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

; 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 @ippsGetOctString_BN(ptr noundef %0, i32 noundef %1, ptr noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp eq ptr null, %8
  br i1 %9, label %10, label %11

10:                                               ; preds = %3
  store i32 -8, ptr %4, align 4
  br label %48

11:                                               ; preds = %3
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = icmp eq ptr null, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  store i32 -8, ptr %4, align 4
  br label %48

15:                                               ; preds = %11
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct._cpBigNum, ptr %16, i32 0, i32 0
  %18 = load i32, ptr %17, align 8, !tbaa !11
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = call i64 @IPP_UINT_PTR(ptr noundef %19)
  %21 = trunc i64 %20 to i32
  %22 = xor i32 %18, %21
  %23 = icmp eq i32 %22, 1112098638
  br i1 %23, label %25, label %24

24:                                               ; preds = %15
  store i32 -13, ptr %4, align 4
  br label %48

25:                                               ; preds = %15
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct._cpBigNum, ptr %26, i32 0, i32 1
  %28 = load i32, ptr %27, align 4, !tbaa !13
  %29 = icmp eq i32 %28, 0
  br i1 %29, label %30, label %31

30:                                               ; preds = %25
  store i32 -7, ptr %4, align 4
  br label %48

31:                                               ; preds = %25
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = icmp sgt i32 0, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %31
  store i32 -15, ptr %4, align 4
  br label %48

35:                                               ; preds = %31
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load i32, ptr %6, align 4, !tbaa !9
  %38 = load ptr, ptr %7, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct._cpBigNum, ptr %38, i32 0, i32 4
  %40 = load ptr, ptr %39, align 8, !tbaa !14
  %41 = load ptr, ptr %7, align 8, !tbaa !5
  %42 = getelementptr inbounds %struct._cpBigNum, ptr %41, i32 0, i32 2
  %43 = load i32, ptr %42, align 8, !tbaa !15
  %44 = call i32 @cpToOctStr_BNU(ptr noundef %36, i32 noundef %37, ptr noundef %40, i32 noundef %43)
  %45 = icmp ne i32 %44, 0
  %46 = zext i1 %45 to i64
  %47 = select i1 %45, i32 0, i32 -15
  store i32 %47, ptr %4, align 4
  br label %48

48:                                               ; preds = %35, %34, %30, %24, %14, %10
  %49 = load i32, ptr %4, align 4
  ret i32 %49
}

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

declare i32 @cpToOctStr_BNU(ptr noundef, i32 noundef, ptr noundef, i32 noundef) #2

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" }
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" }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_cpBigNum", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !6, i64 16, !6, i64 24}
!13 = !{!12, !10, i64 4}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !10, i64 8}


; 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 -15, 1) i32 @ippsGetOctString_BN(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = icmp eq ptr %0, null
  %5 = icmp eq ptr %2, null
  %or.cond = or i1 %4, %5
  br i1 %or.cond, label %25, label %6

6:                                                ; preds = %3
  %7 = load i32, ptr %2, align 8, !tbaa !5
  %8 = tail call i64 @IPP_UINT_PTR(ptr noundef nonnull %2)
  %9 = trunc i64 %8 to i32
  %10 = xor i32 %7, %9
  %11 = icmp eq i32 %10, 1112098638
  br i1 %11, label %12, label %25

12:                                               ; preds = %6
  %13 = getelementptr inbounds i8, ptr %2, i64 4
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %25, label %16

16:                                               ; preds = %12
  %17 = icmp slt i32 %1, 0
  br i1 %17, label %25, label %18

18:                                               ; preds = %16
  %19 = getelementptr inbounds i8, ptr %2, i64 16
  %20 = load ptr, ptr %19, align 8, !tbaa !12
  %21 = getelementptr inbounds i8, ptr %2, i64 8
  %22 = load i32, ptr %21, align 8, !tbaa !13
  %23 = tail call i32 @cpToOctStr_BNU(ptr noundef nonnull %0, i32 noundef %1, ptr noundef %20, i32 noundef %22) #3
  %.not = icmp eq i32 %23, 0
  %24 = select i1 %.not, i32 -15, i32 0
  br label %25

25:                                               ; preds = %16, %12, %6, %3, %18
  %.0 = phi i32 [ %24, %18 ], [ -8, %3 ], [ -13, %6 ], [ -7, %12 ], [ -15, %16 ]
  ret i32 %.0
}

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

declare i32 @cpToOctStr_BNU(ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

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" }
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 = !{!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 4}
!12 = !{!6, !10, i64 16}
!13 = !{!6, !7, i64 8}


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