; LLVM IR from Dimandragon/non-parametric-dsp :: 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 }

@.str.36 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.40 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.41 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.42 = external hidden unnamed_addr constant [7 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef, ...) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl13tracevectore3EPKNS_9ae_vectorEllPNS_8ae_stateE(ptr noundef %0, i64 noundef %1, i64 noundef %2, ptr noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  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) #3
  call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef @.str.36)
  %10 = load i64, ptr %6, align 8, !tbaa !9
  store i64 %10, ptr %9, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %29, %4
  %12 = load i64, ptr %9, align 8, !tbaa !9
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = sub nsw i64 %13, 1
  %15 = icmp sle i64 %12, %14
  br i1 %15, label %16, label %32

16:                                               ; preds = %11
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %"struct.alglib_impl::ae_vector", ptr %17, i32 0, i32 4
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = load i64, ptr %9, align 8, !tbaa !9
  %21 = getelementptr inbounds double, ptr %19, i64 %20
  %22 = load double, ptr %21, align 8, !tbaa !12
  call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef @.str.42, double noundef %22)
  %23 = load i64, ptr %9, align 8, !tbaa !9
  %24 = load i64, ptr %7, align 8, !tbaa !9
  %25 = sub nsw i64 %24, 1
  %26 = icmp slt i64 %23, %25
  br i1 %26, label %27, label %28

27:                                               ; preds = %16
  call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef @.str.40)
  br label %28

28:                                               ; preds = %27, %16
  br label %29

29:                                               ; preds = %28
  %30 = load i64, ptr %9, align 8, !tbaa !9
  %31 = add nsw i64 %30, 1
  store i64 %31, ptr %9, align 8, !tbaa !9
  br label %11, !llvm.loop !14

32:                                               ; preds = %11
  call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef @.str.41)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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}
!14 = distinct !{!14, !15}
!15 = !{!"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"

@.str.36 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.40 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.41 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.42 = external hidden unnamed_addr constant [7 x i8], align 1

declare void @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11alglib_impl13tracevectore3EPKNS_9ae_vectorEllPNS_8ae_stateE(ptr nocapture noundef readonly %0, i64 noundef %1, i64 noundef %2, ptr nocapture noundef readnone %3) local_unnamed_addr #1 {
  tail call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef nonnull @.str.36)
  %.not.not8 = icmp slt i64 %1, %2
  br i1 %.not.not8, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %4
  %5 = add nsw i64 %2, -1
  %6 = getelementptr inbounds i8, ptr %0, i64 56
  br label %7

7:                                                ; preds = %.lr.ph, %13
  %.09 = phi i64 [ %1, %.lr.ph ], [ %14, %13 ]
  %8 = load ptr, ptr %6, align 8, !tbaa !5
  %9 = getelementptr inbounds double, ptr %8, i64 %.09
  %10 = load double, ptr %9, align 8, !tbaa !8
  tail call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef nonnull @.str.42, double noundef %10)
  %11 = icmp slt i64 %.09, %5
  br i1 %11, label %12, label %13

12:                                               ; preds = %7
  tail call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef nonnull @.str.40)
  br label %13

13:                                               ; preds = %7, %12
  %14 = add i64 %.09, 1
  %exitcond.not = icmp eq i64 %14, %2
  br i1 %exitcond.not, label %._crit_edge, label %7, !llvm.loop !10

._crit_edge:                                      ; preds = %13, %4
  tail call void (ptr, ...) @_ZN11alglib_impl8ae_traceEPKcz(ptr noundef nonnull @.str.41)
  ret void
}

attributes #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 = { 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" }

!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}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass