCE::CMEETickerTape> *, std::allocator<TPCE::CTimerWheelTimer<TPCE::TTickerEntry, TPCE::CMEETickerTape> *>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<TPCE::TTickerEntry *, std::allocator<TPCE::TTickerEntry *>>::_Deque_impl" }
%"struct.std::_Deque_base<TPCE::TTickerEntry *, std::allocator<TPCE::TTickerEntry *>>::_Deque_impl" = type { %"struct.std::_Deque_base<TPCE::TTickerEntry *, std::allocator<TPCE::TTickerEntry *>>::_Deque_impl_data" }
%"struct.std::_Deque_base<TPCE::TTickerEntry *, std::allocator<TPCE::TTickerEntry *>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4TPCE14CMEETickerTape10AddToBatchEPNS_12TTickerEntryE(ptr noundef nonnull align 8 dereferenceable(22504) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %32, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 3
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp slt i32 %9, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %8
  store i32 2, ptr %6, align 4
  br label %35

14:                                               ; preds = %8
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %"struct.TPCE::TTickerEntry", ptr %15, i32 0, i32 2
  %17 = getelementptr inbounds [16 x i8], ptr %16, i64 0, i64 0
  %18 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 2
  %19 = getelementptr inbounds %"struct.TPCE::TMarketFeedTxnInput", ptr %18, i32 0, i32 4
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [20 x %"struct.TPCE::TTickerEntry"], ptr %19, i64 0, i64 %21
  %23 = getelementptr inbounds %"struct.TPCE::TTickerEntry", ptr %22, i32 0, i32 2
  %24 = getelementptr inbounds [16 x i8], ptr %23, i64 0, i64 0
  %25 = call i32 @strncmp(ptr noundef %17, ptr noundef %24, i64 noundef 15) #5
  %26 = icmp eq i32 %25, 0
  br i1 %26, label %27, label %31

27:                                               ; preds = %14
  %28 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 4
  %29 = load i32, ptr %28, align 4, !tbaa !29
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %28, align 4, !tbaa !29
  store i32 2, ptr %6, align 4
  br label %35

31:                                               ; preds = %14
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %5, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !30

35:                                               ; preds = %27, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %36

36:                                               ; preds = %35
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 2
  %39 = getelementptr inbounds %"struct.TPCE::TMarketFeedTxnInput", ptr %38, i32 0, i32 4
  %40 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 3
  %41 = load i32, ptr %40, align 8, !tbaa !11
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %40, align 8, !tbaa !11
  %43 = sext i32 %41 to i64
  %44 = getelementptr inbounds [20 x %"struct.TPCE::TTickerEntry"], ptr %39, i64 0, i64 %43
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %44, ptr align 8 %37, i64 32, i1 false), !tbaa.struct !32
  %45 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 3
  %46 = load i32, ptr %45, align 8, !tbaa !11
  %47 = icmp eq i32 20, %46
  br i1 %47, label %48, label %63

48:                                               ; preds = %36
  %49 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 4
  %50 = load i32, ptr %49, align 4, !tbaa !29
  %51 = sub nsw i32 20, %50
  %52 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 2
  %53 = getelementptr inbounds %"struct.TPCE::TMarketFeedTxnInput", ptr %52, i32 0, i32 0
  store i32 %51, ptr %53, align 8, !tbaa !36
  %54 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 0
  %55 = load ptr, ptr %54, align 8, !tbaa !37
  %56 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 2
  %57 = load ptr, ptr %55, align 8, !tbaa !38
  %58 = getelementptr inbounds ptr, ptr %57, i64 3
  %59 = load ptr, ptr %58, align 8
  %60 = call noundef zeroext i1 %59(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef %56)
  %61 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 3
  store i32 0, ptr %61, align 8, !tbaa !11
  %62 = getelementptr inbounds %"class.TPCE::CMEETickerTape", ptr %7, i32 0, i32 4
  store i32 0, ptr %62, align 4, !tbaa !29
  br label %63

