; LLVM IR from ral99/knuckleball :: src (server)

; 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"

@_ZN6Server9_instanceE = external dso_local global ptr, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN6Server12get_instanceERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #0 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %9 = load ptr, ptr @_ZN6Server9_instanceE, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %12, label %11

11:                                               ; preds = %3
  call void @_ZN6ServerD1Ev(ptr noundef nonnull align 8 dereferenceable(240) %9) #3
  call void @_ZdlPvm(ptr noundef %9, i64 noundef 240) #4
  br label %12

12:                                               ; preds = %11, %3
  %13 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 240) #5
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  invoke void @_ZN6ServerC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr noundef nonnull align 8 dereferenceable(240) %13, ptr noundef nonnull align 8 dereferenceable(32) %14, i32 noundef %15, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %17 unwind label %19

17:                                               ; preds = %12
  store ptr %13, ptr @_ZN6Server9_instanceE, align 8, !tbaa !5
  %18 = load ptr, ptr @_ZN6Server9_instanceE, align 8, !tbaa !5
  ret ptr %18

19:                                               ; preds = %12
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %7, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %8, align 4
  call void @_ZdlPvm(ptr noundef %13, i64 noundef 240) #4
  br label %23

23:                                               ; preds = %19
  %24 = load ptr, ptr %7, align 8
  %25 = load i32, ptr %8, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

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

declare void @_ZN6ServerC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr, ptr, i32, ptr)

declare void @_ZN6ServerD1Ev(ptr)

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 = { 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 #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 = { nounwind }
attributes #4 = { builtin nounwind }
attributes #5 = { builtin allocsize(0) }

!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}


; 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"

@_ZN6Server9_instanceE = external dso_local local_unnamed_addr global ptr, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @_ZN6Server12get_instanceERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %4 = load ptr, ptr @_ZN6Server9_instanceE, align 8, !tbaa !5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %7, label %6

6:                                                ; preds = %3
  tail call void @_ZN6ServerD1Ev(ptr noundef nonnull align 8 dereferenceable(240) %4) #3
  tail call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 240) #4
  br label %7

7:                                                ; preds = %6, %3
  %8 = tail call noalias noundef nonnull dereferenceable(240) ptr @_Znwm(i64 noundef 240) #5
  invoke void @_ZN6ServerC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr noundef nonnull align 8 dereferenceable(240) %8, ptr noundef nonnull align 8 dereferenceable(32) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %9 unwind label %10

9:                                                ; preds = %7
  store ptr %8, ptr @_ZN6Server9_instanceE, align 8, !tbaa !5
  ret ptr %8

10:                                               ; preds = %7
  %11 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %8, i64 noundef 240) #4
  resume { ptr, i32 } %11
}

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

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

declare void @_ZN6ServerC1ERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiS7_(ptr, ptr, i32, ptr) local_unnamed_addr

declare void @_ZN6ServerD1Ev(ptr) local_unnamed_addr

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 = { 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 #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 = { nounwind }
attributes #4 = { builtin nounwind }
attributes #5 = { builtin allocsize(0) }

!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"}


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