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

; 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_Pack(ptr noundef %0, ptr noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp eq ptr null, %12
  br i1 %13, label %14, label %15

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

15:                                               ; preds = %3
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = icmp eq ptr null, %16
  br i1 %17, label %18, label %19

18:                                               ; preds = %15
  store i32 -8, ptr %4, align 4
  br label %47

19:                                               ; preds = %15
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._cpHMAC, ptr %20, i32 0, i32 0
  %22 = load i32, ptr %21, align 8, !tbaa !11
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = call i64 @IPP_INT_PTR(ptr noundef %23)
  %25 = trunc i64 %24 to i32
  %26 = xor i32 %22, %25
  %27 = icmp eq i32 %26, 1213022531
  br i1 %27, label %29, label %28

28:                                               ; preds = %19
  store i32 -13, ptr %4, align 4
  br label %47

29:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %30 = call i32 @ippsHMAC_GetSize(ptr noundef %8)
  %31 = load i32, ptr %8, align 4, !tbaa !9
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = icmp sgt i32 %31, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %29
  store i32 -4, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %46

35:                                               ; preds = %29
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  %38 = load i32, ptr %8, align 4, !tbaa !9
  call void @CopyBlock(ptr noundef %36, ptr noundef %37, i32 noundef %38)
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %39, ptr %10, align 8, !tbaa !5
  %40 = load ptr, ptr %10, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct._cpHMAC, ptr %40, i32 0, i32 0
  store i32 1213022531, ptr %41, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %42 = load ptr, ptr %10, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct._cpHMAC, ptr %42, i32 0, i32 3
  store ptr %43, ptr %11, align 8, !tbaa !5
  %44 = load ptr, ptr %11, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct._cpHashCtx, ptr %44, i32 0, i32 0
  store i32 1129136465, ptr %45, align 8, !tbaa !15
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %46

46:                                               ; preds = %35, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %47

47:                                               ; preds = %46, %28, %18, %14
  %48 = load i32, ptr %4, align 4
  ret i32 %48
}

; 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_GetSize(ptr noundef) #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @CopyBlock(ptr noundef, 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}
!15 = !{!13, !10, 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 @ippsHMAC_Pack(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = alloca i32, align 4
  %5 = icmp eq ptr %0, null
  %6 = icmp eq ptr %1, null
  %or.cond = or i1 %5, %6
  br i1 %or.cond, label %20, label %7

7:                                                ; preds = %3
  %8 = load i32, ptr %0, align 8, !tbaa !5
  %9 = tail call i64 @IPP_INT_PTR(ptr noundef nonnull %0)
  %10 = trunc i64 %9 to i32
  %11 = xor i32 %8, %10
  %12 = icmp eq i32 %11, 1213022531
  br i1 %12, label %13, label %20

13:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %14 = call i32 @ippsHMAC_GetSize(ptr noundef nonnull %4) #4
  %15 = load i32, ptr %4, align 4, !tbaa !13
  %16 = icmp sgt i32 %15, %2
  br i1 %16, label %19, label %17

17:                                               ; preds = %13
  call void @CopyBlock(ptr noundef nonnull %0, ptr noundef nonnull %1, i32 noundef %15)
  store i32 1213022531, ptr %1, align 8, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %1, i64 264
  store i32 1129136465, ptr %18, align 8, !tbaa !14
  br label %19

19:                                               ; preds = %13, %17
  %.0 = phi i32 [ 0, %17 ], [ -4, %13 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %20

20:                                               ; preds = %7, %3, %19
  %.1 = phi i32 [ %.0, %19 ], [ -8, %3 ], [ -13, %7 ]
  ret i32 %.1
}

; 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_GetSize(ptr noundef) local_unnamed_addr #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @CopyBlock(ptr noundef, 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}
!13 = !{!7, !7, i64 0}
!14 = !{!10, !7, i64 0}


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