; LLVM IR from tfhe/spqlios-arithmetic :: test/testlib/negacyclic_polynomial.ll (Z17random_polynomialIdE10polynomialIT_Em)

; 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.0 = type { %"class.std::vector.1" }
%"class.std::vector.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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: mustprogress uwtable
define dso_local void @_Z17random_polynomialIdE10polynomialIT_Em(ptr dead_on_unwind noalias writable sret(%class.polynomial.0) align 8 %0, i64 noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i1, align 1
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store i64 %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  %9 = load i64, ptr %4, align 8, !tbaa !5
  call void @_ZN10polynomialIdEC1Em(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %9)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  store i64 0, ptr %6, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %20, %2
  %11 = load i64, ptr %6, align 8, !tbaa !5
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %13 = icmp ult i64 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %27

15:                                               ; preds = %10
  %16 = load i64, ptr %6, align 8, !tbaa !5
  %17 = invoke noundef double @_Z19random_f64_gaussiand(double noundef 1.000000e+00)
          to label %18 unwind label %23

18:                                               ; preds = %15
  invoke void @_ZN10polynomialIdE9set_coeffEld(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %16, double noundef %17)
          to label %19 unwind label %23

19:                                               ; preds = %18
  br label %20

20:                                               ; preds = %19
  %21 = load i64, ptr %6, align 8, !tbaa !5
  %22 = add i64 %21, 1
  store i64 %22, ptr %6, align 8, !tbaa !5
  br label %10, !llvm.loop !9

23:                                               ; preds = %18, %15
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %7, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @_ZN10polynomialIdED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %31

27:                                               ; preds = %14
  store i1 true, ptr %5, align 1
  %28 = load i1, ptr %5, align 1
  br i1 %28, label %30, label %29

29:                                               ; preds = %27
  call void @_ZN10polynomialIdED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %30

30:                                               ; preds = %29, %27
  ret void

31:                                               ; preds = %23
  %32 = load ptr, ptr %7, align 8
  %33 = load i32, ptr %8, align 4
  %34 = insertvalue { ptr, i32 } poison, ptr %32, 0
  %35 = insertvalue { ptr, i32 } %34, i32 %33, 1
  resume { ptr, i32 } %35
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10polynomialIdE9set_coeffEld(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, double noundef) #1 align 2

declare noundef double @_Z19random_f64_gaussiand(double noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10polynomialIdED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare void @_ZN10polynomialIdEC1Em(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 = { "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 = !{!"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.0 = type { %"class.std::vector.1" }
%"class.std::vector.1" = type { %"struct.std::_Vector_base.2" }
%"struct.std::_Vector_base.2" = 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 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17random_polynomialIdE10polynomialIT_Em(ptr dead_on_unwind noalias writable sret(%class.polynomial.0) align 8 %0, i64 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN10polynomialIdEC1Em(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 = %2, %5
  %.07 = phi i64 [ %6, %5 ], [ 0, %2 ]
  %3 = invoke noundef double @_Z19random_f64_gaussiand(double noundef 1.000000e+00)
          to label %4 unwind label %7

4:                                                ; preds = %.lr.ph
  invoke void @_ZN10polynomialIdE9set_coeffEld(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.07, double noundef %3)
          to label %5 unwind label %7

5:                                                ; preds = %4
  %6 = add nuw i64 %.07, 1
  %exitcond.not = icmp eq i64 %6, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

7:                                                ; preds = %4, %.lr.ph
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN10polynomialIdED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %8

._crit_edge:                                      ; preds = %5, %2
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10polynomialIdE9set_coeffEld(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, double noundef) local_unnamed_addr #0 align 2

declare noundef double @_Z19random_f64_gaussiand(double noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN10polynomialIdED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare void @_ZN10polynomialIdEC1Em(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 = { "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 = { 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