; LLVM IR from Dimandragon/non-parametric-dsp :: alglib-cpp/src (ap)

; 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"

%"struct.alglib_impl::ae_vector" = type { i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.0 }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%union.anon.0 = type { ptr }
%"struct.alglib_impl::ae_serializer" = type { i64, i64, i64, i64, i64, ptr, ptr, ptr, i64, ptr, ptr }

; 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
define dso_local void @_ZN11alglib_impl30ae_serializer_alloc_byte_arrayEPNS_13ae_serializerEPKNS_9ae_vectorE(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %6, i32 0, i32 0
  %8 = load i64, ptr %7, align 8, !tbaa !9
  store i64 %8, ptr %5, align 8, !tbaa !14
  %9 = load i64, ptr %5, align 8, !tbaa !14
  %10 = sdiv i64 %9, 8
  %11 = load i64, ptr %5, align 8, !tbaa !14
  %12 = srem i64 %11, 8
  %13 = icmp sgt i64 %12, 0
  %14 = zext i1 %13 to i64
  %15 = select i1 %13, i32 1, i32 0
  %16 = sext i32 %15 to i64
  %17 = add nsw i64 %10, %16
  store i64 %17, ptr %5, align 8, !tbaa !14
  %18 = load i64, ptr %5, align 8, !tbaa !14
  %19 = add nsw i64 1, %18
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %"struct.alglib_impl::ae_serializer", ptr %20, i32 0, i32 1
  %22 = load i64, ptr %21, align 8, !tbaa !15
  %23 = add nsw i64 %22, %19
  store i64 %23, ptr %21, align 8, !tbaa !15
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret void
}

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 = { 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 = !{!"_ZTSN11alglib_impl9ae_vectorE", !11, i64 0, !11, i64 8, !12, i64 16, !13, i64 24, !7, i64 56}
!11 = !{!"long", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!14 = !{!11, !11, i64 0}
!15 = !{!16, !11, i64 8}
!16 = !{!"_ZTSN11alglib_impl13ae_serializerE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !11, i64 64, !6, i64 72, !6, i64 80}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN11alglib_impl30ae_serializer_alloc_byte_arrayEPNS_13ae_serializerEPKNS_9ae_vectorE(ptr nocapture noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = sdiv i64 %3, 8
  %5 = and i64 %3, -9223372036854775801
  %6 = icmp sgt i64 %5, 0
  %7 = zext i1 %6 to i64
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load i64, ptr %8, align 8, !tbaa !13
  %10 = add nsw i64 %4, 1
  %11 = add i64 %10, %9
  %12 = add i64 %11, %7
  store i64 %12, ptr %8, align 8, !tbaa !13
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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" }

!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 = !{!"_ZTSN11alglib_impl9ae_vectorE", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24, !8, i64 56}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !12, i64 0, !12, i64 8, !12, i64 16, !12, i64 24}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!14, !7, i64 8}
!14 = !{!"_ZTSN11alglib_impl13ae_serializerE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !12, i64 40, !12, i64 48, !12, i64 56, !7, i64 64, !12, i64 72, !12, i64 80}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass