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

; 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_frame" = type { %"struct.alglib_impl::ae_dyn_block" }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%"struct.alglib_impl::ae_matrix" = type { i64, i64, i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.1 }
%union.anon.1 = type { ptr }
%"struct.alglib_impl::ae_vector" = type { i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.0 }
%union.anon.0 = type { ptr }

@.str.269 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.270 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.271 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.272 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.273 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.274 = external hidden unnamed_addr constant [55 x i8], align 1

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

declare void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext, ptr noundef, ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN11alglib_impl18spdmatrixsolvefastEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef %0, i64 noundef %1, i1 noundef zeroext %2, ptr noundef %3, ptr noundef %4) #3 {
  %6 = alloca i1, align 1
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i8, align 1
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca %"struct.alglib_impl::ae_frame", align 8
  %13 = alloca %"struct.alglib_impl::ae_matrix", align 8
  %14 = alloca i64, align 8
  %15 = alloca i8, align 1
  %16 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i64 %1, ptr %8, align 8, !tbaa !9
  %17 = zext i1 %2 to i8
  store i8 %17, ptr %9, align 1, !tbaa !11
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #4
  %18 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef %18, ptr noundef %12)
  call void @llvm.memset.p0.i64(ptr align 8 %13, i8 0, i64 80, i1 false)
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl19ae_matrix_init_copyEPNS_9ae_matrixEPKS0_PNS_8ae_stateEb(ptr noundef %13, ptr noundef %19, ptr noundef %20, i1 noundef zeroext true)
  %21 = load i64, ptr %8, align 8, !tbaa !9
  %22 = icmp sgt i64 %21, 0
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %22, ptr noundef @.str.269, ptr noundef %23)
  %24 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %13, i32 0, i32 0
  %25 = load i64, ptr %24, align 8, !tbaa !13
  %26 = load i64, ptr %8, align 8, !tbaa !9
  %27 = icmp sge i64 %25, %26
  %28 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %27, ptr noundef @.str.270, ptr noundef %28)
  %29 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %13, i32 0, i32 1
  %30 = load i64, ptr %29, align 8, !tbaa !16
  %31 = load i64, ptr %8, align 8, !tbaa !9
  %32 = icmp sge i64 %30, %31
  %33 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %32, ptr noundef @.str.271, ptr noundef %33)
  %34 = load ptr, ptr %10, align 8, !tbaa !5
  %35 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %34, i32 0, i32 0
  %36 = load i64, ptr %35, align 8, !tbaa !17
  %37 = load i64, ptr %8, align 8, !tbaa !9
  %38 = icmp sge i64 %36, %37
  %39 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %38, ptr noundef @.str.272, ptr noundef %39)
  %40 = load i64, ptr %8, align 8, !tbaa !9
  %41 = load i8, ptr %9, align 1, !tbaa !11, !range !19, !noundef !20
  %42 = trunc i8 %41 to i1
  %43 = load ptr, ptr %11, align 8, !tbaa !5
  %44 = call noundef zeroext i1 @_ZN11alglib_impl17isfinitertrmatrixEPKNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef %13, i64 noundef %40, i1 noundef zeroext %42, ptr noundef %43)
  %45 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %44, ptr noundef @.str.273, ptr noundef %45)
  %46 = load ptr, ptr %10, align 8, !tbaa !5
  %47 = load i64, ptr %8, align 8, !tbaa !9
  %48 = load ptr, ptr %11, align 8, !tbaa !5
  %49 = call noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPKNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %46, i64 noundef %47, ptr noundef %48)
  %50 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %49, ptr noundef @.str.274, ptr noundef %50)
  store i8 1, ptr %15, align 1, !tbaa !11
  %51 = load i64, ptr %8, align 8, !tbaa !9
  %52 = load i8, ptr %9, align 1, !tbaa !11, !range !19, !noundef !20
  %53 = trunc i8 %52 to i1
  %54 = load ptr, ptr %11, align 8, !tbaa !5
  %55 = call noundef zeroext i1 @_ZN11alglib_impl17spdmatrixcholeskyEPNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef %13, i64 noundef %51, i1 noundef zeroext %53, ptr noundef %54)
  br i1 %55, label %75, label %56

56:                                               ; preds = %5
  store i64 0, ptr %14, align 8, !tbaa !9
  br label %57

57:                                               ; preds = %68, %56
  %58 = load i64, ptr %14, align 8, !tbaa !9
  %59 = load i64, ptr %8, align 8, !tbaa !9
  %60 = sub nsw i64 %59, 1
  %61 = icmp sle i64 %58, %60
  br i1 %61, label %62, label %71

62:                                               ; preds = %57
  %63 = load ptr, ptr %10, align 8, !tbaa !5
  %64 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %63, i32 0, i32 4
  %65 = load ptr, ptr %64, align 8, !tbaa !21
  %66 = load i64, ptr %14, align 8, !tbaa !9
  %67 = getelementptr inbounds double, ptr %65, i64 %66
  store double 0.000000e+00, ptr %67, align 8, !tbaa !22
  br label %68

68:                                               ; preds = %62
  %69 = load i64, ptr %14, align 8, !tbaa !9
  %70 = add nsw i64 %69, 1
  store i64 %70, ptr %14, align 8, !tbaa !9
  br label %57, !llvm.loop !24

71:                                               ; preds = %57
  store i8 0, ptr %15, align 1, !tbaa !11
  %72 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef %72)
  %73 = load i8, ptr %15, align 1, !tbaa !11, !range !19, !noundef !20
  %74 = trunc i8 %73 to i1
  store i1 %74, ptr %6, align 1
  store i32 1, ptr %16, align 4
  br label %84

75:                                               ; preds = %5
  %76 = load i64, ptr %8, align 8, !tbaa !9
  %77 = load i8, ptr %9, align 1, !tbaa !11, !range !19, !noundef !20
  %78 = trunc i8 %77 to i1
  %79 = load ptr, ptr %10, align 8, !tbaa !5
  %80 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_implL40directdensesolvers_spdbasiccholeskysolveEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef %13, i64 noundef %76, i1 noundef zeroext %78, ptr noundef %79, ptr noundef %80)
  %81 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef %81)
  %82 = load i8, ptr %15, align 1, !tbaa !11, !range !19, !noundef !20
  %83 = trunc i8 %82 to i1
  store i1 %83, ptr %6, align 1
  store i32 1, ptr %16, align 4
  br label %84

84:                                               ; preds = %75, %71
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 80, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #4
  %85 = load i1, ptr %6, align 1
  ret i1 %85
}

declare void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef, ptr noundef) #2

declare noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPKNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) #2

declare void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef) #2

declare void @_ZN11alglib_impl19ae_matrix_init_copyEPNS_9ae_matrixEPKS0_PNS_8ae_stateEb(ptr noundef, ptr noundef, ptr noundef, i1 noundef zeroext) #2

declare noundef zeroext i1 @_ZN11alglib_impl17isfinitertrmatrixEPKNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef) #2

declare noundef zeroext i1 @_ZN11alglib_impl17spdmatrixcholeskyEPNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11alglib_implL40directdensesolvers_spdbasiccholeskysolveEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { "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 = { 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 #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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSN11alglib_impl9ae_matrixE", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !12, i64 32, !15, i64 40, !7, i64 72}
!15 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!16 = !{!14, !10, i64 8}
!17 = !{!18, !10, i64 0}
!18 = !{!"_ZTSN11alglib_impl9ae_vectorE", !10, i64 0, !10, i64 8, !12, i64 16, !15, i64 24, !7, i64 56}
!19 = !{i8 0, i8 2}
!20 = !{}
!21 = !{!7, !7, i64 0}
!22 = !{!23, !23, i64 0}
!23 = !{!"double", !7, i64 0}
!24 = distinct !{!24, !25}
!25 = !{!"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"

%"struct.alglib_impl::ae_frame" = type { %"struct.alglib_impl::ae_dyn_block" }
%"struct.alglib_impl::ae_dyn_block" = type { ptr, ptr, ptr, ptr }
%"struct.alglib_impl::ae_matrix" = type { i64, i64, i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.1 }
%union.anon.1 = type { ptr }

@.str.269 = external hidden unnamed_addr constant [25 x i8], align 1
@.str.270 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.271 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.272 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.273 = external hidden unnamed_addr constant [55 x i8], align 1
@.str.274 = external hidden unnamed_addr constant [55 x i8], align 1

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

declare void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN11alglib_impl18spdmatrixsolvefastEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef %0, i64 noundef %1, i1 noundef zeroext %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #3 {
  %6 = alloca %"struct.alglib_impl::ae_frame", align 8
  %7 = alloca %"struct.alglib_impl::ae_matrix", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %7) #4
  call void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef %4, ptr noundef nonnull %6)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(80) %7, i8 0, i64 80, i1 false)
  call void @_ZN11alglib_impl19ae_matrix_init_copyEPNS_9ae_matrixEPKS0_PNS_8ae_stateEb(ptr noundef nonnull %7, ptr noundef %0, ptr noundef %4, i1 noundef zeroext true)
  %8 = icmp sgt i64 %1, 0
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %8, ptr noundef nonnull @.str.269, ptr noundef %4)
  %9 = load i64, ptr %7, align 8, !tbaa !5
  %10 = icmp sge i64 %9, %1
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %10, ptr noundef nonnull @.str.270, ptr noundef %4)
  %11 = getelementptr inbounds i8, ptr %7, i64 8
  %12 = load i64, ptr %11, align 8, !tbaa !13
  %13 = icmp sge i64 %12, %1
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %13, ptr noundef nonnull @.str.271, ptr noundef %4)
  %14 = load i64, ptr %3, align 8, !tbaa !14
  %15 = icmp sge i64 %14, %1
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %15, ptr noundef nonnull @.str.272, ptr noundef %4)
  %16 = call noundef zeroext i1 @_ZN11alglib_impl17isfinitertrmatrixEPKNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef nonnull %7, i64 noundef %1, i1 noundef zeroext %2, ptr noundef %4)
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %16, ptr noundef nonnull @.str.273, ptr noundef %4)
  %17 = call noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPKNS_9ae_vectorElPNS_8ae_stateE(ptr noundef nonnull %3, i64 noundef %1, ptr noundef %4)
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %17, ptr noundef nonnull @.str.274, ptr noundef %4)
  %18 = call noundef zeroext i1 @_ZN11alglib_impl17spdmatrixcholeskyEPNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef nonnull %7, i64 noundef %1, i1 noundef zeroext %2, ptr noundef %4)
  br i1 %18, label %34, label %.preheader

.preheader:                                       ; preds = %5
  br i1 %8, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader
  %19 = getelementptr inbounds i8, ptr %3, i64 56
  %xtraiter = and i64 %1, 3
  %20 = icmp ult i64 %1, 4
  br i1 %20, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i64 %1, 9223372036854775804
  br label %21

21:                                               ; preds = %21, %.lr.ph.new
  %.038 = phi i64 [ 0, %.lr.ph.new ], [ %33, %21 ]
  %niter = phi i64 [ 0, %.lr.ph.new ], [ %niter.next.3, %21 ]
  %22 = load ptr, ptr %19, align 8, !tbaa !16
  %23 = getelementptr inbounds double, ptr %22, i64 %.038
  store double 0.000000e+00, ptr %23, align 8, !tbaa !17
  %24 = or disjoint i64 %.038, 1
  %25 = load ptr, ptr %19, align 8, !tbaa !16
  %26 = getelementptr inbounds double, ptr %25, i64 %24
  store double 0.000000e+00, ptr %26, align 8, !tbaa !17
  %27 = or disjoint i64 %.038, 2
  %28 = load ptr, ptr %19, align 8, !tbaa !16
  %29 = getelementptr inbounds double, ptr %28, i64 %27
  store double 0.000000e+00, ptr %29, align 8, !tbaa !17
  %30 = or disjoint i64 %.038, 3
  %31 = load ptr, ptr %19, align 8, !tbaa !16
  %32 = getelementptr inbounds double, ptr %31, i64 %30
  store double 0.000000e+00, ptr %32, align 8, !tbaa !17
  %33 = add nuw nsw i64 %.038, 4
  %niter.next.3 = add i64 %niter, 4
  %niter.ncmp.3 = icmp eq i64 %niter.next.3, %unroll_iter
  br i1 %niter.ncmp.3, label %._crit_edge.loopexit.unr-lcssa, label %21, !llvm.loop !19

34:                                               ; preds = %5
  call void @_ZN11alglib_implL40directdensesolvers_spdbasiccholeskysolveEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef nonnull %7, i64 noundef %1, i1 noundef zeroext %2, ptr noundef nonnull %3, ptr noundef %4)
  br label %._crit_edge

._crit_edge.loopexit.unr-lcssa:                   ; preds = %21, %.lr.ph
  %.038.unr = phi i64 [ 0, %.lr.ph ], [ %33, %21 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.epil.preheader

.epil.preheader:                                  ; preds = %._crit_edge.loopexit.unr-lcssa, %.epil.preheader
  %.038.epil = phi i64 [ %37, %.epil.preheader ], [ %.038.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %35 = load ptr, ptr %19, align 8, !tbaa !16
  %36 = getelementptr inbounds double, ptr %35, i64 %.038.epil
  store double 0.000000e+00, ptr %36, align 8, !tbaa !17
  %37 = add nuw nsw i64 %.038.epil, 1
  %epil.iter.next = add i64 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i64 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge, label %.epil.preheader, !llvm.loop !21

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.epil.preheader, %.preheader, %34
  call void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef %4)
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  ret i1 %18
}

declare void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef, ptr noundef) local_unnamed_addr #2

declare noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPKNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl19ae_matrix_init_copyEPNS_9ae_matrixEPKS0_PNS_8ae_stateEb(ptr noundef, ptr noundef, ptr noundef, i1 noundef zeroext) local_unnamed_addr #2

declare noundef zeroext i1 @_ZN11alglib_impl17isfinitertrmatrixEPKNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef) local_unnamed_addr #2

declare noundef zeroext i1 @_ZN11alglib_impl17spdmatrixcholeskyEPNS_9ae_matrixElbPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11alglib_implL40directdensesolvers_spdbasiccholeskysolveEPKNS_9ae_matrixElbPNS_9ae_vectorEPNS_8ae_stateE(ptr noundef, i64 noundef, i1 noundef zeroext, ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { "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 = { 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 #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 = !{!"_ZTSN11alglib_impl9ae_matrixE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !10, i64 32, !11, i64 40, !8, i64 72}
!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 = !{!6, !7, i64 8}
!14 = !{!15, !7, i64 0}
!15 = !{!"_ZTSN11alglib_impl9ae_vectorE", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24, !8, i64 56}
!16 = !{!8, !8, i64 0}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !8, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = distinct !{!21, !22}
!22 = !{!"llvm.loop.unroll.disable"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass