; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/fft64_layouts.ll (ZN24fft64_vec_znx_dft_layout25fill_dft_random_log2boundEm)

; 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"

%class.reim_fft64vec = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.polynomial = type { %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%struct.fft64_vec_znx_dft_layout = type { i64, i64, ptr, %class.reim_vector_view }
%class.reim_vector_view = type { i64, i64, 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24fft64_vec_znx_dft_layout25fill_dft_random_log2boundEm(ptr noundef nonnull align 8 dereferenceable(48) %0, i64 noundef %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %class.reim_fft64vec, align 8
  %7 = alloca %class.polynomial, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  %10 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %24, %2
  %12 = load i64, ptr %5, align 8, !tbaa !9
  %13 = getelementptr inbounds %struct.fft64_vec_znx_dft_layout, ptr %10, i32 0, i32 1
  %14 = load i64, ptr %13, align 8, !tbaa !11
  %15 = icmp ult i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %36

17:                                               ; preds = %11
  %18 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #4
  %19 = getelementptr inbounds %struct.fft64_vec_znx_dft_layout, ptr %10, i32 0, i32 0
  %20 = load i64, ptr %19, align 8, !tbaa !14
  %21 = load i64, ptr %4, align 8, !tbaa !9
  call void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind writable sret(%class.polynomial) align 8 %7, i64 noundef %20, i64 noundef %21)
  invoke void @_Z12simple_fft64RK10polynomialIlE(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %22 unwind label %27

22:                                               ; preds = %17
  invoke void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48) %10, i64 noundef %18, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %23 unwind label %31

23:                                               ; preds = %22
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  br label %24

24:                                               ; preds = %23
  %25 = load i64, ptr %5, align 8, !tbaa !9
  %26 = add i64 %25, 1
  store i64 %26, ptr %5, align 8, !tbaa !9
  br label %11, !llvm.loop !15

27:                                               ; preds = %17
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %8, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %9, align 4
  br label %35

31:                                               ; preds = %22
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %8, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %9, align 4
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  br label %35

35:                                               ; preds = %31, %27
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %37

36:                                               ; preds = %16
  ret void

37:                                               ; preds = %35
  %38 = load ptr, ptr %8, align 8
  %39 = load i32, ptr %9, align 4
  %40 = insertvalue { ptr, i32 } poison, ptr %38, 0
  %41 = insertvalue { ptr, i32 } %40, i32 %39, 1
  resume { ptr, i32 } %41
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

declare void @_Z12simple_fft64RK10polynomialIlE(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8, ptr noundef nonnull align 8 dereferenceable(24)) #2

declare void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind writable sret(%class.polynomial) align 8, i64 noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = { inlinehint 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 #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 8}
!12 = !{!"_ZTS24fft64_vec_znx_dft_layout", !10, i64 0, !10, i64 8, !6, i64 16, !13, i64 24}
!13 = !{!"_ZTS16reim_vector_view", !10, i64 0, !10, i64 8, !6, i64 16}
!14 = !{!12, !10, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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"

%class.reim_fft64vec = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.polynomial = type { %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24fft64_vec_znx_dft_layout25fill_dft_random_log2boundEm(ptr noundef nonnull align 8 dereferenceable(48) %0, i64 noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %class.reim_fft64vec, align 8
  %4 = alloca %class.polynomial, align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %9, %2
  ret void

.lr.ph:                                           ; preds = %2, %9
  %.079 = phi i64 [ %10, %9 ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  %7 = load i64, ptr %0, align 8, !tbaa !12
  call void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind nonnull writable sret(%class.polynomial) align 8 %4, i64 noundef %7, i64 noundef %1)
  invoke void @_Z12simple_fft64RK10polynomialIlE(ptr dead_on_unwind nonnull writable sret(%class.reim_fft64vec) align 8 %3, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %8 unwind label %13

8:                                                ; preds = %.lr.ph
  invoke void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48) %0, i64 noundef %.079, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %9 unwind label %15

9:                                                ; preds = %8
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  %10 = add nuw i64 %.079, 1
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = icmp ult i64 %10, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !13

13:                                               ; preds = %.lr.ph
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %17

15:                                               ; preds = %8
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %17

17:                                               ; preds = %15, %13
  %.pn = phi { ptr, i32 } [ %16, %15 ], [ %14, %13 ]
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

declare void @_Z12simple_fft64RK10polynomialIlE(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2

declare void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind writable sret(%class.polynomial) align 8, i64 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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" }
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 = { inlinehint 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 #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 8}
!6 = !{!"_ZTS24fft64_vec_znx_dft_layout", !7, i64 0, !7, i64 8, !10, i64 16, !11, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS16reim_vector_view", !7, i64 0, !7, i64 8, !10, i64 16}
!12 = !{!6, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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