; LLVM IR from gbanegas/CryptoSith :: gf/GFieldPol.ll (ZN11galoisfield9GFieldPoldVERKNS_13GFieldElementE)

; 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.galoisfield::GFieldPol" = type { ptr, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<galoisfield::GFieldElement, std::allocator<galoisfield::GFieldElement>>::_Vector_impl" }
%"struct.std::_Vector_base<galoisfield::GFieldElement, std::allocator<galoisfield::GFieldElement>>::_Vector_impl" = type { %"struct.std::_Vector_base<galoisfield::GFieldElement, std::allocator<galoisfield::GFieldElement>>::_Vector_impl_data" }
%"struct.std::_Vector_base<galoisfield::GFieldElement, std::allocator<galoisfield::GFieldElement>>::_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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorIN11galoisfield13GFieldElementESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN11galoisfield13GFieldElementESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK11galoisfield13GFieldElement5fieldEv(ptr noundef nonnull align 8 dereferenceable(12)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZN11galoisfield9GFieldPoldVERKNS_13GFieldElementE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(12) %1) #3 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  %7 = getelementptr inbounds %"class.galoisfield::GFieldPol", ptr %6, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call noundef ptr @_ZNK11galoisfield13GFieldElement5fieldEv(ptr noundef nonnull align 8 dereferenceable(12) %9)
  %11 = icmp eq ptr %8, %10
  br i1 %11, label %12, label %31

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !15
  br label %13

13:                                               ; preds = %27, %12
  %14 = load i32, ptr %5, align 4, !tbaa !15
  %15 = zext i32 %14 to i64
  %16 = getelementptr inbounds %"class.galoisfield::GFieldPol", ptr %6, i32 0, i32 1
  %17 = call noundef i64 @_ZNKSt6vectorIN11galoisfield13GFieldElementESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #5
  %18 = icmp ult i64 %15, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %30

20:                                               ; preds = %13
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.galoisfield::GFieldPol", ptr %6, i32 0, i32 1
  %23 = load i32, ptr %5, align 4, !tbaa !15
  %24 = zext i32 %23 to i64
  %25 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorIN11galoisfield13GFieldElementESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %24) #5
  %26 = call noundef nonnull align 8 dereferenceable(12) ptr @_ZN11galoisfield13GFieldElementdVERKS0_(ptr noundef nonnull align 8 dereferenceable(12) %25, ptr noundef nonnull align 8 dereferenceable(12) %21)
  br label %27

27:                                               ; preds = %20
  %28 = load i32, ptr %5, align 4, !tbaa !15
  %29 = add i32 %28, 1
  store i32 %29, ptr %5, align 4, !tbaa !15
  br label %13, !llvm.loop !17

30:                                               ; preds = %19
  br label %31

31:                                               ; preds = %30, %2
  ret ptr %6
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZN11galoisfield13GFieldElementdVERKS0_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(12)) #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = { 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 #4 = { inlinehint 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 #5 = { 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, !6, i64 0}
!10 = !{!"_ZTSN11galoisfield9GFieldPolE", !6, i64 0, !11, i64 8}
!11 = !{!"_ZTSSt6vectorIN11galoisfield13GFieldElementESaIS1_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, 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"

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorIN11galoisfield13GFieldElementESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN11galoisfield13GFieldElementESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK11galoisfield13GFieldElement5fieldEv(ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZN11galoisfield9GFieldPoldVERKNS_13GFieldElementE(ptr noundef nonnull returned align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(12) %1) local_unnamed_addr #2 align 2 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = tail call noundef ptr @_ZNK11galoisfield13GFieldElement5fieldEv(ptr noundef nonnull align 8 dereferenceable(12) %1)
  %5 = icmp eq ptr %3, %4
  br i1 %5, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = tail call noundef i64 @_ZNKSt6vectorIN11galoisfield13GFieldElementESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  %.not = icmp eq i64 %7, 0
  br i1 %.not, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %8 = phi i64 [ %12, %.lr.ph ], [ 0, %.preheader ]
  %.06 = phi i32 [ %11, %.lr.ph ], [ 0, %.preheader ]
  %9 = tail call noundef nonnull align 8 dereferenceable(12) ptr @_ZNSt6vectorIN11galoisfield13GFieldElementESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %8) #4
  %10 = tail call noundef nonnull align 8 dereferenceable(12) ptr @_ZN11galoisfield13GFieldElementdVERKS0_(ptr noundef nonnull align 8 dereferenceable(12) %9, ptr noundef nonnull align 8 dereferenceable(12) %1)
  %11 = add i32 %.06, 1
  %12 = zext i32 %11 to i64
  %13 = tail call noundef i64 @_ZNKSt6vectorIN11galoisfield13GFieldElementESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  %14 = icmp ugt i64 %13, %12
  br i1 %14, label %.lr.ph, label %.loopexit, !llvm.loop !14

.loopexit:                                        ; preds = %.lr.ph, %.preheader, %2
  ret ptr %0
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(12) ptr @_ZN11galoisfield13GFieldElementdVERKS0_(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef nonnull align 8 dereferenceable(12)) local_unnamed_addr #3 align 2

attributes #0 = { 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 #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 = { 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 = { inlinehint 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 #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 0}
!6 = !{!"_ZTSN11galoisfield9GFieldPolE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIN11galoisfield13GFieldElementESaIS1_EE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIN11galoisfield13GFieldElementESaIS1_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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