; LLVM IR from KoishiDB/Koishi-DB :: src/network/parser.ll (ZN8koishidb6Parser9parse_allESt10shared_ptrINS_10connectionEEi)

; 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.koishidb::connection" = type { %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", %"class.std::unique_ptr" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }
%"class.koishidb::request" = type { i32, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string" }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; 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
define dso_local void @_ZN8koishidb6Parser9parse_allESt10shared_ptrINS_10connectionEEi(ptr noundef %0, i32 noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %10 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #3
  %11 = getelementptr inbounds %"class.koishidb::connection", ptr %10, i32 0, i32 0
  store ptr %11, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %12 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #3
  %13 = getelementptr inbounds %"class.koishidb::connection", ptr %12, i32 0, i32 2
  %14 = call noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #3
  %15 = getelementptr inbounds %"class.koishidb::request", ptr %14, i32 0, i32 0
  store ptr %15, ptr %6, align 8, !tbaa !5
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %16, i64 noundef 0)
  %18 = load i8, ptr %17, align 1, !tbaa !11
  %19 = sext i8 %18 to i32
  %20 = sub nsw i32 %19, 48
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 %20, ptr %21, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 3, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  store i8 0, ptr %8, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %22 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %22, ptr %9, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %68, %2
  %24 = load i32, ptr %9, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %26) #3
  %28 = icmp ult i64 %25, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %71

30:                                               ; preds = %23
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %31, i64 noundef %33)
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = sext i8 %35 to i32
  %37 = icmp ne i32 %36, 13
  br i1 %37, label %38, label %64

38:                                               ; preds = %30
  %39 = load i8, ptr %8, align 1, !tbaa !12, !range !14, !noundef !15
  %40 = trunc i8 %39 to i1
  %41 = zext i1 %40 to i32
  %42 = icmp eq i32 %41, 0
  br i1 %42, label %43, label %53

43:                                               ; preds = %38
  %44 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #3
  %45 = getelementptr inbounds %"class.koishidb::connection", ptr %44, i32 0, i32 2
  %46 = call noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %45) #3
  %47 = getelementptr inbounds %"class.koishidb::request", ptr %46, i32 0, i32 1
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = load i32, ptr %9, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %48, i64 noundef %50)
  %52 = load i8, ptr %51, align 1, !tbaa !11
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %47, i8 noundef signext %52)
  br label %63

53:                                               ; preds = %38
  %54 = call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #3
  %55 = getelementptr inbounds %"class.koishidb::connection", ptr %54, i32 0, i32 2
  %56 = call noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %55) #3
  %57 = getelementptr inbounds %"class.koishidb::request", ptr %56, i32 0, i32 2
  %58 = load ptr, ptr %5, align 8, !tbaa !5
  %59 = load i32, ptr %9, align 4, !tbaa !9
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %58, i64 noundef %60)
  %62 = load i8, ptr %61, align 1, !tbaa !11
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %57, i8 noundef signext %62)
  br label %63

63:                                               ; preds = %53, %43
  br label %67

64:                                               ; preds = %30
  store i8 1, ptr %8, align 1, !tbaa !12
  %65 = load i32, ptr %9, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %9, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %64, %63
  br label %68

68:                                               ; preds = %67
  %69 = load i32, ptr %9, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  store i32 %70, ptr %9, align 4, !tbaa !9
  br label %23, !llvm.loop !16

71:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #2 align 2

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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !17}
!17 = !{!"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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8koishidb6Parser9parse_allESt10shared_ptrINS_10connectionEEi(ptr noundef nonnull %0, i32 noundef %1) local_unnamed_addr #1 align 2 {
  %3 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #2
  %4 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #2
  %5 = getelementptr inbounds i8, ptr %4, i64 64
  %6 = tail call noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #2
  %7 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef 0)
  %8 = load i8, ptr %7, align 1, !tbaa !5
  %9 = sext i8 %8 to i32
  %10 = add nsw i32 %9, -48
  store i32 %10, ptr %6, align 4, !tbaa !8
  %11 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %12 = icmp ugt i64 %11, 3
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %30, %2
  ret void

.lr.ph:                                           ; preds = %2, %30
  %13 = phi i64 [ %32, %30 ], [ 3, %2 ]
  %.017 = phi i32 [ %31, %30 ], [ 3, %2 ]
  %.01316 = phi i8 [ %.114, %30 ], [ 0, %2 ]
  %14 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %13)
  %15 = load i8, ptr %14, align 1, !tbaa !5
  %.not = icmp eq i8 %15, 13
  br i1 %.not, label %28, label %16

16:                                               ; preds = %.lr.ph
  %17 = and i8 %.01316, 1
  %18 = icmp eq i8 %17, 0
  %19 = tail call noundef ptr @_ZNKSt19__shared_ptr_accessIN8koishidb10connectionELN9__gnu_cxx12_Lock_policyE2ELb0ELb0EEptEv(ptr noundef nonnull align 1 dereferenceable(1) %0) #2
  %20 = getelementptr inbounds i8, ptr %19, i64 64
  %21 = tail call noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #2
  %22 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %13)
  %23 = load i8, ptr %22, align 1, !tbaa !5
  br i1 %18, label %24, label %26

24:                                               ; preds = %16
  %25 = getelementptr inbounds i8, ptr %21, i64 8
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %25, i8 noundef signext %23)
  br label %30

26:                                               ; preds = %16
  %27 = getelementptr inbounds i8, ptr %21, i64 40
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32) %27, i8 noundef signext %23)
  br label %30

28:                                               ; preds = %.lr.ph
  %29 = add nsw i32 %.017, 1
  br label %30

30:                                               ; preds = %28, %26, %24
  %.114 = phi i8 [ %.01316, %24 ], [ %.01316, %26 ], [ 1, %28 ]
  %.1 = phi i32 [ %.017, %24 ], [ %.017, %26 ], [ %29, %28 ]
  %31 = add nsw i32 %.1, 1
  %32 = sext i32 %31 to i64
  %33 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #2
  %34 = icmp ugt i64 %33, %32
  br i1 %34, label %.lr.ph, label %._crit_edge, !llvm.loop !10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN8koishidb7requestESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE9push_backEc(ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #1 align 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 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 = { 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"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass