; LLVM IR from openssl/openssl :: providers/implementations/digests (blake2b_prov)

; 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.blake2b_ctx_st = type { [8 x i64], [2 x i64], [2 x i64], [128 x i8], i64, i64 }

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @store64(ptr noundef, i64 noundef) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare void @OPENSSL_cleanse(ptr noundef, i64 noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nounwind uwtable
declare hidden void @blake2b_compress(ptr noundef, ptr noundef, i64 noundef) #5

; Function Attrs: nounwind uwtable
define dso_local i32 @ossl_blake2b_final(ptr noundef %0, ptr noundef %1) #5 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [64 x i8], align 16
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %5) #6
  call void @llvm.memset.p0.i64(ptr align 16 %5, i8 0, i64 64, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %9 = getelementptr inbounds [64 x i8], ptr %5, i64 0, i64 0
  store ptr %9, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %10, i32 0, i32 5
  %12 = load i64, ptr %11, align 8, !tbaa !9
  %13 = add i64 %12, 7
  %14 = udiv i64 %13, 8
  %15 = trunc i64 %14 to i32
  store i32 %15, ptr %7, align 4, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %16, i32 0, i32 5
  %18 = load i64, ptr %17, align 8, !tbaa !9
  %19 = urem i64 %18, 8
  %20 = icmp eq i64 %19, 0
  br i1 %20, label %21, label %23

21:                                               ; preds = %2
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %22, ptr %6, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %21, %2
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  call void @blake2b_set_lastblock(ptr noundef %24)
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %25, i32 0, i32 3
  %27 = getelementptr inbounds [128 x i8], ptr %26, i64 0, i64 0
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %28, i32 0, i32 4
  %30 = load i64, ptr %29, align 8, !tbaa !14
  %31 = getelementptr inbounds i8, ptr %27, i64 %30
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %32, i32 0, i32 4
  %34 = load i64, ptr %33, align 8, !tbaa !14
  %35 = sub i64 128, %34
  call void @llvm.memset.p0.i64(ptr align 1 %31, i8 0, i64 %35, i1 false)
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %37, i32 0, i32 3
  %39 = getelementptr inbounds [128 x i8], ptr %38, i64 0, i64 0
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %40, i32 0, i32 4
  %42 = load i64, ptr %41, align 8, !tbaa !14
  call void @blake2b_compress(ptr noundef %36, ptr noundef %39, i64 noundef %42)
  store i32 0, ptr %8, align 4, !tbaa !12
  br label %43

43:                                               ; preds = %59, %23
  %44 = load i32, ptr %8, align 4, !tbaa !12
  %45 = load i32, ptr %7, align 4, !tbaa !12
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %47, label %62

47:                                               ; preds = %43
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = load i32, ptr %8, align 4, !tbaa !12
  %50 = sext i32 %49 to i64
  %51 = mul i64 8, %50
  %52 = getelementptr inbounds i8, ptr %48, i64 %51
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %53, i32 0, i32 0
  %55 = load i32, ptr %8, align 4, !tbaa !12
  %56 = sext i32 %55 to i64
  %57 = getelementptr inbounds [8 x i64], ptr %54, i64 0, i64 %56
  %58 = load i64, ptr %57, align 8, !tbaa !15
  call void @store64(ptr noundef %52, i64 noundef %58)
  br label %59

59:                                               ; preds = %47
  %60 = load i32, ptr %8, align 4, !tbaa !12
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %8, align 4, !tbaa !12
  br label %43, !llvm.loop !16

62:                                               ; preds = %43
  %63 = load ptr, ptr %6, align 8, !tbaa !5
  %64 = load ptr, ptr %3, align 8, !tbaa !5
  %65 = icmp ne ptr %63, %64
  br i1 %65, label %66, label %73

