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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @ippsHMAC_GetTag(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 %struct._cpHMAC, 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
  %10 = load ptr, ptr %7, 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 %34

13:                                               ; preds = %3
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct._cpHMAC, ptr %14, i32 0, i32 0
  %16 = load i32, ptr %15, align 8, !tbaa !11
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = call i64 @IPP_INT_PTR(ptr noundef %17)
  %19 = trunc i64 %18 to i32
  %20 = xor i32 %16, %19
  %21 = icmp eq i32 %20, 1213022531
  br i1 %21, label %23, label %22

22:                                               ; preds = %13
  store i32 -13, ptr %4, align 4
  br label %34

23:                                               ; preds = %13
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = icmp eq ptr null, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %23
  store i32 -8, ptr %4, align 4
  br label %34

27:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 504, ptr %9) #4
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = call i32 @ippsHMAC_Duplicate(ptr noundef %28, ptr noundef %9)
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = load i32, ptr %6, align 4, !tbaa !9
  %32 = call i32 @ippsHMAC_Final(ptr noundef %30, i32 noundef %31, ptr noundef %9)
  store i32 %32, ptr %8, align 4, !tbaa !9
  call void @PurgeBlock(ptr noundef %9, i32 noundef 504)
  %33 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %33, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 504, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %34

34:                                               ; preds = %27, %26, %22, %12
  %35 = load i32, ptr %4, align 4
  ret i32 %35
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @IPP_INT_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 i32 @ippsHMAC_Duplicate(ptr noundef, ptr noundef) #3

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @PurgeBlock(ptr noundef, i32 noundef) #1

; 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 = !{!"_cpHMAC", !10, i64 0, !7, i64 4, !7, i64 132, !13, i64 264}
!13 = !{!"_cpHashCtx", !10, i64 0, !10, i64 4, !14, i64 8, !14, i64 16, !6, i64 24, !6, i64 32, !7, i64 40, !10, i64 104, !7, i64 108}
!14 = !{!"long long", !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"

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

; Function Attrs: nounwind uwtable
define dso_local i32 @ippsHMAC_GetTag(ptr noundef %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = alloca %struct._cpHMAC, align 8
  %5 = icmp eq ptr %2, null
  br i1 %5, label %17, label %6

6:                                                ; preds = %3
  %7 = load i32, ptr %2, align 8, !tbaa !5
  %8 = tail call i64 @IPP_INT_PTR(ptr noundef nonnull %2)
  %9 = trunc i64 %8 to i32
  %10 = xor i32 %7, %9
  %11 = icmp eq i32 %10, 1213022531
  br i1 %11, label %12, label %17

12:                                               ; preds = %6
  %13 = icmp eq ptr %0, null
  br i1 %13, label %17, label %14

14:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 504, ptr nonnull %4) #4
  %15 = call i32 @ippsHMAC_Duplicate(ptr noundef nonnull %2, ptr noundef nonnull %4) #4
  %16 = call i32 @ippsHMAC_Final(ptr noundef nonnull %0, i32 noundef %1, ptr noundef nonnull %4) #4
  call void @PurgeBlock(ptr noundef nonnull %4, i32 noundef 504)
  call void @llvm.lifetime.end.p0(i64 504, ptr nonnull %4) #4
  br label %17

17:                                               ; preds = %12, %6, %3, %14
  %.0 = phi i32 [ %16, %14 ], [ -8, %3 ], [ -13, %6 ], [ -8, %12 ]
  ret i32 %.0
}

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

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

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

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @PurgeBlock(ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress 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 = { 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 = { 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 = !{!"_cpHMAC", !7, i64 0, !8, i64 4, !8, i64 132, !10, i64 264}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"_cpHashCtx", !7, i64 0, !7, i64 4, !11, i64 8, !11, i64 16, !12, i64 24, !12, i64 32, !8, i64 40, !7, i64 104, !8, i64 108}
!11 = !{!"long long", !8, i64 0}
!12 = !{!"any pointer", !8, i64 0}


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