; LLVM IR from intel/cryptography-primitives :: sources/ippcp (pcpbngetlen)

; 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"

%struct._cpBigNum = type { i32, i32, i32, i32, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local i32 @ippsGetSize_BN(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp eq ptr null, %6
  br i1 %7, label %8, label %9

8:                                                ; preds = %2
  store i32 -8, ptr %3, align 4
  br label %29

9:                                                ; preds = %2
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp eq ptr null, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %9
  store i32 -8, ptr %3, align 4
  br label %29

13:                                               ; preds = %9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct._cpBigNum, ptr %14, i32 0, i32 0
  %16 = load i32, ptr %15, align 8, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call i64 @IPP_UINT_PTR(ptr noundef %17)
  %19 = trunc i64 %18 to i32
  %20 = xor i32 %16, %19
  %21 = icmp eq i32 %20, 1112098638
  br i1 %21, label %23, label %22

22:                                               ; preds = %13
  store i32 -13, ptr %3, align 4
  br label %29

23:                                               ; preds = %13
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct._cpBigNum, ptr %24, i32 0, i32 3
  %26 = load i32, ptr %25, align 4, !tbaa !12
  %27 = mul nsw i32 %26, 2
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %27, ptr %28, align 4, !tbaa !13
  store i32 0, ptr %3, align 4
  br label %29

29:                                               ; preds = %23, %22, %12, %8
  %30 = load i32, ptr %3, align 4
  ret i32 %30
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @IPP_UINT_PTR(ptr noundef) #1

attributes #0 = { 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 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" }

!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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_cpBigNum", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 12}
!13 = !{!11, !11, 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: nounwind uwtable
define dso_local range(i32 -13, 1) i32 @ippsGetSize_BN(ptr noundef %0, ptr noundef writeonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  %4 = icmp eq ptr %1, null
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %15, label %5

5:                                                ; preds = %2
  %6 = load i32, ptr %0, align 8, !tbaa !5
  %7 = tail call i64 @IPP_UINT_PTR(ptr noundef nonnull %0)
  %8 = trunc i64 %7 to i32
  %9 = xor i32 %6, %8
  %10 = icmp eq i32 %9, 1112098638
  br i1 %10, label %11, label %15

11:                                               ; preds = %5
  %12 = getelementptr inbounds i8, ptr %0, i64 12
  %13 = load i32, ptr %12, align 4, !tbaa !11
  %14 = shl nsw i32 %13, 1
  store i32 %14, ptr %1, align 4, !tbaa !12
  br label %15

15:                                               ; preds = %5, %2, %11
  %.0 = phi i32 [ 0, %11 ], [ -8, %2 ], [ -13, %5 ]
  ret i32 %.0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @IPP_UINT_PTR(ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 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" }

!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 = !{!"_cpBigNum", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !10, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 12}
!12 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass