; LLVM IR from pmwkaa/monotone :: monotone/runtime/lib (encryption_mgr)

; 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.EncryptionIf = type { i32, ptr, ptr, ptr, ptr }
%struct.EncryptionMgr = type { %struct.Cache }
%struct.Cache = type { %struct.Spinlock, %struct.List, i32 }
%struct.Spinlock = type { i32 }
%struct.List = type { ptr, ptr }

@encryption_aes = external global %struct.EncryptionIf, align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @encryption_mgr_pop(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp eq i32 %8, 1
  br i1 %9, label %10, label %28

10:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.EncryptionMgr, ptr %11, i32 0, i32 0
  %13 = call ptr @cache_pop(ptr noundef %12)
  store ptr %13, ptr %6, align 8, !tbaa !5
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  %16 = xor i1 %15, true
  %17 = xor i1 %16, true
  %18 = zext i1 %17 to i32
  %19 = sext i32 %18 to i64
  %20 = call i64 @llvm.expect.i64(i64 %19, i64 1)
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %22, label %25

22:                                               ; preds = %10
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = call ptr @encryption_of(ptr noundef %23)
  store ptr %24, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %27

25:                                               ; preds = %10
  %26 = call ptr @encryption_create(ptr noundef @encryption_aes)
  store ptr %26, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %27

27:                                               ; preds = %25, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %29

28:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  br label %29

29:                                               ; preds = %28, %27
  %30 = load ptr, ptr %3, align 8
  ret ptr %30
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @cache_pop(ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #3

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @encryption_of(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @encryption_create(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #3 = { nocallback nofree nosync nounwind willreturn memory(none) }
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}


; 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.EncryptionIf = type { i32, ptr, ptr, ptr, ptr }

@encryption_aes = external global %struct.EncryptionIf, align 8

; Function Attrs: nounwind uwtable
define dso_local ptr @encryption_mgr_pop(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq i32 %1, 1
  br i1 %3, label %4, label %10

4:                                                ; preds = %2
  %5 = tail call ptr @cache_pop(ptr noundef %0)
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %8, label %6, !prof !5

6:                                                ; preds = %4
  %7 = tail call ptr @encryption_of(ptr noundef nonnull %5)
  br label %10

8:                                                ; preds = %4
  %9 = tail call ptr @encryption_create(ptr noundef nonnull @encryption_aes)
  br label %10

10:                                               ; preds = %2, %6, %8
  %.1 = phi ptr [ %7, %6 ], [ %9, %8 ], [ null, %2 ]
  ret ptr %.1
}

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

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

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

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" }

!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 = !{!"branch_weights", !"expected", i32 1, i32 2000}


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