63:                                               ; preds = %48, %36
  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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nounwind }
attributes #5 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 688}
!12 = !{!"_ZTSN4TPCE14CMEETickerTapeE", !6, i64 0, !6, i64 8, !13, i64 16, !10, i64 688, !10, i64 692, !15, i64 696, !17, i64 704, !6, i64 712, !6, i64 720, !18, i64 728, !22, i64 22408, !6, i64 22488, !6, i64 22496}
!13 = !{!"_ZTSN4TPCE19TMarketFeedTxnInputE", !10, i64 0, !7, i64 4, !14, i64 8, !7, i64 25, !7, i64 32}
!14 = !{!"_ZTSN4TPCE19TStatusAndTradeTypeE", !7, i64 0, !7, i64 5, !7, i64 9, !7, i64 13}
!15 = !{!"_ZTSN4TPCE7CRandomE", !16, i64 0}
!16 = !{!"long long", !7, i64 0}
!17 = !{!"bool", !7, i64 0}
!18 = !{!"_ZTSN4TPCE11CTimerWheelINS_12TTickerEntryENS_14CMEETickerTapeELi900ELi1000EEE", !19, i64 0, !20, i64 16, !20, i64 32, !20, i64 48, !21, i64 64, !7, i64 72, !10, i64 21672}
!19 = !{!"_ZTSN4TPCE9CDateTimeE", !10, i64 0, !10, i64 4, !6, i64 8}
!20 = !{!"_ZTSN4TPCE10CWheelTimeE", !6, i64 0, !10, i64 8, !10, i64 12}
!21 = !{!"_ZTSN4TPCE12TWheelConfigE", !10, i64 0, !10, i64 4}
!22 = !{!"_ZTSSt5queueIPN4TPCE12TTickerEntryESt5dequeIS2_SaIS2_EEE", !23, i64 0}
!23 = !{!"_ZTSSt5dequeIPN4TPCE12TTickerEntryESaIS2_EE", !24, i64 0}
!24 = !{!"_ZTSSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE", !25, i64 0}
!25 = !{!"_ZTSNSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE11_Deque_implE", !26, i64 0}
!26 = !{!"_ZTSNSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE16_Deque_impl_dataE", !6, i64 0, !27, i64 8, !28, i64 16, !28, i64 48}
!27 = !{!"long", !7, i64 0}
!28 = !{!"_ZTSSt15_Deque_iteratorIPN4TPCE12TTickerEntryERS2_PS2_E", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!29 = !{!12, !10, i64 692}
!30 = distinct !{!30, !31}
!31 = !{!"llvm.loop.mustprogress"}
!32 = !{i64 0, i64 8, !33, i64 8, i64 4, !9, i64 12, i64 16, !35}
!33 = !{!34, !34, i64 0}
!34 = !{!"double", !7, i64 0}
!35 = !{!7, !7, i64 0}
!36 = !{!12, !10, i64 16}
!37 = !{!12, !6, i64 0}
!38 = !{!39, !39, i64 0}
!39 = !{!"vtable pointer", !8, i64 0}


; 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.TPCE::TTickerEntry" = type { double, i32, [16 x i8] }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4TPCE14CMEETickerTape10AddToBatchEPNS_12TTickerEntryE(ptr noundef nonnull align 8 dereferenceable(22504) %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 688
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 12
  %7 = getelementptr inbounds i8, ptr %0, i64 48
  %wide.trip.count = zext nneg i32 %4 to i64
  br label %9

8:                                                ; preds = %9
  %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 %9, !llvm.loop !27

9:                                                ; preds = %.lr.ph, %8
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %8 ]
  %10 = getelementptr inbounds [20 x %"struct.TPCE::TTickerEntry"], ptr %7, i64 0, i64 %indvars.iv, i32 2
  %11 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %6, ptr noundef nonnull dereferenceable(1) %10, i64 noundef 15) #3
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %8

13:                                               ; preds = %9
  %14 = getelementptr inbounds i8, ptr %0, i64 692
  %15 = load i32, ptr %14, align 4, !tbaa !29
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %14, align 4, !tbaa !29
  br label %.loopexit

.loopexit:                                        ; preds = %8, %2, %13
  %17 = getelementptr inbounds i8, ptr %0, i64 48
  %18 = add nsw i32 %4, 1
  store i32 %18, ptr %3, align 8, !tbaa !5
  %19 = sext i32 %4 to i64
  %20 = getelementptr inbounds [20 x %"struct.TPCE::TTickerEntry"], ptr %17, i64 0, i64 %19
  tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef nonnull align 8 dereferenceable(32) %1, i64 32, i1 false), !tbaa.struct !30
  %21 = load i32, ptr %3, align 8, !tbaa !5
  %22 = icmp eq i32 %21, 20
  br i1 %22, label %23, label %33

23:                                               ; preds = %.loopexit
  %24 = getelementptr inbounds i8, ptr %0, i64 16
  %25 = getelementptr inbounds i8, ptr %0, i64 692
  %26 = load i32, ptr %25, align 4, !tbaa !29
  %27 = sub nsw i32 20, %26
  store i32 %27, ptr %24, align 8, !tbaa !35
  %28 = load ptr, ptr %0, align 8, !tbaa !36
  %29 = load ptr, ptr %28, align 8, !tbaa !37
  %30 = getelementptr inbounds i8, ptr %29, i64 24
  %31 = load ptr, ptr %30, align 8
  %32 = tail call noundef zeroext i1 %31(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull %24)
  store i32 0, ptr %3, align 8, !tbaa !5
  store i32 0, ptr %25, align 4, !tbaa !29
  br label %33

33:                                               ; preds = %23, %.loopexit
  ret void
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strncmp(ptr nocapture noundef, ptr nocapture noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #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 = { 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 nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !11, i64 688}
!6 = !{!"_ZTSN4TPCE14CMEETickerTapeE", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 688, !11, i64 692, !13, i64 696, !15, i64 704, !7, i64 712, !7, i64 720, !16, i64 728, !20, i64 22408, !7, i64 22488, !7, i64 22496}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN4TPCE19TMarketFeedTxnInputE", !11, i64 0, !8, i64 4, !12, i64 8, !8, i64 25, !8, i64 32}
!11 = !{!"int", !8, i64 0}
!12 = !{!"_ZTSN4TPCE19TStatusAndTradeTypeE", !8, i64 0, !8, i64 5, !8, i64 9, !8, i64 13}
!13 = !{!"_ZTSN4TPCE7CRandomE", !14, i64 0}
!14 = !{!"long long", !8, i64 0}
!15 = !{!"bool", !8, i64 0}
!16 = !{!"_ZTSN4TPCE11CTimerWheelINS_12TTickerEntryENS_14CMEETickerTapeELi900ELi1000EEE", !17, i64 0, !18, i64 16, !18, i64 32, !18, i64 48, !19, i64 64, !8, i64 72, !11, i64 21672}
!17 = !{!"_ZTSN4TPCE9CDateTimeE", !11, i64 0, !11, i64 4, !7, i64 8}
!18 = !{!"_ZTSN4TPCE10CWheelTimeE", !7, i64 0, !11, i64 8, !11, i64 12}
!19 = !{!"_ZTSN4TPCE12TWheelConfigE", !11, i64 0, !11, i64 4}
!20 = !{!"_ZTSSt5queueIPN4TPCE12TTickerEntryESt5dequeIS2_SaIS2_EEE", !21, i64 0}
!21 = !{!"_ZTSSt5dequeIPN4TPCE12TTickerEntryESaIS2_EE", !22, i64 0}
!22 = !{!"_ZTSSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE", !23, i64 0}
!23 = !{!"_ZTSNSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE11_Deque_implE", !24, i64 0}
!24 = !{!"_ZTSNSt11_Deque_baseIPN4TPCE12TTickerEntryESaIS2_EE16_Deque_impl_dataE", !7, i64 0, !25, i64 8, !26, i64 16, !26, i64 48}
!25 = !{!"long", !8, i64 0}
!26 = !{!"_ZTSSt15_Deque_iteratorIPN4TPCE12TTickerEntryERS2_PS2_E", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!27 = distinct !{!27, !28}
!28 = !{!"llvm.loop.mustprogress"}
!29 = !{!6, !11, i64 692}
!30 = !{i64 0, i64 8, !31, i64 8, i64 4, !33, i64 12, i64 16, !34}
!31 = !{!32, !32, i64 0}
!32 = !{!"double", !8, i64 0}
!33 = !{!11, !11, i64 0}
!34 = !{!8, !8, i64 0}
!35 = !{!6, !11, i64 16}
!36 = !{!6, !7, i64 0}
!37 = !{!38, !38, i64 0}
!38 = !{!"vtable pointer", !9, i64 0}


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