; LLVM IR from weicao/cascadb :: src/db (db_impl)

; 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"

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7cascadb6DBImpl4initEv(ptr noundef nonnull align 8 dereferenceable(176)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7cascadb2DB4openERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(101) %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %10 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 176) #5
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  invoke void @_ZN7cascadb6DBImplC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(176) %10, ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull align 8 dereferenceable(101) %12)
          to label %13 unwind label %24

13:                                               ; preds = %2
  store ptr %10, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call noundef zeroext i1 @_ZN7cascadb6DBImpl4initEv(ptr noundef nonnull align 8 dereferenceable(176) %14)
  br i1 %15, label %28, label %16

16:                                               ; preds = %13
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %23, label %19

19:                                               ; preds = %16
  %20 = load ptr, ptr %17, align 8, !tbaa !9
  %21 = getelementptr inbounds ptr, ptr %20, i64 1
  %22 = load ptr, ptr %21, align 8
  call void %22(ptr noundef nonnull align 8 dereferenceable(176) %17) #4
  br label %23

23:                                               ; preds = %19, %16
  store ptr null, ptr %3, align 8
  store i32 1, ptr %9, align 4
  br label %30

24:                                               ; preds = %2
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %7, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %8, align 4
  call void @_ZdlPvm(ptr noundef %10, i64 noundef 176) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %32

28:                                               ; preds = %13
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %29, ptr %3, align 8
  store i32 1, ptr %9, align 4
  br label %30

30:                                               ; preds = %28, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %31 = load ptr, ptr %3, align 8
  ret ptr %31

32:                                               ; preds = %24
  %33 = load ptr, ptr %7, align 8
  %34 = load i32, ptr %8, align 4
  %35 = insertvalue { ptr, i32 } poison, ptr %33, 0
  %36 = insertvalue { ptr, i32 } %35, i32 %34, 1
  resume { ptr, i32 } %36
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cascadb6DBImplC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(176), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(101)) unnamed_addr #1 align 2

attributes #0 = { nobuiltin nounwind "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nobuiltin allocsize(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 }
attributes #5 = { builtin allocsize(0) }
attributes #6 = { builtin 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 = !{!"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"

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7cascadb6DBImpl4initEv(ptr noundef nonnull align 8 dereferenceable(176)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN7cascadb2DB4openERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(101) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef nonnull dereferenceable(176) ptr @_Znwm(i64 noundef 176) #3
  invoke void @_ZN7cascadb6DBImplC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(176) %3, ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(101) %1)
          to label %4 unwind label %10

4:                                                ; preds = %2
  %5 = tail call noundef zeroext i1 @_ZN7cascadb6DBImpl4initEv(ptr noundef nonnull align 8 dereferenceable(176) %3)
  br i1 %5, label %12, label %6

6:                                                ; preds = %4
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 8
  %9 = load ptr, ptr %8, align 8
  tail call void %9(ptr noundef nonnull align 8 dereferenceable(176) %3) #4
  br label %12

10:                                               ; preds = %2
  %11 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %3, i64 noundef 176) #5
  resume { ptr, i32 } %11

12:                                               ; preds = %4, %6
  %.0 = phi ptr [ null, %6 ], [ %3, %4 ]
  ret ptr %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7cascadb6DBImplC2ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKNS_7OptionsE(ptr noundef nonnull align 8 dereferenceable(176), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(101)) unnamed_addr #1 align 2

attributes #0 = { nobuiltin nounwind "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 = { nobuiltin allocsize(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 = { builtin allocsize(0) }
attributes #4 = { nounwind }
attributes #5 = { builtin 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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