; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/sanitizer_common (sanitizer_linux)

; 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"

%"class.__sanitizer::BlockingMutex" = type { [10 x i64], i64 }

@.str.2 = external hidden unnamed_addr constant [108 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [25 x i8], align 1

; 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: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #1

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer15atomic_exchangeINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef, i32 noundef, i32 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer13BlockingMutex6UnlockEv(ptr noundef nonnull align 8 dereferenceable(88) %0) #4 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %8 = getelementptr inbounds %"class.__sanitizer::BlockingMutex", ptr %7, i32 0, i32 0
  store ptr %8, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call noundef i32 @_ZN11__sanitizer15atomic_exchangeINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef %9, i32 noundef 0, i32 noundef 1)
  store i32 %10, ptr %4, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = zext i32 %12 to i64
  store i64 %13, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  store i64 0, ptr %6, align 8, !tbaa !11
  %14 = load i64, ptr %5, align 8, !tbaa !11
  %15 = load i64, ptr %6, align 8, !tbaa !11
  %16 = icmp ne i64 %14, %15
  %17 = xor i1 %16, true
  %18 = xor i1 %17, true
  %19 = xor i1 %18, true
  %20 = zext i1 %19 to i64
  %21 = call i64 @llvm.expect.i64(i64 %20, i64 0)
  %22 = icmp ne i64 %21, 0
  br i1 %22, label %23, label %26

23:                                               ; preds = %11
  %24 = load i64, ptr %5, align 8, !tbaa !11
  %25 = load i64, ptr %6, align 8, !tbaa !11
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str.2, i32 noundef 539, ptr noundef @.str.6, i64 noundef %24, i64 noundef %25) #7
  unreachable

26:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %27

27:                                               ; preds = %26
  br label %28

28:                                               ; preds = %27
  %29 = load i32, ptr %4, align 4, !tbaa !9
  %30 = icmp eq i32 %29, 2
  br i1 %30, label %31, label %35

31:                                               ; preds = %28
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = ptrtoint ptr %32 to i64
  %34 = call noundef i64 @_ZN11__sanitizerL16internal_syscallImiiiiiEEmyT_T0_T1_T2_T3_T4_(i64 noundef 202, i64 noundef %33, i32 noundef 1, i32 noundef 1, i32 noundef 0, i32 noundef 0, i32 noundef 0)
  br label %35

35:                                               ; preds = %31, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i64 @_ZN11__sanitizerL16internal_syscallImiiiiiEEmyT_T0_T1_T2_T3_T4_(i64 noundef, i64 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #5

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #2 = { noreturn "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 = { inlinehint mustprogress 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 #4 = { mustprogress 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 #5 = { mustprogress 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 }
attributes #7 = { noreturn }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@.str.2 = external hidden unnamed_addr constant [108 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [25 x i8], align 1

; Function Attrs: noreturn
declare void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef, i32 noundef, ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer15atomic_exchangeINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer13BlockingMutex6UnlockEv(ptr noundef nonnull align 8 dereferenceable(88) %0) local_unnamed_addr #2 align 2 {
  %2 = tail call noundef i32 @_ZN11__sanitizer15atomic_exchangeINS_15atomic_uint32_tEEENT_4TypeEPVS2_S3_NS_12memory_orderE(ptr noundef nonnull %0, i32 noundef 0, i32 noundef 1)
  switch i32 %2, label %7 [
    i32 0, label %3
    i32 2, label %4
  ], !prof !5

3:                                                ; preds = %1
  tail call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef nonnull @.str.2, i32 noundef 539, ptr noundef nonnull @.str.6, i64 noundef 0, i64 noundef 0) #4
  unreachable

4:                                                ; preds = %1
  %5 = ptrtoint ptr %0 to i64
  %6 = tail call noundef i64 @_ZN11__sanitizerL16internal_syscallImiiiiiEEmyT_T0_T1_T2_T3_T4_(i64 noundef 202, i64 noundef %5, i32 noundef 1, i32 noundef 1, i32 noundef 0, i32 noundef 0, i32 noundef 0)
  br label %7

7:                                                ; preds = %1, %4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i64 @_ZN11__sanitizerL16internal_syscallImiiiiiEEmyT_T0_T1_T2_T3_T4_(i64 noundef, i64 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

attributes #0 = { noreturn "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 mustprogress 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 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 = { mustprogress 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 #4 = { noreturn }

!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", i32 2000, i32 2, i32 2000}


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