; LLVM IR from intel/cryptography-primitives :: examples/utils/bignum.ll (ZN9BigNumberaSERKS_)

; 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.BigNumber = type { ptr, ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9BigNumber6createEPKji13IppsBigNumSGN(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i32 noundef, i32 noundef) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare i32 @ippsRef_BN(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN9BigNumberaSERKS_(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %8, %9
  br i1 %10, label %11, label %26

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = call noundef ptr @_ZNK9BigNumbercvP9_cpBigNumEv(ptr noundef nonnull align 8 dereferenceable(16) %12)
  %14 = call i32 @ippsRef_BN(ptr noundef %5, ptr noundef %6, ptr noundef %7, ptr noundef %13)
  %15 = getelementptr inbounds %class.BigNumber, ptr %8, i32 0, i32 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = icmp eq ptr %16, null
  br i1 %17, label %19, label %18

18:                                               ; preds = %11
  call void @_ZdaPv(ptr noundef %16) #6
  br label %19

19:                                               ; preds = %18, %11
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !11
  %22 = add nsw i32 %21, 31
  %23 = ashr i32 %22, 5
  %24 = load i32, ptr %5, align 4, !tbaa !13
  %25 = call noundef zeroext i1 @_ZN9BigNumber6createEPKji13IppsBigNumSGN(ptr noundef nonnull align 8 dereferenceable(16) %8, ptr noundef %20, i32 noundef %23, i32 noundef %24)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %26

26:                                               ; preds = %19, %2
  ret ptr %8
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9BigNumbercvP9_cpBigNumEv(ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

attributes #0 = { nobuiltin nounwind "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 = { 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { nounwind }
attributes #6 = { builtin 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 8}
!10 = !{!"_ZTS9BigNumber", !6, i64 8}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"_ZTS13IppsBigNumSGN", !7, i64 0}


; 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: nobuiltin nounwind
declare void @_ZdaPv(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9BigNumber6createEPKji13IppsBigNumSGN(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

declare i32 @ippsRef_BN(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZN9BigNumberaSERKS_(ptr noundef nonnull returned align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #1 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %.not = icmp eq ptr %0, %1
  br i1 %.not, label %20, label %6

6:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %7 = tail call noundef ptr @_ZNK9BigNumbercvP9_cpBigNumEv(ptr noundef nonnull align 8 dereferenceable(16) %1)
  %8 = call i32 @ippsRef_BN(ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef %7)
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = icmp eq ptr %10, null
  br i1 %11, label %13, label %12

12:                                               ; preds = %6
  call void @_ZdaPv(ptr noundef nonnull %10) #6
  br label %13

13:                                               ; preds = %12, %6
  %14 = load ptr, ptr %5, align 8, !tbaa !10
  %15 = load i32, ptr %4, align 4, !tbaa !11
  %16 = add nsw i32 %15, 31
  %17 = ashr i32 %16, 5
  %18 = load i32, ptr %3, align 4, !tbaa !13
  %19 = call noundef zeroext i1 @_ZN9BigNumber6createEPKji13IppsBigNumSGN(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %14, i32 noundef %17, i32 noundef %18)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  br label %20

20:                                               ; preds = %13, %2
  ret ptr %0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9BigNumbercvP9_cpBigNumEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

attributes #0 = { nobuiltin nounwind "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 = { 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #5 = { nounwind }
attributes #6 = { builtin 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 = !{!"_ZTS9BigNumber", !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"_ZTS13IppsBigNumSGN", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass