; LLVM IR from CMU-CBML/NeuronTransportIGA :: spline_src/BSplineBasis.ll (ZN12BSplineBasisC2Ev)

; 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.BSplineBasis = type { i32, i32, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN12BSplineBasisC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca [5 x double], align 16
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  %7 = getelementptr inbounds %class.BSplineBasis, ptr %6, i32 0, i32 2
  call void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  %8 = getelementptr inbounds %class.BSplineBasis, ptr %6, i32 0, i32 0
  store i32 3, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds %class.BSplineBasis, ptr %6, i32 0, i32 1
  store i32 1, ptr %9, align 4, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 40, ptr %3) #4
  call void @llvm.memset.p0.i64(ptr align 16 %3, i8 0, i64 40, i1 false)
  %10 = getelementptr inbounds [5 x double], ptr %3, i32 0, i32 1
  store double 1.000000e+00, ptr %10, align 8
  %11 = getelementptr inbounds [5 x double], ptr %3, i32 0, i32 2
  store double 2.000000e+00, ptr %11, align 16
  %12 = getelementptr inbounds [5 x double], ptr %3, i32 0, i32 3
  store double 3.000000e+00, ptr %12, align 8
  %13 = getelementptr inbounds [5 x double], ptr %3, i32 0, i32 4
  store double 4.000000e+00, ptr %13, align 16
  %14 = getelementptr inbounds %class.BSplineBasis, ptr %6, i32 0, i32 2
  %15 = getelementptr inbounds [5 x double], ptr %3, i64 0, i64 0
  %16 = getelementptr inbounds [5 x double], ptr %3, i64 0, i64 0
  %17 = getelementptr inbounds double, ptr %16, i64 5
  invoke void @_ZNSt6vectorIdSaIdEE6assignIPdvEEvT_S4_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef %15, ptr noundef %17)
          to label %18 unwind label %19

18:                                               ; preds = %1
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #4
  ret void

19:                                               ; preds = %1
  %20 = landingpad { ptr, i32 }
          cleanup
  %21 = extractvalue { ptr, i32 } %20, 0
  store ptr %21, ptr %4, align 8
  %22 = extractvalue { ptr, i32 } %20, 1
  store i32 %22, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 40, ptr %3) #4
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  br label %23

23:                                               ; preds = %19
  %24 = load ptr, ptr %4, align 8
  %25 = load i32, ptr %5, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6assignIPdvEEvT_S4_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef, ptr noundef) #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 @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTS12BSplineBasis", !11, i64 0, !11, i64 4, !12, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!10, !11, i64 4}


; 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: mustprogress uwtable
define dso_local void @_ZN12BSplineBasisC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca [5 x double], align 16
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  store i32 3, ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 1, ptr %4, align 4, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %2) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(40) %2, i8 0, i64 16, i1 false)
  %5 = getelementptr inbounds i8, ptr %2, i64 8
  store <2 x double> <double 1.000000e+00, double 2.000000e+00>, ptr %5, align 8
  %6 = getelementptr inbounds i8, ptr %2, i64 24
  store <2 x double> <double 3.000000e+00, double 4.000000e+00>, ptr %6, align 8
  %7 = getelementptr inbounds i8, ptr %2, i64 40
  invoke void @_ZNSt6vectorIdSaIdEE6assignIPdvEEvT_S4_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull %2, ptr noundef nonnull %7)
          to label %8 unwind label %9

8:                                                ; preds = %1
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %2) #4
  ret void

9:                                                ; preds = %1
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %2) #4
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  resume { ptr, i32 } %10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE6assignIPdvEEvT_S4_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef, ptr noundef) local_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 @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress 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 = !{!"_ZTS12BSplineBasis", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIdSaIdEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = !{!6, !7, i64 4}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass,TailCallElimPass