; LLVM IR from venumb/ZSPACE :: cpp/depends/alglib/cpp/src (alglibinternal)

; 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 }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%union.anon = type { 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_impl12swapelementsEPNS_9ae_vectorEllPNS_8ae_stateE(ptr noundef %0, i64 noundef %1, i64 noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca double, align 8
  %10 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #2
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = load i64, ptr %7, align 8, !tbaa !9
  %13 = icmp eq i64 %11, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %4
  store i32 1, ptr %10, align 4
  br label %39

15:                                               ; preds = %4
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %16, i32 0, i32 4
  %18 = load ptr, ptr %17, align 8, !tbaa !11
  %19 = load i64, ptr %6, align 8, !tbaa !9
  %20 = getelementptr inbounds double, ptr %18, i64 %19
  %21 = load double, ptr %20, align 8, !tbaa !12
  store double %21, ptr %9, align 8, !tbaa !12
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %22, i32 0, i32 4
  %24 = load ptr, ptr %23, align 8, !tbaa !11
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = getelementptr inbounds double, ptr %24, i64 %25
  %27 = load double, ptr %26, align 8, !tbaa !12
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %28, i32 0, i32 4
  %30 = load ptr, ptr %29, align 8, !tbaa !11
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = getelementptr inbounds double, ptr %30, i64 %31
  store double %27, ptr %32, align 8, !tbaa !12
  %33 = load double, ptr %9, align 8, !tbaa !12
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %34, i32 0, i32 4
  %36 = load ptr, ptr %35, align 8, !tbaa !11
  %37 = load i64, ptr %7, align 8, !tbaa !9
  %38 = getelementptr inbounds double, ptr %36, i64 %37
  store double %33, ptr %38, align 8, !tbaa !12
  store i32 0, ptr %10, align 4
  br label %39

39:                                               ; preds = %15, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #2
  %40 = load i32, ptr %10, align 4
  switch i32 %40, label %42 [
    i32 0, label %41
    i32 1, label %41
  ]

41:                                               ; preds = %39, %39
  ret void

42:                                               ; preds = %39
  unreachable
}

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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @_ZN11alglib_impl12swapelementsEPNS_9ae_vectorEllPNS_8ae_stateE(ptr nocapture noundef readonly %0, i64 noundef %1, i64 noundef %2, ptr nocapture noundef readnone %3) local_unnamed_addr #0 {
  %5 = icmp eq i64 %1, %2
  br i1 %5, label %15, label %6

6:                                                ; preds = %4
  %7 = getelementptr inbounds i8, ptr %0, i64 56
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %9 = getelementptr inbounds double, ptr %8, i64 %1
  %10 = load double, ptr %9, align 8, !tbaa !8
  %11 = getelementptr inbounds double, ptr %8, i64 %2
  %12 = load double, ptr %11, align 8, !tbaa !8
  store double %12, ptr %9, align 8, !tbaa !8
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = getelementptr inbounds double, ptr %13, i64 %2
  store double %10, ptr %14, align 8, !tbaa !8
  br label %15

15:                                               ; preds = %4, %6
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) 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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"double", !6, i64 0}


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