; LLVM IR from sp-nitech/SPTK :: src/conversion/spectrum_to_spectrum.ll (ZN4sptk18SpectrumToSpectrumD2Ev)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.sptk::SpectrumToSpectrum" = type <{ ptr, i32, i32, i32, [4 x i8], double, double, %"class.std::vector", i8, [7 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<sptk::SpectrumToSpectrum::OperationInterface *, std::allocator<sptk::SpectrumToSpectrum::OperationInterface *>>::_Vector_impl" }
%"struct.std::_Vector_base<sptk::SpectrumToSpectrum::OperationInterface *, std::allocator<sptk::SpectrumToSpectrum::OperationInterface *>>::_Vector_impl" = type { %"struct.std::_Vector_base<sptk::SpectrumToSpectrum::OperationInterface *, std::allocator<sptk::SpectrumToSpectrum::OperationInterface *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<sptk::SpectrumToSpectrum::OperationInterface *, std::allocator<sptk::SpectrumToSpectrum::OperationInterface *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZTVN4sptk18SpectrumToSpectrumE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4sptk18SpectrumToSpectrumD2Ev(ptr noundef nonnull align 8 dereferenceable(65) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 16) ({ [4 x ptr] }, ptr @_ZTVN4sptk18SpectrumToSpectrumE, i32 0, i32 0, i32 2), ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %6 = getelementptr inbounds %"class.sptk::SpectrumToSpectrum", ptr %5, i32 0, i32 7
  %7 = call ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %8 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %3, i32 0, i32 0
  store ptr %7, ptr %8, align 8
  br label %9

9:                                                ; preds = %24, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %10 = getelementptr inbounds %"class.sptk::SpectrumToSpectrum", ptr %5, i32 0, i32 7
  %11 = call ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  %12 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %4, i32 0, i32 0
  store ptr %11, ptr %12, align 8
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %26

15:                                               ; preds = %9
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %23, label %19

19:                                               ; preds = %15
  %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(8) %17) #3
  br label %23

23:                                               ; preds = %19, %15
  br label %24

24:                                               ; preds = %23
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  br label %9, !llvm.loop !11

26:                                               ; preds = %14
  %27 = getelementptr inbounds %"class.sptk::SpectrumToSpectrum", ptr %5, i32 0, i32 7
  call void @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #3
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 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 = { inlinehint 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 #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 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZTVN4sptk18SpectrumToSpectrumE = external dso_local unnamed_addr constant { [4 x ptr] }, align 8

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN4sptk18SpectrumToSpectrumD2Ev(ptr noundef nonnull align 8 dereferenceable(65) %0) unnamed_addr #1 align 2 {
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr getelementptr inbounds inrange(-16, 16) (i8, ptr @_ZTVN4sptk18SpectrumToSpectrumE, i64 16), ptr %0, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 40
  %5 = tail call ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %5, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %6 = tail call ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %6, ptr %3, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %15, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  call void @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  ret void

.lr.ph:                                           ; preds = %1, %15
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  %9 = load ptr, ptr %8, align 8, !tbaa !8
  %10 = icmp eq ptr %9, null
  br i1 %10, label %15, label %11

11:                                               ; preds = %.lr.ph
  %12 = load ptr, ptr %9, align 8, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %12, i64 8
  %14 = load ptr, ptr %13, align 8
  call void %14(ptr noundef nonnull align 8 dereferenceable(8) %9) #3
  br label %15

15:                                               ; preds = %.lr.ph, %11
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %17 = call ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  store ptr %17, ptr %3, align 8
  %18 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEEbRKNS_17__normal_iteratorIT_T0_EESE_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIPN4sptk18SpectrumToSpectrum18OperationInterfaceESaIS3_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPPN4sptk18SpectrumToSpectrum18OperationInterfaceESt6vectorIS4_SaIS4_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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 = { inlinehint 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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