; 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.7 = external hidden unnamed_addr constant [60 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: mustprogress uwtable
define dso_local void @_ZN11__sanitizer13BlockingMutex11CheckLockedEv(ptr noundef nonnull align 8 dereferenceable(88) %0) #3 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %7 = getelementptr inbounds %"class.__sanitizer::BlockingMutex", ptr %6, i32 0, i32 0
  store ptr %7, ptr %3, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  store i64 0, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = call noundef i32 @_ZN11__sanitizer11atomic_loadINS_15atomic_uint32_tEEENT_4TypeEPVKS2_NS_12memory_orderE(ptr noundef %9, i32 noundef 1)
  %11 = zext i32 %10 to i64
  store i64 %11, ptr %5, align 8, !tbaa !9
  %12 = load i64, ptr %4, align 8, !tbaa !9
  %13 = load i64, ptr %5, align 8, !tbaa !9
  %14 = icmp ne i64 %12, %13
  %15 = xor i1 %14, true
  %16 = xor i1 %15, true
  %17 = xor i1 %16, true
  %18 = zext i1 %17 to i64
  %19 = call i64 @llvm.expect.i64(i64 %18, i64 0)
  %20 = icmp ne i64 %19, 0
  br i1 %20, label %21, label %24

21:                                               ; preds = %8
  %22 = load i64, ptr %4, align 8, !tbaa !9
  %23 = load i64, ptr %5, align 8, !tbaa !9
  call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef @.str.2, i32 noundef 551, ptr noundef @.str.7, i64 noundef %22, i64 noundef %23) #6
  unreachable

24:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  br label %25

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer11atomic_loadINS_15atomic_uint32_tEEENT_4TypeEPVKS2_NS_12memory_orderE(ptr noundef, i32 noundef) #4

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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { 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 = !{!"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.7 = external hidden unnamed_addr constant [60 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: mustprogress uwtable
define dso_local void @_ZN11__sanitizer13BlockingMutex11CheckLockedEv(ptr noundef nonnull align 8 dereferenceable(88) %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef i32 @_ZN11__sanitizer11atomic_loadINS_15atomic_uint32_tEEENT_4TypeEPVKS2_NS_12memory_orderE(ptr noundef nonnull %0, i32 noundef 1)
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %3, label %4, !prof !5

3:                                                ; preds = %1
  tail call void @_ZN11__sanitizer11CheckFailedEPKciS1_yy(ptr noundef nonnull @.str.2, i32 noundef 551, ptr noundef nonnull @.str.7, i64 noundef 0, i64 noundef 0) #3
  unreachable

4:                                                ; preds = %1
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN11__sanitizer11atomic_loadINS_15atomic_uint32_tEEENT_4TypeEPVKS2_NS_12memory_orderE(ptr noundef, i32 noundef) local_unnamed_addr #2

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 = { 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 #2 = { 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 #3 = { 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", !"expected", i32 1, i32 2000}


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