66:                                               ; preds = %62
  %67 = load ptr, ptr %3, align 8, !tbaa !5
  %68 = load ptr, ptr %6, align 8, !tbaa !5
  %69 = load ptr, ptr %4, align 8, !tbaa !5
  %70 = getelementptr inbounds %struct.blake2b_ctx_st, ptr %69, i32 0, i32 5
  %71 = load i64, ptr %70, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %67, ptr align 1 %68, i64 %71, i1 false)
  %72 = load ptr, ptr %6, align 8, !tbaa !5
  call void @OPENSSL_cleanse(ptr noundef %72, i64 noundef 64)
  br label %73

73:                                               ; preds = %66, %62
  %74 = load ptr, ptr %4, align 8, !tbaa !5
  call void @OPENSSL_cleanse(ptr noundef %74, i64 noundef 240)
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %5) #6
  ret i32 1
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @blake2b_set_lastblock(ptr noundef) #0

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 #5 = { 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 #6 = { 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, !11, i64 232}
!10 = !{!"blake2b_ctx_st", !7, i64 0, !7, i64 64, !7, i64 80, !7, i64 96, !11, i64 224, !11, i64 232}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!10, !11, i64 224}
!15 = !{!11, !11, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; 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: inlinehint nounwind uwtable
declare hidden void @store64(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

declare void @OPENSSL_cleanse(ptr noundef, i64 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nounwind uwtable
declare hidden void @blake2b_compress(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #5

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @ossl_blake2b_final(ptr noundef %0, ptr noundef %1) local_unnamed_addr #5 {
  %3 = alloca [64 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #6
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %3, i8 0, i64 64, i1 false)
  %4 = getelementptr inbounds i8, ptr %1, i64 232
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %6 = add i64 %5, 7
  %7 = lshr i64 %6, 3
  %8 = trunc i64 %7 to i32
  %9 = and i64 %5, 7
  %10 = icmp eq i64 %9, 0
  %spec.select = select i1 %10, ptr %0, ptr %3
  tail call void @blake2b_set_lastblock(ptr noundef %1)
  %11 = getelementptr inbounds i8, ptr %1, i64 96
  %12 = getelementptr inbounds i8, ptr %1, i64 224
  %13 = load i64, ptr %12, align 8, !tbaa !10
  %14 = getelementptr inbounds i8, ptr %11, i64 %13
  %15 = sub i64 128, %13
  tail call void @llvm.memset.p0.i64(ptr nonnull align 1 %14, i8 0, i64 %15, i1 false)
  %16 = load i64, ptr %12, align 8, !tbaa !10
  tail call void @blake2b_compress(ptr noundef %1, ptr noundef nonnull %11, i64 noundef %16)
  %17 = icmp sgt i32 %8, 0
  br i1 %17, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = and i64 %7, 2147483647
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %18 = shl nuw nsw i64 %indvars.iv, 3
  %19 = getelementptr inbounds i8, ptr %spec.select, i64 %18
  %20 = getelementptr inbounds [8 x i64], ptr %1, i64 0, i64 %indvars.iv
  %21 = load i64, ptr %20, align 8, !tbaa !11
  call void @store64(ptr noundef %19, i64 noundef %21)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %2
  %.not = icmp eq ptr %spec.select, %0
  br i1 %.not, label %24, label %22

22:                                               ; preds = %._crit_edge
  %23 = load i64, ptr %4, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %0, ptr align 1 %spec.select, i64 %23, i1 false)
  call void @OPENSSL_cleanse(ptr noundef %spec.select, i64 noundef 64) #6
  br label %24

24:                                               ; preds = %22, %._crit_edge
  call void @OPENSSL_cleanse(ptr noundef nonnull %1, i64 noundef 240) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #6
  ret i32 1
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @blake2b_set_lastblock(ptr noundef) local_unnamed_addr #0

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { "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 #5 = { 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 #6 = { 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, !9, i64 232}
!6 = !{!"blake2b_ctx_st", !7, i64 0, !7, i64 64, !7, i64 80, !7, i64 96, !9, i64 224, !9, i64 232}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"long", !7, i64 0}
!10 = !{!6, !9, i64 224}
!11 = !{!9, !9, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass