; LLVM IR from glaretechnologies/substrata :: resonance-audio/resonance_audio/utils (buffer_partitioner)

; 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::allocator" = type { i8 }
%"class.vraudio::BufferPartitioner" = type { i64, i64, %"class.std::function", ptr, i64, %"class.std::vector" }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<const float *, std::allocator<const float *>>::_Vector_impl" }
%"struct.std::_Vector_base<const float *, std::allocator<const float *>>::_Vector_impl" = type { %"struct.std::_Vector_base<const float *, std::allocator<const float *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<const float *, std::allocator<const float *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7vraudio17BufferPartitionerC2EmmSt8functionIFPNS_11AudioBufferES3_EE(ptr noundef nonnull align 8 dereferenceable(88) %0, i64 noundef %1, i64 noundef %2, ptr noundef %3) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !9
  store ptr %3, ptr %8, align 8, !tbaa !5
  %12 = load ptr, ptr %5, align 8
  %13 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 0
  %14 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %14, ptr %13, align 8, !tbaa !11
  %15 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 1
  %16 = load i64, ptr %7, align 8, !tbaa !9
  store i64 %16, ptr %15, align 8, !tbaa !19
  %17 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 2
  call void @_ZNSt8functionIFPN7vraudio11AudioBufferES2_EEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef nonnull align 8 dereferenceable(32) %3) #3
  %18 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 3
  store ptr null, ptr %18, align 8, !tbaa !20
  %19 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 4
  store i64 0, ptr %19, align 8, !tbaa !21
  %20 = getelementptr inbounds %"class.vraudio::BufferPartitioner", ptr %12, i32 0, i32 5
  %21 = load i64, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  call void @_ZNSaIPKfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  invoke void @_ZNSt6vectorIPKfSaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %23

22:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  ret void

23:                                               ; preds = %4
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %10, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #3
  br label %27

27:                                               ; preds = %23
  %28 = load ptr, ptr %10, align 8
  %29 = load i32, ptr %11, align 4
  %30 = insertvalue { ptr, i32 } poison, ptr %28, 0
  %31 = insertvalue { ptr, i32 } %30, i32 %29, 1
  resume { ptr, i32 } %31
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFPN7vraudio11AudioBufferES2_EEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIPKfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPKfSaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSN7vraudio17BufferPartitionerE", !10, i64 0, !10, i64 8, !13, i64 16, !6, i64 48, !10, i64 56, !15, i64 64}
!13 = !{!"_ZTSSt8functionIFPN7vraudio11AudioBufferES2_EE", !14, i64 0, !6, i64 24}
!14 = !{!"_ZTSSt14_Function_base", !7, i64 0, !6, i64 16}
!15 = !{!"_ZTSSt6vectorIPKfSaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseIPKfSaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseIPKfSaIS1_EE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseIPKfSaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!19 = !{!12, !10, i64 8}
!20 = !{!12, !6, i64 48}
!21 = !{!12, !10, i64 56}


; 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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7vraudio17BufferPartitionerC2EmmSt8functionIFPNS_11AudioBufferES3_EE(ptr noundef nonnull align 8 dereferenceable(88) %0, i64 noundef %1, i64 noundef %2, ptr noundef nonnull %3) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::allocator", align 1
  store i64 %1, ptr %0, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 %2, ptr %6, align 8, !tbaa !17
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZNSt8functionIFPN7vraudio11AudioBufferES2_EEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 48
  %9 = getelementptr inbounds i8, ptr %0, i64 64
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %8, i8 0, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIPKfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIPKfSaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %1, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %10 unwind label %11

10:                                               ; preds = %4
  call void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  ret void

11:                                               ; preds = %4
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  resume { ptr, i32 } %12
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt8functionIFPN7vraudio11AudioBufferES2_EEC2EOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIPKfEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPKfSaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIPKfED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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 = { 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { 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, !7, i64 0}
!6 = !{!"_ZTSN7vraudio17BufferPartitionerE", !7, i64 0, !7, i64 8, !10, i64 16, !12, i64 48, !7, i64 56, !13, i64 64}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt8functionIFPN7vraudio11AudioBufferES2_EE", !11, i64 0, !12, i64 24}
!11 = !{!"_ZTSSt14_Function_base", !8, i64 0, !12, i64 16}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"_ZTSSt6vectorIPKfSaIS1_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIPKfSaIS1_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPKfSaIS1_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIPKfSaIS1_EE17_Vector_impl_dataE", !12, i64 0, !12, i64 8, !12, i64 16}
!17 = !{!6, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass