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

; 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_vector" = type { i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.0 }
%union.anon.0 = type { 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.554 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.555 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.556 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.557 = external hidden unnamed_addr constant [48 x i8], align 1
@.str.558 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.559 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.560 = external hidden unnamed_addr constant [54 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 void @_ZN11alglib_impl11lsfitlinearEPNS_9ae_vectorEPNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6, ptr noundef %7) #3 {
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca ptr, align 8
  %17 = alloca %"struct.alglib_impl::ae_frame", align 8
  %18 = alloca %"struct.alglib_impl::ae_vector", align 8
  %19 = alloca i64, align 8
  store ptr %0, ptr %9, align 8, !tbaa !5
  store ptr %1, ptr %10, align 8, !tbaa !5
  store i64 %2, ptr %11, align 8, !tbaa !9
  store i64 %3, ptr %12, align 8, !tbaa !9
  store ptr %4, ptr %13, align 8, !tbaa !5
  store ptr %5, ptr %14, align 8, !tbaa !5
  store ptr %6, ptr %15, align 8, !tbaa !5
  store ptr %7, ptr %16, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 64, ptr %18) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %20 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef %20, ptr noundef %17)
  call void @llvm.memset.p0.i64(ptr align 8 %18, i8 0, i64 64, i1 false)
  %21 = load ptr, ptr %13, align 8, !tbaa !5
  store i64 0, ptr %21, align 8, !tbaa !9
  %22 = load ptr, ptr %14, align 8, !tbaa !5
  call void @_ZN11alglib_impl15ae_vector_clearEPNS_9ae_vectorE(ptr noundef %22)
  %23 = load ptr, ptr %15, align 8, !tbaa !5
  call void @_ZN11alglib_impl18_lsfitreport_clearEPv(ptr noundef %23)
  %24 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl14ae_vector_initEPNS_9ae_vectorEllPNS_8ae_stateEb(ptr noundef %18, i64 noundef 0, i64 noundef 3, ptr noundef %24, i1 noundef zeroext true)
  %25 = load i64, ptr %11, align 8, !tbaa !9
  %26 = icmp sge i64 %25, 1
  %27 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %26, ptr noundef @.str.554, ptr noundef %27)
  %28 = load i64, ptr %12, align 8, !tbaa !9
  %29 = icmp sge i64 %28, 1
  %30 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %29, ptr noundef @.str.555, ptr noundef %30)
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  %32 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %31, i32 0, i32 0
  %33 = load i64, ptr %32, align 8, !tbaa !11
  %34 = load i64, ptr %11, align 8, !tbaa !9
  %35 = icmp sge i64 %33, %34
  %36 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %35, ptr noundef @.str.556, ptr noundef %36)
  %37 = load ptr, ptr %9, align 8, !tbaa !5
  %38 = load i64, ptr %11, align 8, !tbaa !9
  %39 = load ptr, ptr %16, align 8, !tbaa !5
  %40 = call noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %37, i64 noundef %38, ptr noundef %39)
  %41 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %40, ptr noundef @.str.557, ptr noundef %41)
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %42, i32 0, i32 0
  %44 = load i64, ptr %43, align 8, !tbaa !15
  %45 = load i64, ptr %11, align 8, !tbaa !9
  %46 = icmp sge i64 %44, %45
  %47 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %46, ptr noundef @.str.558, ptr noundef %47)
  %48 = load ptr, ptr %10, align 8, !tbaa !5
  %49 = getelementptr inbounds %"struct.alglib_impl::ae_matrix", ptr %48, i32 0, i32 1
  %50 = load i64, ptr %49, align 8, !tbaa !17
  %51 = load i64, ptr %12, align 8, !tbaa !9
  %52 = icmp sge i64 %50, %51
  %53 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %52, ptr noundef @.str.559, ptr noundef %53)
  %54 = load ptr, ptr %10, align 8, !tbaa !5
  %55 = load i64, ptr %11, align 8, !tbaa !9
  %56 = load i64, ptr %12, align 8, !tbaa !9
  %57 = load ptr, ptr %16, align 8, !tbaa !5
  %58 = call noundef zeroext i1 @_ZN11alglib_impl20apservisfinitematrixEPNS_9ae_matrixEllPNS_8ae_stateE(ptr noundef %54, i64 noundef %55, i64 noundef %56, ptr noundef %57)
  %59 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %58, ptr noundef @.str.560, ptr noundef %59)
  %60 = load i64, ptr %11, align 8, !tbaa !9
  %61 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef %18, i64 noundef %60, ptr noundef %61)
  store i64 0, ptr %19, align 8, !tbaa !9
  br label %62

62:                                               ; preds = %72, %8
  %63 = load i64, ptr %19, align 8, !tbaa !9
  %64 = load i64, ptr %11, align 8, !tbaa !9
  %65 = sub nsw i64 %64, 1
  %66 = icmp sle i64 %63, %65
  br i1 %66, label %67, label %75

67:                                               ; preds = %62
  %68 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %18, i32 0, i32 4
  %69 = load ptr, ptr %68, align 8, !tbaa !18
  %70 = load i64, ptr %19, align 8, !tbaa !9
  %71 = getelementptr inbounds double, ptr %69, i64 %70
  store double 1.000000e+00, ptr %71, align 8, !tbaa !19
  br label %72

72:                                               ; preds = %67
  %73 = load i64, ptr %19, align 8, !tbaa !9
  %74 = add nsw i64 %73, 1
  store i64 %74, ptr %19, align 8, !tbaa !9
  br label %62, !llvm.loop !21

75:                                               ; preds = %62
  %76 = load ptr, ptr %9, align 8, !tbaa !5
  %77 = load ptr, ptr %10, align 8, !tbaa !5
  %78 = load i64, ptr %11, align 8, !tbaa !9
  %79 = load i64, ptr %12, align 8, !tbaa !9
  %80 = load ptr, ptr %13, align 8, !tbaa !5
  %81 = load ptr, ptr %14, align 8, !tbaa !5
  %82 = load ptr, ptr %15, align 8, !tbaa !5
  %83 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_implL25lsfit_lsfitlinearinternalEPNS_9ae_vectorES1_PNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef %76, ptr noundef %18, ptr noundef %77, i64 noundef %78, i64 noundef %79, ptr noundef %80, ptr noundef %81, ptr noundef %82, ptr noundef %83)
  %84 = load ptr, ptr %16, align 8, !tbaa !5
  call void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef %84)
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  ret void
}

declare noundef zeroext i1 @_ZN11alglib_impl20apservisfinitematrixEPNS_9ae_matrixEllPNS_8ae_stateE(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #2

declare void @_ZN11alglib_impl15ae_vector_clearEPNS_9ae_vectorE(ptr noundef) #2

declare noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) #2

declare void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) #2

declare void @_ZN11alglib_impl14ae_vector_initEPNS_9ae_vectorEllPNS_8ae_stateEb(ptr noundef, i64 noundef, i64 noundef, ptr noundef, i1 noundef zeroext) #2

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

declare void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11alglib_impl18_lsfitreport_clearEPv(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11alglib_implL25lsfit_lsfitlinearinternalEPNS_9ae_vectorES1_PNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef, 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, !10, i64 0}
!12 = !{!"_ZTSN11alglib_impl9ae_vectorE", !10, i64 0, !10, i64 8, !13, i64 16, !14, i64 24, !7, i64 56}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!15 = !{!16, !10, i64 0}
!16 = !{!"_ZTSN11alglib_impl9ae_matrixE", !10, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !13, i64 32, !14, i64 40, !7, i64 72}
!17 = !{!16, !10, i64 8}
!18 = !{!7, !7, i64 0}
!19 = !{!20, !20, i64 0}
!20 = !{!"double", !7, i64 0}
!21 = distinct !{!21, !22}
!22 = !{!"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_vector" = type { i64, i64, i8, %"struct.alglib_impl::ae_dyn_block", %union.anon.0 }
%union.anon.0 = type { ptr }

@.str.554 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.555 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.556 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.557 = external hidden unnamed_addr constant [48 x i8], align 1
@.str.558 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.559 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.560 = external hidden unnamed_addr constant [54 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 void @_ZN11alglib_impl11lsfitlinearEPNS_9ae_vectorEPNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6, ptr noundef %7) local_unnamed_addr #3 {
  %9 = alloca %"struct.alglib_impl::ae_frame", align 8
  %10 = alloca %"struct.alglib_impl::ae_vector", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %10) #4
  call void @_ZN11alglib_impl13ae_frame_makeEPNS_8ae_stateEPNS_8ae_frameE(ptr noundef %7, ptr noundef nonnull %9)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(64) %10, i8 0, i64 64, i1 false)
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @_ZN11alglib_impl15ae_vector_clearEPNS_9ae_vectorE(ptr noundef %5)
  call void @_ZN11alglib_impl18_lsfitreport_clearEPv(ptr noundef %6)
  call void @_ZN11alglib_impl14ae_vector_initEPNS_9ae_vectorEllPNS_8ae_stateEb(ptr noundef nonnull %10, i64 noundef 0, i64 noundef 3, ptr noundef %7, i1 noundef zeroext true)
  %11 = icmp sgt i64 %2, 0
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %11, ptr noundef nonnull @.str.554, ptr noundef %7)
  %12 = icmp sgt i64 %3, 0
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %12, ptr noundef nonnull @.str.555, ptr noundef %7)
  %13 = load i64, ptr %0, align 8, !tbaa !9
  %14 = icmp sge i64 %13, %2
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %14, ptr noundef nonnull @.str.556, ptr noundef %7)
  %15 = call noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef nonnull %0, i64 noundef %2, ptr noundef %7)
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %15, ptr noundef nonnull @.str.557, ptr noundef %7)
  %16 = load i64, ptr %1, align 8, !tbaa !14
  %17 = icmp sge i64 %16, %2
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %17, ptr noundef nonnull @.str.558, ptr noundef %7)
  %18 = getelementptr inbounds i8, ptr %1, i64 8
  %19 = load i64, ptr %18, align 8, !tbaa !16
  %20 = icmp sge i64 %19, %3
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %20, ptr noundef nonnull @.str.559, ptr noundef %7)
  %21 = call noundef zeroext i1 @_ZN11alglib_impl20apservisfinitematrixEPNS_9ae_matrixEllPNS_8ae_stateE(ptr noundef nonnull %1, i64 noundef %2, i64 noundef %3, ptr noundef %7)
  call void @_ZN11alglib_impl9ae_assertEbPKcPNS_8ae_stateE(i1 noundef zeroext %21, ptr noundef nonnull @.str.560, ptr noundef %7)
  call void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef nonnull %10, i64 noundef %2, ptr noundef %7)
  br i1 %11, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %8
  %22 = getelementptr inbounds i8, ptr %10, i64 56
  %xtraiter = and i64 %2, 3
  %23 = icmp ult i64 %2, 4
  br i1 %23, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i64 %2, 9223372036854775804
  br label %24

24:                                               ; preds = %24, %.lr.ph.new
  %.042 = phi i64 [ 0, %.lr.ph.new ], [ %36, %24 ]
  %niter = phi i64 [ 0, %.lr.ph.new ], [ %niter.next.3, %24 ]
  %25 = load ptr, ptr %22, align 8, !tbaa !17
  %26 = getelementptr inbounds double, ptr %25, i64 %.042
  store double 1.000000e+00, ptr %26, align 8, !tbaa !18
  %27 = or disjoint i64 %.042, 1
  %28 = load ptr, ptr %22, align 8, !tbaa !17
  %29 = getelementptr inbounds double, ptr %28, i64 %27
  store double 1.000000e+00, ptr %29, align 8, !tbaa !18
  %30 = or disjoint i64 %.042, 2
  %31 = load ptr, ptr %22, align 8, !tbaa !17
  %32 = getelementptr inbounds double, ptr %31, i64 %30
  store double 1.000000e+00, ptr %32, align 8, !tbaa !18
  %33 = or disjoint i64 %.042, 3
  %34 = load ptr, ptr %22, align 8, !tbaa !17
  %35 = getelementptr inbounds double, ptr %34, i64 %33
  store double 1.000000e+00, ptr %35, align 8, !tbaa !18
  %36 = add nuw nsw i64 %.042, 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 %24, !llvm.loop !20

._crit_edge.loopexit.unr-lcssa:                   ; preds = %24, %.lr.ph
  %.042.unr = phi i64 [ 0, %.lr.ph ], [ %36, %24 ]
  %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
  %.042.epil = phi i64 [ %39, %.epil.preheader ], [ %.042.unr, %._crit_edge.loopexit.unr-lcssa ]
  %epil.iter = phi i64 [ %epil.iter.next, %.epil.preheader ], [ 0, %._crit_edge.loopexit.unr-lcssa ]
  %37 = load ptr, ptr %22, align 8, !tbaa !17
  %38 = getelementptr inbounds double, ptr %37, i64 %.042.epil
  store double 1.000000e+00, ptr %38, align 8, !tbaa !18
  %39 = add nuw nsw i64 %.042.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 !22

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %.epil.preheader, %8
  call void @_ZN11alglib_implL25lsfit_lsfitlinearinternalEPNS_9ae_vectorES1_PNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef nonnull %0, ptr noundef nonnull %10, ptr noundef nonnull %1, i64 noundef %2, i64 noundef %3, ptr noundef nonnull %4, ptr noundef %5, ptr noundef %6, ptr noundef %7)
  call void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef %7)
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  ret void
}

declare noundef zeroext i1 @_ZN11alglib_impl20apservisfinitematrixEPNS_9ae_matrixEllPNS_8ae_stateE(ptr noundef, i64 noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl15ae_vector_clearEPNS_9ae_vectorE(ptr noundef) local_unnamed_addr #2

declare noundef zeroext i1 @_ZN11alglib_impl14isfinitevectorEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl20ae_vector_set_lengthEPNS_9ae_vectorElPNS_8ae_stateE(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #2

declare void @_ZN11alglib_impl14ae_vector_initEPNS_9ae_vectorEllPNS_8ae_stateEb(ptr noundef, i64 noundef, i64 noundef, ptr noundef, i1 noundef zeroext) local_unnamed_addr #2

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

declare void @_ZN11alglib_impl14ae_frame_leaveEPNS_8ae_stateE(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11alglib_impl18_lsfitreport_clearEPv(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN11alglib_implL25lsfit_lsfitlinearinternalEPNS_9ae_vectorES1_PNS_9ae_matrixEllPlS1_PNS_11lsfitreportEPNS_8ae_stateE(ptr noundef, ptr noundef, ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef, 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, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTSN11alglib_impl9ae_vectorE", !6, i64 0, !6, i64 8, !11, i64 16, !12, i64 24, !7, i64 56}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"_ZTSN11alglib_impl12ae_dyn_blockE", !13, i64 0, !13, i64 8, !13, i64 16, !13, i64 24}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTSN11alglib_impl9ae_matrixE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !11, i64 32, !12, i64 40, !7, i64 72}
!16 = !{!15, !6, i64 8}
!17 = !{!7, !7, i64 0}
!18 = !{!19, !19, i64 0}
!19 = !{!"double", !7, i64 0}
!20 = distinct !{!20, !21}
!21 = !{!"llvm.loop.mustprogress"}
!22 = distinct !{!22, !23}
!23 = !{!"llvm.loop.unroll.disable"}


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