; LLVM IR from Columbitech/rohc :: src (drtp_profile)

; 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.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.ROHC::DProfile" = type <{ ptr, ptr, i16, [2 x i8], i32, i16, i16, i32, i32, i32, i64, i64, i8, [3 x i8], %"struct.ROHC::iphdr", i64, i32, [4 x i8] }>
%"struct.ROHC::iphdr" = type { i8, i8, i16, i16, i16, i8, i8, i16, i32, i32 }

@.str.19 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [27 x i8], align 1

; 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 nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN4ROHC11DRTPProfile15parse_pt_0_crc7ERN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEERKS7_(ptr noundef nonnull align 8 dereferenceable(132) %0, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #2 align 2 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca [2 x i8], align 1
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %11 = alloca i8, align 1
  %12 = alloca i32, align 4
  %13 = alloca i16, align 2
  %14 = alloca i16, align 2
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %15 = load ptr, ptr %5, align 8
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call noundef i64 @_ZN9__gnu_cxxmiIPhSt6vectorIhSaIhEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  %19 = icmp slt i64 %18, 2
  br i1 %19, label %20, label %21

20:                                               ; preds = %3
  call void (ptr, ...) @_ZN4ROHC5errorEPKcz(ptr noundef @.str.19)
  store i1 false, ptr %4, align 1
  br label %75

21:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 2, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %22, i32 noundef 0) #5
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %9, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %26 = load i8, ptr %25, align 1, !tbaa !9
  %27 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  store i8 %26, ptr %27, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %28, i32 noundef 0) #5
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %10, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  %32 = load i8, ptr %31, align 1, !tbaa !9
  %33 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 1
  store i8 %32, ptr %33, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #5
  %34 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 1
  %35 = load i8, ptr %34, align 1, !tbaa !9
  %36 = zext i8 %35 to i32
  %37 = and i32 %36, 127
  %38 = trunc i32 %37 to i8
  store i8 %38, ptr %11, align 1, !tbaa !9
  %39 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 1
  %40 = load i8, ptr %39, align 1, !tbaa !9
  %41 = zext i8 %40 to i32
  %42 = and i32 %41, 128
  %43 = trunc i32 %42 to i8
  store i8 %43, ptr %39, align 1, !tbaa !9
  %44 = load i8, ptr %11, align 1, !tbaa !9
  %45 = zext i8 %44 to i32
  %46 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  %47 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  %48 = getelementptr inbounds i8, ptr %47, i64 2
  %49 = call noundef zeroext i8 @_ZN4ROHC4CRC7EPKhS1_(ptr noundef %46, ptr noundef %48)
  %50 = zext i8 %49 to i32
  %51 = icmp ne i32 %45, %50
  br i1 %51, label %52, label %53

52:                                               ; preds = %21
  call void (ptr, ...) @_ZN4ROHC5errorEPKcz(ptr noundef @.str.20)
  call void @_ZN4ROHC8DProfile8SendNackEv(ptr noundef nonnull align 8 dereferenceable(92) %15)
  store i1 false, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %74

53:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 2, ptr %13) #5
  %54 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 0
  %55 = load i8, ptr %54, align 1, !tbaa !9
  %56 = zext i8 %55 to i32
  %57 = and i32 %56, 15
  %58 = shl i32 %57, 1
  %59 = getelementptr inbounds [2 x i8], ptr %8, i64 0, i64 1
  %60 = load i8, ptr %59, align 1, !tbaa !9
  %61 = zext i8 %60 to i32
  %62 = ashr i32 %61, 7
  %63 = or i32 %58, %62
  %64 = trunc i32 %63 to i16
  store i16 %64, ptr %13, align 2, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 2, ptr %14) #5
  %65 = load i16, ptr %13, align 2, !tbaa !10
  %66 = getelementptr inbounds %"class.ROHC::DProfile", ptr %15, i32 0, i32 5
  %67 = call noundef zeroext i16 @_ZNK4ROHC8DProfile9UpdateMSNEtjRt(ptr noundef nonnull align 8 dereferenceable(92) %15, i16 noundef zeroext %65, i32 noundef 5, ptr noundef nonnull align 2 dereferenceable(2) %66)
  store i16 %67, ptr %14, align 2, !tbaa !10
  %68 = load i16, ptr %14, align 2, !tbaa !10
  %69 = call noundef zeroext i1 @_ZN4ROHC11DRTPProfile24parse_inferred_scaled_tsEt(ptr noundef nonnull align 8 dereferenceable(132) %15, i16 noundef zeroext %68)
  br i1 %69, label %71, label %70

70:                                               ; preds = %53
  store i1 false, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %73

71:                                               ; preds = %53
  %72 = load i16, ptr %14, align 2, !tbaa !10
  call void @_ZN4ROHC8DProfile31parse_inferred_sequential_ip_idEt(ptr noundef nonnull align 8 dereferenceable(92) %15, i16 noundef zeroext %72)
  store i1 true, ptr %4, align 1
  store i32 1, ptr %12, align 4
  br label %73

73:                                               ; preds = %71, %70
  call void @llvm.lifetime.end.p0(i64 2, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 2, ptr %13) #5
  br label %74

74:                                               ; preds = %73, %52
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 2, ptr %8) #5
  br label %75

75:                                               ; preds = %74, %20
  %76 = load i1, ptr %4, align 1
  ret i1 %76
}

declare void @_ZN4ROHC5errorEPKcz(ptr noundef, ...) #3

declare void @_ZN4ROHC8DProfile8SendNackEv(ptr noundef nonnull align 8 dereferenceable(92)) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPhSt6vectorIhSaIhEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4ROHC11DRTPProfile24parse_inferred_scaled_tsEt(ptr noundef nonnull align 8 dereferenceable(132), i16 noundef zeroext) #2 align 2

declare noundef zeroext i16 @_ZNK4ROHC8DProfile9UpdateMSNEtjRt(ptr noundef nonnull align 8 dereferenceable(92), i16 noundef zeroext, i32 noundef, ptr noundef nonnull align 2 dereferenceable(2)) #3

declare void @_ZN4ROHC8DProfile31parse_inferred_sequential_ip_idEt(ptr noundef nonnull align 8 dereferenceable(92), i16 noundef zeroext) #3

declare noundef zeroext i8 @_ZN4ROHC4CRC7EPKhS1_(ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 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 = { "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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"short", !7, 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"

%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@.str.19 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [27 x i8], align 1

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN4ROHC11DRTPProfile15parse_pt_0_crc7ERN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEERKS7_(ptr noundef nonnull align 8 dereferenceable(132) %0, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) local_unnamed_addr #2 align 2 {
  %4 = alloca [2 x i8], align 1
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %7 = tail call noundef i64 @_ZN9__gnu_cxxmiIPhSt6vectorIhSaIhEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %1) #5
  %8 = icmp slt i64 %7, 2
  br i1 %8, label %9, label %10

9:                                                ; preds = %3
  tail call void (ptr, ...) @_ZN4ROHC5errorEPKcz(ptr noundef nonnull @.str.19)
  br label %36

10:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %11 = tail call ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #5
  store ptr %11, ptr %5, align 8
  %12 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  %13 = load i8, ptr %12, align 1, !tbaa !5
  store i8 %13, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %14 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #5
  store ptr %14, ptr %6, align 8
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  %16 = load i8, ptr %15, align 1, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %4, i64 1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %18 = and i8 %16, 127
  %19 = and i8 %16, -128
  store i8 %19, ptr %17, align 1, !tbaa !5
  %20 = getelementptr inbounds i8, ptr %4, i64 2
  %21 = call noundef zeroext i8 @_ZN4ROHC4CRC7EPKhS1_(ptr noundef nonnull %4, ptr noundef nonnull %20)
  %.not = icmp eq i8 %18, %21
  br i1 %.not, label %23, label %22

22:                                               ; preds = %10
  call void (ptr, ...) @_ZN4ROHC5errorEPKcz(ptr noundef nonnull @.str.20)
  call void @_ZN4ROHC8DProfile8SendNackEv(ptr noundef nonnull align 8 dereferenceable(92) %0)
  br label %35

23:                                               ; preds = %10
  %24 = load i8, ptr %4, align 1, !tbaa !5
  %25 = shl i8 %24, 1
  %26 = and i8 %25, 30
  %27 = load i8, ptr %17, align 1, !tbaa !5
  %28 = lshr i8 %27, 7
  %29 = or disjoint i8 %26, %28
  %30 = zext nneg i8 %29 to i16
  %31 = getelementptr inbounds i8, ptr %0, i64 24
  %32 = call noundef zeroext i16 @_ZNK4ROHC8DProfile9UpdateMSNEtjRt(ptr noundef nonnull align 8 dereferenceable(92) %0, i16 noundef zeroext %30, i32 noundef 5, ptr noundef nonnull align 2 dereferenceable(2) %31)
  %33 = call noundef zeroext i1 @_ZN4ROHC11DRTPProfile24parse_inferred_scaled_tsEt(ptr noundef nonnull align 8 dereferenceable(132) %0, i16 noundef zeroext %32)
  br i1 %33, label %34, label %35

34:                                               ; preds = %23
  call void @_ZN4ROHC8DProfile31parse_inferred_sequential_ip_idEt(ptr noundef nonnull align 8 dereferenceable(92) %0, i16 noundef zeroext %32)
  br label %35

35:                                               ; preds = %34, %23, %22
  %.1 = phi i1 [ false, %22 ], [ false, %23 ], [ true, %34 ]
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %4) #5
  br label %36

36:                                               ; preds = %35, %9
  %.2 = phi i1 [ false, %9 ], [ %.1, %35 ]
  ret i1 %.2
}

declare void @_ZN4ROHC5errorEPKcz(ptr noundef, ...) local_unnamed_addr #3

declare void @_ZN4ROHC8DProfile8SendNackEv(ptr noundef nonnull align 8 dereferenceable(92)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN9__gnu_cxxmiIPhSt6vectorIhSaIhEEEENS_17__normal_iteratorIT_T0_E15difference_typeERKS8_SB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPhSt6vectorIhSaIhEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN4ROHC11DRTPProfile24parse_inferred_scaled_tsEt(ptr noundef nonnull align 8 dereferenceable(132), i16 noundef zeroext) local_unnamed_addr #2 align 2

declare noundef zeroext i16 @_ZNK4ROHC8DProfile9UpdateMSNEtjRt(ptr noundef nonnull align 8 dereferenceable(92), i16 noundef zeroext, i32 noundef, ptr noundef nonnull align 2 dereferenceable(2)) local_unnamed_addr #3

declare void @_ZN4ROHC8DProfile31parse_inferred_sequential_ip_idEt(ptr noundef nonnull align 8 dereferenceable(92), i16 noundef zeroext) local_unnamed_addr #3

declare noundef zeroext i8 @_ZN4ROHC4CRC7EPKhS1_(ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 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 = { "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 = { 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 #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: CorrelatedValuePropagationPass,DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass