; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/negacyclic_polynomial.ll (ZN10polynomialIlE16random_log2boundEmm)

; 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.polynomial = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10polynomialIlE9set_coeffEll(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, i64 noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind noalias writable sret(%class.polynomial) align 8 %0, i64 noundef %1, i64 noundef %2) #1 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i1, align 1
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store i64 %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !5
  store i1 false, ptr %7, align 1
  %11 = load i64, ptr %5, align 8, !tbaa !5
  call void @_ZN10polynomialIlEC1Em(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %11)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store i64 0, ptr %8, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %23, %3
  %13 = load i64, ptr %8, align 8, !tbaa !5
  %14 = load i64, ptr %5, align 8, !tbaa !5
  %15 = icmp ult i64 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %30

17:                                               ; preds = %12
  %18 = load i64, ptr %8, align 8, !tbaa !5
  %19 = load i64, ptr %6, align 8, !tbaa !5
  %20 = invoke noundef i64 @_Z16uniform_i64_bitsm(i64 noundef %19)
          to label %21 unwind label %26

21:                                               ; preds = %17
  invoke void @_ZN10polynomialIlE9set_coeffEll(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %18, i64 noundef %20)
          to label %22 unwind label %26

22:                                               ; preds = %21
  br label %23

23:                                               ; preds = %22
  %24 = load i64, ptr %8, align 8, !tbaa !5
  %25 = add i64 %24, 1
  store i64 %25, ptr %8, align 8, !tbaa !5
  br label %12, !llvm.loop !9

26:                                               ; preds = %21, %17
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %9, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %34

30:                                               ; preds = %16
  store i1 true, ptr %7, align 1
  %31 = load i1, ptr %7, align 1
  br i1 %31, label %33, label %32

32:                                               ; preds = %30
  call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %33

33:                                               ; preds = %32, %30
  ret void

34:                                               ; preds = %26
  %35 = load ptr, ptr %9, align 8
  %36 = load i32, ptr %10, align 4
  %37 = insertvalue { ptr, i32 } poison, ptr %35, 0
  %38 = insertvalue { ptr, i32 } %37, i32 %36, 1
  resume { ptr, i32 } %38
}

declare noundef i64 @_Z16uniform_i64_bitsm(i64 noundef) #3

declare void @_ZN10polynomialIlEC1Em(ptr, i64)

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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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.polynomial = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 uwtable
declare dso_local void @_ZN10polynomialIlE9set_coeffEll(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10polynomialIlE16random_log2boundEmm(ptr dead_on_unwind noalias writable sret(%class.polynomial) align 8 %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN10polynomialIlEC1Em(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %1)
  %.not = icmp eq i64 %1, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %6
  %.08 = phi i64 [ %7, %6 ], [ 0, %3 ]
  %4 = invoke noundef i64 @_Z16uniform_i64_bitsm(i64 noundef %2)
          to label %5 unwind label %8

5:                                                ; preds = %.lr.ph
  invoke void @_ZN10polynomialIlE9set_coeffEll(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.08, i64 noundef %4)
          to label %6 unwind label %8

6:                                                ; preds = %5
  %7 = add nuw i64 %.08, 1
  %exitcond.not = icmp eq i64 %7, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

8:                                                ; preds = %5, %.lr.ph
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN10polynomialIlED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %9

._crit_edge:                                      ; preds = %6, %3
  ret void
}

declare noundef i64 @_Z16uniform_i64_bitsm(i64 noundef) local_unnamed_addr #2

declare void @_ZN10polynomialIlEC1Em(ptr, i64) local_unnamed_addr

attributes #0 = { 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 #1 = { 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 #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 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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