; LLVM IR from openssl/openssl :: crypto (mem_sec)

; 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"

@secure_mem_initialized = external hidden global i32, align 4
@sec_malloc_lock = external hidden global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @CRYPTO_secure_malloc_init(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i64 %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  %8 = load i32, ptr @secure_mem_initialized, align 4, !tbaa !9
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %24, label %10

10:                                               ; preds = %2
  %11 = call ptr @CRYPTO_THREAD_lock_new()
  store ptr %11, ptr @sec_malloc_lock, align 8, !tbaa !11
  %12 = load ptr, ptr @sec_malloc_lock, align 8, !tbaa !11
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %10
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %26

15:                                               ; preds = %10
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = call i32 @sh_init(i64 noundef %16, i64 noundef %17)
  store i32 %18, ptr %6, align 4, !tbaa !9
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %15
  store i32 1, ptr @secure_mem_initialized, align 4, !tbaa !9
  br label %23

21:                                               ; preds = %15
  %22 = load ptr, ptr @sec_malloc_lock, align 8, !tbaa !11
  call void @CRYPTO_THREAD_lock_free(ptr noundef %22)
  store ptr null, ptr @sec_malloc_lock, align 8, !tbaa !11
  br label %23

23:                                               ; preds = %21, %20
  br label %24

24:                                               ; preds = %23, %2
  %25 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %25, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %26

26:                                               ; preds = %24, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %27 = load i32, ptr %3, align 4
  ret i32 %27
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare ptr @CRYPTO_THREAD_lock_new() #2

; Function Attrs: nounwind uwtable
declare hidden i32 @sh_init(i64 noundef, i64 noundef) #0

declare void @CRYPTO_THREAD_lock_free(ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !6, i64 0}
!6 = !{!"long", !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, !12, i64 0}
!12 = !{!"any pointer", !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"

@secure_mem_initialized = external hidden local_unnamed_addr global i32, align 4
@sec_malloc_lock = external hidden local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local i32 @CRYPTO_secure_malloc_init(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = load i32, ptr @secure_mem_initialized, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %4, label %12

4:                                                ; preds = %2
  %5 = tail call ptr @CRYPTO_THREAD_lock_new() #2
  store ptr %5, ptr @sec_malloc_lock, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %12, label %7

7:                                                ; preds = %4
  %8 = tail call i32 @sh_init(i64 noundef %0, i64 noundef %1)
  %.not6 = icmp eq i32 %8, 0
  br i1 %.not6, label %10, label %9

9:                                                ; preds = %7
  store i32 1, ptr @secure_mem_initialized, align 4, !tbaa !5
  br label %12

10:                                               ; preds = %7
  %11 = load ptr, ptr @sec_malloc_lock, align 8, !tbaa !9
  tail call void @CRYPTO_THREAD_lock_free(ptr noundef %11) #2
  store ptr null, ptr @sec_malloc_lock, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %2, %10, %9, %4
  %.04 = phi i32 [ 0, %4 ], [ 0, %2 ], [ %8, %9 ], [ 0, %10 ]
  ret i32 %.04
}

declare ptr @CRYPTO_THREAD_lock_new() local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden i32 @sh_init(i64 noundef, i64 noundef) local_unnamed_addr #0

declare void @CRYPTO_THREAD_lock_free(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 = { "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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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