; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/fft64_layouts.ll (ZN24fft64_vec_znx_dft_layout11fill_randomEd)

; 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 }
%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
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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24fft64_vec_znx_dft_layout11fill_randomEd(ptr noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca double, align 8
  %5 = alloca i64, align 8
  %6 = alloca %class.reim_fft64vec, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store double %1, ptr %4, align 8, !tbaa !9
  %9 = 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 !11
  br label %10

10:                                               ; preds = %22, %2
  %11 = load i64, ptr %5, align 8, !tbaa !11
  %12 = getelementptr inbounds %struct.fft64_vec_znx_dft_layout, ptr %9, i32 0, i32 1
  %13 = load i64, ptr %12, align 8, !tbaa !13
  %14 = icmp ult i64 %11, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %29

16:                                               ; preds = %10
  %17 = load i64, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  %18 = getelementptr inbounds %struct.fft64_vec_znx_dft_layout, ptr %9, i32 0, i32 0
  %19 = load i64, ptr %18, align 8, !tbaa !16
  %20 = load double, ptr %4, align 8, !tbaa !9
  call void @_ZN13reim_fft64vec6randomEmd(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8 %6, i64 noundef %19, double noundef %20)
  invoke void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48) %9, i64 noundef %17, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %21 unwind label %25

21:                                               ; preds = %16
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  br label %22

22:                                               ; preds = %21
  %23 = load i64, ptr %5, align 8, !tbaa !11
  %24 = add i64 %23, 1
  store i64 %24, ptr %5, align 8, !tbaa !11
  br label %10, !llvm.loop !17

25:                                               ; preds = %16
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %7, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %8, align 4
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #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 %30

29:                                               ; preds = %15
  ret void

30:                                               ; preds = %25
  %31 = load ptr, ptr %7, align 8
  %32 = load i32, ptr %8, align 4
  %33 = insertvalue { ptr, i32 } poison, ptr %31, 0
  %34 = insertvalue { ptr, i32 } %33, i32 %32, 1
  resume { ptr, i32 } %34
}

declare void @_ZN13reim_fft64vec6randomEmd(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8, i64 noundef, double noundef) #3

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 = { 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 #3 = { "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 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !12, i64 8}
!14 = !{!"_ZTS24fft64_vec_znx_dft_layout", !12, i64 0, !12, i64 8, !6, i64 16, !15, i64 24}
!15 = !{!"_ZTS16reim_vector_view", !12, i64 0, !12, i64 8, !6, i64 16}
!16 = !{!14, !12, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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 }

; 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
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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN24fft64_vec_znx_dft_layout11fill_randomEd(ptr noundef nonnull align 8 dereferenceable(48) %0, double noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %class.reim_fft64vec, align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %5, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %7, %2
  ret void

.lr.ph:                                           ; preds = %2, %7
  %.06 = phi i64 [ %8, %7 ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %6 = load i64, ptr %0, align 8, !tbaa !12
  call void @_ZN13reim_fft64vec6randomEmd(ptr dead_on_unwind nonnull writable sret(%class.reim_fft64vec) align 8 %3, i64 noundef %6, double noundef %1)
  invoke void @_ZN24fft64_vec_znx_dft_layout3setEmRK13reim_fft64vec(ptr noundef nonnull align 8 dereferenceable(48) %0, i64 noundef %.06, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %7 unwind label %11

7:                                                ; preds = %.lr.ph
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  %8 = add nuw i64 %.06, 1
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = icmp ult i64 %8, %9
  br i1 %10, label %.lr.ph, label %._crit_edge, !llvm.loop !13

11:                                               ; preds = %.lr.ph
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN13reim_fft64vecD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  resume { ptr, i32 } %12
}

declare void @_ZN13reim_fft64vec6randomEmd(ptr dead_on_unwind writable sret(%class.reim_fft64vec) align 8, i64 noundef, double noundef) local_unnamed_addr #3

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 = { 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 #3 = { "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