; LLVM IR from gvinciguerra/PGM-index :: c-interface (cpgm)

; 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.pgm::DynamicPGMIndex<int, int>::Iterator" = type { ptr, %"struct.pgm::DynamicPGMIndex<int, int>::Iterator::Cursor", i8, i8, %"class.pgm::internal::LoserTree", %"class.std::vector.41" }
%"struct.pgm::DynamicPGMIndex<int, int>::Iterator::Cursor" = type { i8, %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.pgm::internal::LoserTree" = type { i8, %"class.std::vector.36" }
%"class.std::vector.36" = type { %"struct.std::_Vector_base.37" }
%"struct.std::_Vector_base.37" = type { %"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl" }
%"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl" = type { %"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl_data" }
%"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.41" = type { %"struct.std::_Vector_base.42" }
%"struct.std::_Vector_base.42" = type { %"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl" }
%"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl" = type { %"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl_data" }
%"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local ptr @dynamic_pgm_index_int32_lower_bound(ptr noundef %0, i32 noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %7 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 88) #3
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  invoke void @_ZNK3pgm15DynamicPGMIndexIiiNS_8PGMIndexIiLm16ELm4EfEEE11lower_boundERKi(ptr dead_on_unwind writable sret(%"class.pgm::DynamicPGMIndex<int, int>::Iterator") align 8 %7, ptr noundef nonnull align 8 dereferenceable(72) %8, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %9 unwind label %10

9:                                                ; preds = %2
  ret ptr %7

10:                                               ; preds = %2
  %11 = landingpad { ptr, i32 }
          cleanup
  %12 = extractvalue { ptr, i32 } %11, 0
  store ptr %12, ptr %5, align 8
  %13 = extractvalue { ptr, i32 } %11, 1
  store i32 %13, ptr %6, align 4
  call void @_ZdlPvm(ptr noundef %7, i64 noundef 88) #4
  br label %14

14:                                               ; preds = %10
  %15 = load ptr, ptr %5, align 8
  %16 = load i32, ptr %6, align 4
  %17 = insertvalue { ptr, i32 } poison, ptr %15, 0
  %18 = insertvalue { ptr, i32 } %17, i32 %16, 1
  resume { ptr, i32 } %18
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK3pgm15DynamicPGMIndexIiiNS_8PGMIndexIiLm16ELm4EfEEE11lower_boundERKi(ptr dead_on_unwind noalias writable sret(%"class.pgm::DynamicPGMIndex<int, int>::Iterator") align 8, ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

attributes #0 = { 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 #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 = { 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 = { builtin allocsize(0) }
attributes #4 = { 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, !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"

%"class.pgm::DynamicPGMIndex<int, int>::Iterator" = type { ptr, %"struct.pgm::DynamicPGMIndex<int, int>::Iterator::Cursor", i8, i8, %"class.pgm::internal::LoserTree", %"class.std::vector.41" }
%"struct.pgm::DynamicPGMIndex<int, int>::Iterator::Cursor" = type { i8, %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.pgm::internal::LoserTree" = type { i8, %"class.std::vector.36" }
%"class.std::vector.36" = type { %"struct.std::_Vector_base.37" }
%"struct.std::_Vector_base.37" = type { %"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl" }
%"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl" = type { %"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl_data" }
%"struct.std::_Vector_base<pgm::internal::LoserTree<int>::Loser, std::allocator<pgm::internal::LoserTree<int>::Loser>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.41" = type { %"struct.std::_Vector_base.42" }
%"struct.std::_Vector_base.42" = type { %"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl" }
%"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl" = type { %"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl_data" }
%"struct.std::_Vector_base<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor, std::allocator<pgm::DynamicPGMIndex<int, int>::Iterator::Cursor>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull ptr @dynamic_pgm_index_int32_lower_bound(ptr noundef %0, i32 noundef %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  store i32 %1, ptr %3, align 4, !tbaa !5
  %4 = tail call noalias noundef nonnull dereferenceable(88) ptr @_Znwm(i64 noundef 88) #3
  invoke void @_ZNK3pgm15DynamicPGMIndexIiiNS_8PGMIndexIiLm16ELm4EfEEE11lower_boundERKi(ptr dead_on_unwind nonnull writable sret(%"class.pgm::DynamicPGMIndex<int, int>::Iterator") align 8 %4, ptr noundef nonnull align 8 dereferenceable(72) %0, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %5 unwind label %6

5:                                                ; preds = %2
  ret ptr %4

6:                                                ; preds = %2
  %7 = landingpad { ptr, i32 }
          cleanup
  call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 88) #4
  resume { ptr, i32 } %7
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK3pgm15DynamicPGMIndexIiiNS_8PGMIndexIiLm16ELm4EfEEE11lower_boundERKi(ptr dead_on_unwind noalias writable sret(%"class.pgm::DynamicPGMIndex<int, int>::Iterator") align 8, ptr noundef nonnull align 8 dereferenceable(72), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

attributes #0 = { 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 #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 = { 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 = { builtin allocsize(0) }
attributes #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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