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

; 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::CoverageData" = type <{ ptr, %"struct.__sanitizer::atomic_uintptr_t", %"struct.__sanitizer::atomic_uintptr_t", i64, i32, [4 x i8], %"class.__sanitizer::InternalMmapVectorNoCtor", %"class.__sanitizer::InternalMmapVectorNoCtor.0", %"class.__sanitizer::InternalMmapVectorNoCtor.0", %"class.__sanitizer::InternalMmapVectorNoCtor.1", i64, ptr, %"struct.__sanitizer::atomic_uintptr_t", %"struct.__sanitizer::atomic_uintptr_t", ptr, i64, ptr, %"class.__sanitizer::StaticSpinMutex", [7 x i8] }>
%"class.__sanitizer::InternalMmapVectorNoCtor" = type { ptr, i64, i64 }
%"class.__sanitizer::InternalMmapVectorNoCtor.0" = type { ptr, i64, i64 }
%"class.__sanitizer::InternalMmapVectorNoCtor.1" = type { ptr, i64, i64 }
%"struct.__sanitizer::atomic_uintptr_t" = type { i64 }
%"class.__sanitizer::StaticSpinMutex" = type { %"struct.__sanitizer::atomic_uint8_t" }
%"struct.__sanitizer::atomic_uint8_t" = type { i8 }

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer12atomic_storeINS_16atomic_uintptr_tEEEvPVT_NS2_4TypeENS_12memory_orderE(ptr noundef, i64 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer12CoverageData20InitializeGuardArrayEPi(ptr noundef nonnull align 8 dereferenceable(193), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer12CoverageData18ReinitializeGuardsEv(ptr noundef nonnull align 8 dereferenceable(193) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  %5 = getelementptr inbounds %"class.__sanitizer::CoverageData", ptr %4, i32 0, i32 1
  call void @_ZN11__sanitizer12atomic_storeINS_16atomic_uintptr_tEEEvPVT_NS2_4TypeENS_12memory_orderE(ptr noundef %5, i64 noundef 0, i32 noundef 1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store i64 0, ptr %3, align 8, !tbaa !9
  br label %6

6:                                                ; preds = %17, %1
  %7 = load i64, ptr %3, align 8, !tbaa !9
  %8 = getelementptr inbounds %"class.__sanitizer::CoverageData", ptr %4, i32 0, i32 6
  %9 = call noundef i64 @_ZNK11__sanitizer24InternalMmapVectorNoCtorIPiE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8)
  %10 = icmp ult i64 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %20

12:                                               ; preds = %6
  %13 = getelementptr inbounds %"class.__sanitizer::CoverageData", ptr %4, i32 0, i32 6
  %14 = load i64, ptr %3, align 8, !tbaa !9
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN11__sanitizer24InternalMmapVectorNoCtorIPiEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %14)
  %16 = load ptr, ptr %15, align 8, !tbaa !5
  call void @_ZN11__sanitizer12CoverageData20InitializeGuardArrayEPi(ptr noundef nonnull align 8 dereferenceable(193) %4, ptr noundef %16)
  br label %17

17:                                               ; preds = %12
  %18 = load i64, ptr %3, align 8, !tbaa !9
  %19 = add i64 %18, 1
  store i64 %19, ptr %3, align 8, !tbaa !9
  br label %6, !llvm.loop !11

20:                                               ; preds = %11
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK11__sanitizer24InternalMmapVectorNoCtorIPiE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN11__sanitizer24InternalMmapVectorNoCtorIPiEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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 mustprogress nounwind uwtable
declare dso_local void @_ZN11__sanitizer12atomic_storeINS_16atomic_uintptr_tEEEvPVT_NS2_4TypeENS_12memory_orderE(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11__sanitizer12CoverageData20InitializeGuardArrayEPi(ptr noundef nonnull align 8 dereferenceable(193), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN11__sanitizer12CoverageData18ReinitializeGuardsEv(ptr noundef nonnull align 8 dereferenceable(193) %0) local_unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZN11__sanitizer12atomic_storeINS_16atomic_uintptr_tEEEvPVT_NS2_4TypeENS_12memory_orderE(ptr noundef nonnull %2, i64 noundef 0, i32 noundef 1)
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  %4 = tail call noundef i64 @_ZNK11__sanitizer24InternalMmapVectorNoCtorIPiE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.03 = phi i64 [ %7, %.lr.ph ], [ 0, %1 ]
  %5 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZN11__sanitizer24InternalMmapVectorNoCtorIPiEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.03)
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  tail call void @_ZN11__sanitizer12CoverageData20InitializeGuardArrayEPi(ptr noundef nonnull align 8 dereferenceable(193) %0, ptr noundef %6)
  %7 = add nuw i64 %.03, 1
  %8 = tail call noundef i64 @_ZNK11__sanitizer24InternalMmapVectorNoCtorIPiE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3)
  %9 = icmp ult i64 %7, %8
  br i1 %9, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK11__sanitizer24InternalMmapVectorNoCtorIPiE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN11__sanitizer24InternalMmapVectorNoCtorIPiEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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