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

; 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._cpHashAttr = type { i32, i32, i32, i32, [2 x i64] }
%struct._cpHashCtx = type { i32, i32, i64, i64, ptr, ptr, [8 x i64], i32, [128 x i8] }

@cpHashAlgAttr = external constant [0 x %struct._cpHashAttr], align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @ippsHashGetTag(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
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  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
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp eq ptr null, %10
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  store i32 -8, ptr %4, align 4
  br label %47

13:                                               ; preds = %3
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = icmp eq ptr null, %14
  br i1 %15, label %16, label %17

16:                                               ; preds = %13
  store i32 -8, ptr %4, align 4
  br label %47

17:                                               ; preds = %13
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct._cpHashCtx, ptr %18, i32 0, i32 0
  %20 = load i32, ptr %19, align 8, !tbaa !11
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = call i64 @IPP_UINT_PTR(ptr noundef %21)
  %23 = trunc i64 %22 to i32
  %24 = xor i32 %20, %23
  %25 = icmp eq i32 %24, 1129136465
  br i1 %25, label %27, label %26

26:                                               ; preds = %17
  store i32 -13, ptr %4, align 4
  br label %47

27:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct._cpHashCtx, ptr %28, i32 0, i32 1
  %30 = load i32, ptr %29, align 4, !tbaa !14
  %31 = zext i32 %30 to i64
  %32 = getelementptr inbounds [0 x %struct._cpHashAttr], ptr @cpHashAlgAttr, i64 0, i64 %31
  %33 = getelementptr inbounds %struct._cpHashAttr, ptr %32, i32 0, i32 1
  %34 = load i32, ptr %33, align 4, !tbaa !15
  store i32 %34, ptr %8, align 4, !tbaa !9
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = icmp slt i32 %35, 1
  br i1 %36, label %41, label %37

37:                                               ; preds = %27
  %38 = load i32, ptr %8, align 4, !tbaa !9
  %39 = load i32, ptr %6, align 4, !tbaa !9
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %41, label %42

41:                                               ; preds = %37, %27
  store i32 -15, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %46

42:                                               ; preds = %37
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  call void @cpComputeDigest(ptr noundef %43, i32 noundef %44, ptr noundef %45)
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %46

46:                                               ; preds = %42, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %47

47:                                               ; preds = %46, %26, %16, %12
  %48 = load i32, ptr %4, align 4
  ret i32 %48
}

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

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

declare void @cpComputeDigest(ptr noundef, i32 noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_cpHashCtx", !10, i64 0, !10, i64 4, !13, i64 8, !13, i64 16, !6, i64 24, !6, i64 32, !7, i64 40, !10, i64 104, !7, i64 108}
!13 = !{!"long long", !7, i64 0}
!14 = !{!12, !10, i64 4}
!15 = !{!16, !10, i64 4}
!16 = !{!"_cpHashAttr", !10, i64 0, !10, i64 4, !10, i64 8, !10, i64 12, !7, i64 16}


; 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"

%struct._cpHashAttr = type { i32, i32, i32, i32, [2 x i64] }

@cpHashAlgAttr = external local_unnamed_addr constant [0 x %struct._cpHashAttr], align 8

; Function Attrs: nounwind uwtable
define dso_local range(i32 -15, 1) i32 @ippsHashGetTag(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 %22, 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, 1129136465
  br i1 %11, label %12, label %22

12:                                               ; preds = %6
  %13 = icmp slt i32 %1, 1
  br i1 %13, label %22, label %14

14:                                               ; preds = %12
  %15 = getelementptr inbounds i8, ptr %2, i64 4
  %16 = load i32, ptr %15, align 4, !tbaa !12
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds [0 x %struct._cpHashAttr], ptr @cpHashAlgAttr, i64 0, i64 %17, i32 1
  %19 = load i32, ptr %18, align 4, !tbaa !13
  %20 = icmp slt i32 %19, %1
  br i1 %20, label %22, label %21

21:                                               ; preds = %14
  tail call void @cpComputeDigest(ptr noundef nonnull %0, i32 noundef %1, ptr noundef nonnull %2) #3
  br label %22

22:                                               ; preds = %21, %14, %12, %6, %3
  %.1 = phi i32 [ -8, %3 ], [ -13, %6 ], [ 0, %21 ], [ -15, %14 ], [ -15, %12 ]
  ret i32 %.1
}

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

declare void @cpComputeDigest(ptr noundef, i32 noundef, ptr 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 = !{!"_cpHashCtx", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !11, i64 24, !11, i64 32, !8, i64 40, !7, i64 104, !8, i64 108}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long long", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!6, !7, i64 4}
!13 = !{!14, !7, i64 4}
!14 = !{!"_cpHashAttr", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !8, i64 16}


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