; LLVM IR from yangfengzzz/Arche-webgpu :: vox.geometry/volume_grid_emitter2.ll (ZNK3vox18VolumeGridEmitter27Builder10makeSharedEv)

; 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.std::shared_ptr.64" = type { %"class.std::__shared_ptr.65" }
%"class.std::__shared_ptr.65" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%class.anon.67 = type { i8 }
%"class.vox::VolumeGridEmitter2::Builder" = type <{ %"class.std::shared_ptr", i8, [7 x i8] }>

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10shared_ptrIN3vox16ImplicitSurface2EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3vox18VolumeGridEmitter27Builder10makeSharedEv(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.64") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::shared_ptr", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i1, align 1
  %9 = alloca %class.anon.67, align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %10 = load ptr, ptr %4, align 8
  %11 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 120) #4
  store i1 true, ptr %8, align 1
  %12 = getelementptr inbounds %"class.vox::VolumeGridEmitter2::Builder", ptr %10, i32 0, i32 0
  call void @_ZNSt10shared_ptrIN3vox16ImplicitSurface2EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(16) %12) #5
  %13 = getelementptr inbounds %"class.vox::VolumeGridEmitter2::Builder", ptr %10, i32 0, i32 1
  %14 = load i8, ptr %13, align 8, !tbaa !9, !range !15, !noundef !16
  %15 = trunc i8 %14 to i1
  invoke void @_ZN3vox18VolumeGridEmitter2C1ESt10shared_ptrINS_16ImplicitSurface2EEb(ptr noundef nonnull align 8 dereferenceable(120) %11, ptr noundef %5, i1 noundef zeroext %15)
          to label %16 unwind label %18

16:                                               ; preds = %2
  store i1 false, ptr %8, align 1
  invoke void @"_ZNSt10shared_ptrIN3vox18VolumeGridEmitter2EEC2IS1_ZNKS1_7Builder10makeSharedEvE3$_0vEEPT_T0_"(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %11)
          to label %17 unwind label %18

17:                                               ; preds = %16
  call void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #5
  ret void

18:                                               ; preds = %16, %2
  %19 = landingpad { ptr, i32 }
          cleanup
  %20 = extractvalue { ptr, i32 } %19, 0
  store ptr %20, ptr %6, align 8
  %21 = extractvalue { ptr, i32 } %19, 1
  store i32 %21, ptr %7, align 4
  call void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %5) #5
  %22 = load i1, ptr %8, align 1
  br i1 %22, label %23, label %24

23:                                               ; preds = %18
  call void @_ZdlPvm(ptr noundef %11, i64 noundef 120) #6
  br label %24

24:                                               ; preds = %23, %18
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr %6, align 8
  %27 = load i32, ptr %7, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

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

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNSt10shared_ptrIN3vox18VolumeGridEmitter2EEC2IS1_ZNKS1_7Builder10makeSharedEvE3$_0vEEPT_T0_"(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

declare void @_ZN3vox18VolumeGridEmitter2C1ESt10shared_ptrINS_16ImplicitSurface2EEb(ptr, ptr, i1)

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 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 = { 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 = { builtin allocsize(0) }
attributes #5 = { nounwind }
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, !14, i64 16}
!10 = !{!"_ZTSN3vox18VolumeGridEmitter27BuilderE", !11, i64 0, !14, i64 16}
!11 = !{!"_ZTSSt10shared_ptrIN3vox16ImplicitSurface2EE", !12, i64 0}
!12 = !{!"_ZTSSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0, !13, i64 8}
!13 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !6, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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.std::shared_ptr.64" = type { %"class.std::__shared_ptr.65" }
%"class.std::__shared_ptr.65" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt10shared_ptrIN3vox16ImplicitSurface2EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3vox18VolumeGridEmitter27Builder10makeSharedEv(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.64") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::shared_ptr", align 8
  %4 = tail call noalias noundef nonnull dereferenceable(120) ptr @_Znwm(i64 noundef 120) #4
  call void @_ZNSt10shared_ptrIN3vox16ImplicitSurface2EEC2ERKS2_(ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %1) #5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load i8, ptr %5, align 8, !tbaa !5, !range !14, !noundef !15
  %7 = trunc nuw i8 %6 to i1
  invoke void @_ZN3vox18VolumeGridEmitter2C1ESt10shared_ptrINS_16ImplicitSurface2EEb(ptr noundef nonnull align 8 dereferenceable(120) %4, ptr noundef nonnull %3, i1 noundef zeroext %7)
          to label %8 unwind label %12

8:                                                ; preds = %2
  invoke void @"_ZNSt10shared_ptrIN3vox18VolumeGridEmitter2EEC2IS1_ZNKS1_7Builder10makeSharedEvE3$_0vEEPT_T0_"(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull %4)
          to label %9 unwind label %10

9:                                                ; preds = %8
  call void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #5
  ret void

10:                                               ; preds = %8
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #5
  br label %14

12:                                               ; preds = %2
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #5
  call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 120) #6
  br label %14

14:                                               ; preds = %10, %12
  %15 = phi { ptr, i32 } [ %11, %10 ], [ %13, %12 ]
  resume { ptr, i32 } %15
}

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

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNSt10shared_ptrIN3vox18VolumeGridEmitter2EEC2IS1_ZNKS1_7Builder10makeSharedEvE3$_0vEEPT_T0_"(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

declare void @_ZN3vox18VolumeGridEmitter2C1ESt10shared_ptrINS_16ImplicitSurface2EEb(ptr, ptr, i1) local_unnamed_addr

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 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 = { 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 = { builtin allocsize(0) }
attributes #5 = { nounwind }
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, !13, i64 16}
!6 = !{!"_ZTSN3vox18VolumeGridEmitter27BuilderE", !7, i64 0, !13, i64 16}
!7 = !{!"_ZTSSt10shared_ptrIN3vox16ImplicitSurface2EE", !8, i64 0}
!8 = !{!"_ZTSSt12__shared_ptrIN3vox16ImplicitSurface2ELN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0, !12, i64 8}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0}
!13 = !{!"bool", !10, i64 0}
!14 = !{i8 0, i8 2}
!15 = !{}


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